Misplaced Pages

2005 Qeshm earthquake: Difference between revisions

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.
Browse history interactively← Previous editContent deleted Content addedVisualWikitext
Revision as of 20:43, 8 May 2021 editCitation bot (talk | contribs)Bots5,439,485 edits Add: authors 1-1. Removed parameters. Some additions/deletions were parameter name changes. | Use this bot. Report bugs. | Suggested by AManWithNoPlan | Linked from User:AManWithNoPlan/sandbox2 | #UCB_webform_linked 386/1142← Previous edit Latest revision as of 22:08, 28 October 2024 edit undoDawnseeker2000 (talk | contribs)Autopatrolled, Extended confirmed users, File movers, New page reviewers, Pending changes reviewers, Rollbackers485,820 editsm Typo fixing, minor formattingTag: AWB 
(22 intermediate revisions by 14 users not shown)
Line 17: Line 17:
| float=right | float=right
| caption=}} | caption=}}
|magnitude = 6.0 {{M|w|link=y}}<ref>{{Cite isc|EHB|8461669|access-date= 29 March 2018}}</ref> |magnitude = 6.0 {{M|w|link=y}}<ref>{{Cite isc|EHB|8461669|access-date=29 March 2018}}</ref>
|depth={{convert|10|km|mi|0|abbr=on}} |depth={{convert|10|km|mi|0|abbr=on}}
|type=] |type=]
|location={{coord|26.84|N|55.93|E|type:event|display=inline,title}}<ref name="N186"/> |location={{coord|26.84|N|55.93|E|type:event|display=inline,title}}<ref name="N186"/>
|countries affected = ], ] |countries affected = ], ]
|intensity=]<ref name=Berberian/> |intensity= {{MMI|VII}}<ref name=Berberian/>
|tsunami = No |tsunami = No
|casualties = 13 dead, 100 injured |casualties = 13 dead, 100 injured
}} }}


The '''2005 Qeshm earthquake''' occurred on November 27 at 13:52 ] (10:22 ]) on the sparsely populated ] off ], killing 13 people and devastating 13 villages. It was Iran's second major ] of 2005, following that at ] in February. The ] was about {{Convert|1500|km|mi|-1|sp=us}} south of ], close to Iran's southern borders. Initial measurements showed that the earthquake registered about 6.0 on the ], although that was reduced to 5.8 after further analysis. More than 400 minor ]s followed the main quake, 36 of which were greater than magnitude 2.5. The earthquake occurred in a remote area during the middle of the day, limiting the number of fatalities. Iranian relief efforts were effective and largely adequate, leading the country to decline offers of support from other nations and ]. An ] occurred on November 27, 2005, at 13:52 ] (10:22 ]) on the sparsely populated ] off ], killing 13 people and devastating 13 villages. It was Iran's second major earthquake of 2005, following the one at ] in February. The ] was about {{Convert|1500|km|mi|-1|sp=us}} south of ], close to Iran's southern borders. Initial measurements showed that the earthquake registered about 6.0 on the ], although that was reduced to 5.8 after further analysis. More than 400 minor ]s followed the main quake, 36 of which were greater than magnitude 2.5. The earthquake occurred in a remote area during the middle of the day, limiting the number of fatalities. Iranian relief efforts were effective and largely adequate, leading the country to decline offers of support from other nations and ].


Qeshm Island is part of the Simply Folded Belt, the most seismically active part of the ]. Similar to most earthquakes in the area, the 2005 event resulted from ]. Since it lies in such a seismically active area, there is a high risk of destructive earthquakes in Iran; 1 in 3,000 deaths are attributable to earthquakes. One geophysicist has cited the lack of strict building codes as a serious concern. Qeshm Island is part of the Simply Folded Belt, the most seismically active part of the ]. Similar to most earthquakes in the area, the 2005 event resulted from ]. Since it lies in such a seismically active area, there is a high risk of destructive earthquakes in Iran; 1 in 3,000 deaths are attributable to earthquakes. One geophysicist has cited the lack of strict building codes as a serious concern.


== Background == == Background ==
Iran experiences at least one minor earthquake per day on average,<ref name=ChinaD>{{cite news|url=http://www.chinadaily.com.cn/english/doc/2005-11/27/content_498301.htm|title=Earthquake jolts southern Iran, killing 5|work=]|publisher=China Daily Group|date=November 27, 2005|access-date=January 28, 2009}}</ref> and the Zagros region is particularly prone to seismic activity.<ref name="Talebian"/> During the last 100&nbsp;years, Iran has been hit by more than 130&nbsp;events stronger than magnitude&nbsp;5,<ref name="NGDC search">{{cite web|url=http://www.ngdc.noaa.gov/nndc/struts/results?bt_0=1912&st_0=2013&type_17=EXACT&query_17=None+Selected&op_12=eq&v_12=IRAN&type_12=Or&query_14=None+Selected&type_3=Like&query_3=&st_1=&bt_2=&st_2=&bt_1=&bt_4=5.1&st_4=&bt_5=&st_5=&bt_6=&st_6=&bt_7=&st_7=&bt_8=&st_8=&bt_9=&st_9=&bt_10=&st_10=&type_11=Exact&query_11=&type_16=Exact&query_16=&bt_18=&st_18=&ge_19=&le_19=&display_look=1&t=101650&s=1&submit_all=Search+Database|title=133 Significant Earthquakes where (Year <= 2013 and Year >= 1912) and Primary Magnitude >= 5.1 and Country = Iran|last=National Geophysical Data Center|author-link=National Geophysical Data Center|access-date=January 26, 2013}}</ref>{{refn|The strongest of these earthquakes occurred in ] in 1972 and ] in 1977, both measuring {{M|w|link=y}}&nbsp;6.7.<ref name="Nissen et al. 2010, pg 193"/>|group=nb}} with damaging earthquakes near Qeshm recorded in 1360, 1703, 1884, 1897, 1902, and 1905.<ref>Nissen ''et al.'' 2010, pg 184.</ref> The majority of Iranian quakes occur in the upper ], close to the surface,<ref>{{cite journal|title=Relocation and Assessment of Seismicity in the Iran Region|date=December 2005|bibcode=2005AGUFM.T51C1352E|first1=E.R.|last1=Engdahl|first2=E.A.|last2=Bergman|first3=S.C.|last3=Myers|first4=J.A.|last4=Jackson|first5=K.|last5=Priestley|volume=51|pages=T51C–1352|journal=AGU Fall Meeting Abstracts}}</ref> which means that they are potentially more destructive.<ref name="Reger">{{cite web|url=http://www.mgs.md.gov/esic/brochures/earthquake.html|title= Earthquakes and Maryland|author= Reger, J.P.|date=August 24, 2011|publisher=Maryland Geological Survey|access-date=January 3, 2013}}</ref> Iran experiences at least one minor earthquake per day on average,<ref name=ChinaD>{{cite news|url=http://www.chinadaily.com.cn/english/doc/2005-11/27/content_498301.htm|title=Earthquake jolts southern Iran, killing 5|work=]|date=November 27, 2005|access-date=January 28, 2009}}</ref> and the Zagros region is particularly prone to seismic activity.<ref name="Talebian"/> Since 1913, Iran has been hit by more than 160&nbsp;events stronger than magnitude&nbsp;5,<ref name="NGDC search">{{cite web|url=https://www.ngdc.noaa.gov/hazel/view/hazards/earthquake/event-data?minYear=1913&minEqMagnitude=5.1&country=IRAN|title=165 Significant Earthquakes where Year >= 1913 and Primary Magnitude >= 5.1 and Country = Iran|last=National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information.|year=1972|publisher=NOAA National Centers for Environmental Information|doi=10.7289/V5TD9V7K|access-date=March 22, 2024}}</ref>{{refn|The strongest of these earthquakes occurred in ] in 1972 and ] in 1977, both measuring {{M|w|link=y}}&nbsp;6.7.<ref name="Nissen et al. 2010, pg 193"/>|group=nb}} with damaging earthquakes near Qeshm recorded in 1360, 1703, 1884, 1897, 1902, and 1905.<ref>Nissen ''et al.'' 2010, pg 184.</ref> The majority of Iranian quakes occur in the upper ], close to the surface,<ref>{{cite journal|title=Relocation and Assessment of Seismicity in the Iran Region|date=December 2005|bibcode=2005AGUFM.T51C1352E|first1=E.R.|last1=Engdahl|first2=E.A.|last2=Bergman|first3=S.C.|last3=Myers|first4=J.A.|last4=Jackson|first5=K.|last5=Priestley|volume=51|pages=T51C–1352|journal=AGU Fall Meeting Abstracts}}</ref> which means that they are potentially more destructive.<ref name="Reger">{{cite web|url=http://www.mgs.md.gov/esic/brochures/earthquake.html|title=Earthquakes and Maryland|author=Reger, J.P.|date=August 24, 2011|publisher=Maryland Geological Survey|access-date=January 3, 2013|archive-date=October 26, 2013|archive-url=https://web.archive.org/web/20131026075134/http://www.mgs.md.gov/esic/brochures/earthquake.html|url-status=dead}}</ref>


In terms of ], Iran was named the "worst offender" in 2004 by Professor Roger Bilham of the ].<ref name=SciD>{{cite news|url=https://www.sciencedaily.com/releases/2004/12/041219182609.htm|title=Contractor Ignorance Kills Earthquake Victims In Sesmic (sic) Zones, Says U. Of Colorado Professor|publisher=ScienceDaily LLC|work=]|date=December 28, 2004|access-date=October 11, 2009}}</ref> Bilham, a ] who specializes in earthquake-related deformation and hazards, blames construction practices for many of the deaths in Iranian earthquakes. Since the start of the 20th century 1 in 3,000 Iranians have died in earthquake-related incidents.<ref name=SciD/> The United Nations' Common Country Assessment for Iran states that the greatest damage occurs in rural areas, for which no building code exists. Large cities have a building code that takes account of the seismic hazard, but it is not rigorously followed, despite the susceptibility of three quarters of Iranian major cities to damaging earthquakes.<ref name=UN>United Nations Common Country Assessment for the Islamic Republic of Iran (2003), pg 59.</ref> The risk posed by poor engineering is of significant concern to the populace and an impediment to economic development. The ], with at least 42,000&nbsp;fatalities, cost Iran roughly 7.2&nbsp;percent of its ] (GNP) for that year, and wiped out two years of economic growth.<ref name=UN/> In terms of ], Iran was named the "worst offender" in 2004 by Professor Roger Bilham of the ].<ref name=SciD>{{cite news|url=https://www.sciencedaily.com/releases/2004/12/041219182609.htm|title=Contractor Ignorance Kills Earthquake Victims in Sesmic (sic) Zones, Says U. Of Colorado Professor|work=]|date=December 28, 2004|access-date=October 11, 2009}}</ref> Bilham, a ] who specializes in earthquake-related deformation and hazards, blames construction practices for many of the deaths in Iranian earthquakes. Since the start of the 20th century 1 in 3,000 Iranians have died in earthquake-related incidents.<ref name=SciD/> The United Nations' Common Country Assessment for Iran states that the greatest damage occurs in rural areas, for which no building code exists. Large cities have a building code that takes account of the seismic hazard, but it is not rigorously followed, despite the susceptibility of three quarters of Iranian major cities to damaging earthquakes.<ref name=UN>United Nations Common Country Assessment for the Islamic Republic of Iran (2003), pg 59.</ref> The risk posed by poor engineering is of significant concern to the populace and an impediment to economic development. The ], with at least 42,000&nbsp;fatalities, cost Iran roughly 7.2&nbsp;percent of its ] (GNP) for that year, and wiped out two years of economic growth.<ref name=UN/>


== Geological setting == == Geological setting ==
] ]
Iran lies within the complex zone of ] between the ] and the ];<ref name="Talebian"/> near Qeshm the rate of convergence is about 25 millimeters annually.<ref>Nissen ''et al.'' 2007, pg 2.</ref> Part of this convergence is accommodated by ] within the Zagros fold and thrust belt, with the remainder occurring to the north of the ]. The most active part of the Zagros is the Simply Folded Belt, which is characterised by large ] formed above a layer of late ] to ] ] ], which locally reaches the surface in the crests of some ]s as ]s.<ref name="Talebian"/> The sequence of ]s above the salt layer comprises a basal ] ] beneath a thick sequence of ]s of ] to ] age, known together as the "] ]" owing to their relatively high ], overlain by a sequence of weaker ]s and ] limestones of latest Cretaceous to early ] age, topped by ] ]s and conglomerates. There is evidence of intermediate level ] at some of the weaker layers, which means that folds at different ] levels may have different locations, orientations, or ]s.<ref>Nissen ''et al.'' 2010, pg 183.</ref> Measurements of earthquake ]s and ] depths show that shortening is accommodated by a mixture of high-angle and low-angle ], within either the lowest part of the sedimentary cover or in the ] beneath the Hormuz salt.<ref name="Talebian">Talebian ''et al.'', pgs&nbsp;506–526.</ref> Iran lies within the complex zone of ] between the ] and the ];<ref name="Talebian"/> near Qeshm the rate of convergence is about 25 millimeters annually.<ref>Nissen ''et al.'' 2007, pg 2.</ref> Part of this convergence is accommodated by ] within the Zagros fold and thrust belt, with the remainder occurring to the north of the ]. The most active part of the Zagros is the Simply Folded Belt, which is characterised by large ] formed above a layer of late ] to ] ] ], which locally reaches the surface in the crests of some ]s as ]s.<ref name="Talebian"/> The sequence of ]s above the salt layer comprises a basal ] ] beneath a thick sequence of ]s of ] to ] age, known together as the "] ]" owing to their relatively high ], overlain by a sequence of weaker ]s and ] limestones of latest Cretaceous to early ] age, topped by ] ]s and conglomerates. There is evidence of intermediate level ] at some of the weaker layers, which means that folds at different ] levels may have different locations, orientations, or ]s.<ref>Nissen ''et al.'' 2010, pg 183.</ref> Measurements of earthquake ]s and ] depths show that shortening is accommodated by a mixture of high-angle and low-angle ], within either the lowest part of the sedimentary cover or in the ] beneath the Hormuz salt.<ref name="Talebian">Talebian ''et al.'', pgs&nbsp;506–526.</ref>


The island of Qeshm is elongated WSW–ENE, parallel to the coastline and the regional trend of the main fold axes. Neogene sedimentary rocks outcrop at the surface over the whole island, apart from a diapir of older Hormuz salt that pierces through to the surface at its western end. The sediments are affected by a series of large, mainly anticlinal folds that show a variety of trends in the central part of the island. The axis of the Laft anticline runs mainly NW–SE, while the Salakh anticline trends roughly W–E and the Suza anticline and Ramkan ] trend SW–NE. The island shows clear evidence of recent uplift in the form of ]s, with the highest terrace identified at {{convert|220|m|ft|sp=us}} above sea level. An uplift rate of 0.2 millimeters annually has been estimated from ] (<sup>230</sup>]/<sup>234</sup>]) of ] from ]s on the terraces.<ref>Preusser ''et al.'' 2003, pg 1320.</ref> The island of Qeshm is elongated WSW–ENE, parallel to the coastline and the regional trend of the main fold axes. Neogene sedimentary rocks outcrop at the surface over the whole island, apart from a diapir of older Hormuz salt that pierces through to the surface at its western end. The sediments are affected by a series of large, mainly anticlinal folds that show a variety of trends in the central part of the island. The axis of the Laft anticline runs mainly NW–SE, while the Salakh anticline trends roughly W–E and the Suza anticline and Ramkan ] trend SW–NE. The island shows clear evidence of recent uplift in the form of ]s, with the highest terrace identified at {{convert|220|m|ft|sp=us}} above sea level. An uplift rate of 0.2 millimeters annually has been estimated from ] (<sup>230</sup>]/<sup>234</sup>]) of ] from ]s on the terraces.<ref>Preusser ''et al.'' 2003, pg 1320.</ref>
Line 52: Line 52:


== Damage and casualties == == Damage and casualties ==
The earthquake hit at 13:52:19 ], or 1:52 pm (10:22:19 UTC),<ref name=NEA1>Nissen ''et al.'' 2007, pg 1.</ref> and lasted between 10 and 30&nbsp;seconds.<ref name=ChinaD/><ref name=CNN/><ref name=ReliefWeb>{{cite web|url=http://reliefweb.int/report/iran-islamic-republic/iran-qeshm-earthquake-information-bulletin-no-1|title=Iran: Qeshm Earthquake Information Bulletin No. 1|publisher=ReliefWeb|date=November 28, 2005|access-date=February 13, 2009}}</ref> It killed 13&nbsp;people and injured 100 on Qeshm Island. In ] (Ziranag), a village on Qeshm, 80&nbsp;percent of the buildings were demolished. Seven villages experienced extensive damage,<ref name=Summary>{{cite web|url=https://earthquake.usgs.gov/eqcenter/eqinthenews/2005/usfyag/#summary|title=Summary: Magnitude 6.0 South Iran|publisher=]|date=July 16, 2008|access-date=January 28, 2009|archive-url=https://web.archive.org/web/20090212032820/http://earthquake.usgs.gov/eqcenter/eqinthenews/2005/usfyag/#summary|archive-date=February 12, 2009|url-status=dead}}</ref> and 13 villages were destroyed: ], ], ], ], ], ], ], ], ], ], Ziranag, ],<ref name=IIEES>{{Cite web|url=http://www.iiees.ac.ir/english/bank/gheshm/gheshm_report_e.html|title=Earthquake Report for November 27, 2005: West of Qeshm (Persian Gulf)|publisher=] (IIEES)|access-date=February 13, 2009 |archive-url = https://web.archive.org/web/20080603114358/http://www.iiees.ac.ir/english/bank/gheshm/gheshm_report_e.html |archive-date = June 3, 2008}}</ref> and Gourian.<ref>{{cite news|url=https://www.theguardian.com/environment/2005/nov/28/iran.naturaldisasters|title=Earthquake kills 10 in Iran|publisher=Guardian Media Group|work=]|date=November 28, 2005|access-date=January 29, 2009}}</ref> There were reports of intensity III effects on the ] from ], ], ], ], ] and ]; Intensity IV (''Light'') effects occurred at ].{{refn|The ] measures the intensity of earthquakes, mainly by the damage they cause and their effect on the surrounding area.<ref>{{cite web|url=https://earthquake.usgs.gov/learn/topics/mercalli.php|title=The Modified Mercalli Intensity Scale|publisher=United States Geological Survey|date=January 9, 2013|access-date=January 21, 2013}}</ref>|group=nb}} ] from the earthquake was also noted in ].<ref name=Summary/> No major damage occurred directly at the epicenter;<ref>{{cite news|url=http://news.xinhuanet.com/english/2005-11/28/content_3844196.htm|title=Strong quake kills 10 in southern Iran|work=]|publisher=]|date=November 28, 2005|access-date=January 28, 2009}}</ref> residents of ] reported that the shaking smashed windows, leading citizens to evacuate their homes fearing collapse.<ref name=ReliefWeb/> In total more than 2,000 people were affected.<ref>{{Cite web|url=http://reliefweb.int/report/iran-islamic-republic/iran-year-review-2005|title=Iran: Year in Review 2005|publisher=ReliefWeb|date=January 13, 2006|access-date=February 13, 2009}}</ref> The earthquake hit at 13:52:19 ], or 1:52 pm (10:22:19 UTC),<ref name=NEA1>Nissen ''et al.'' 2007, pg 1.</ref> and lasted between 10 and 30&nbsp;seconds.<ref name=ChinaD/><ref name=CNN/><ref name=ReliefWeb>{{cite web|url=http://reliefweb.int/report/iran-islamic-republic/iran-qeshm-earthquake-information-bulletin-no-1|title=Iran: Qeshm Earthquake Information Bulletin No. 1|publisher=ReliefWeb|date=November 28, 2005|access-date=February 13, 2009}}</ref> It killed 13&nbsp;people and injured 100 on Qeshm Island. In ] (Ziranag), a village on Qeshm, 80&nbsp;percent of the buildings were demolished. Seven villages experienced extensive damage,<ref name=Summary>{{cite web|url=https://earthquake.usgs.gov/eqcenter/eqinthenews/2005/usfyag/#summary|title=Summary: Magnitude 6.0 South Iran|publisher=United States Geological Survey|date=July 16, 2008|access-date=January 28, 2009|archive-url=https://web.archive.org/web/20090212032820/http://earthquake.usgs.gov/eqcenter/eqinthenews/2005/usfyag/#summary|archive-date=February 12, 2009|url-status=dead}}</ref> and 13 villages were destroyed: ], ], ], ], ], ], ], ], ], ], Ziranag, ],<ref name=IIEES>{{Cite web|url=http://www.iiees.ac.ir/english/bank/gheshm/gheshm_report_e.html|title=Earthquake Report for November 27, 2005: West of Qeshm (Persian Gulf)|publisher=] (IIEES)|access-date=February 13, 2009|archive-url=https://web.archive.org/web/20080603114358/http://www.iiees.ac.ir/english/bank/gheshm/gheshm_report_e.html|archive-date=June 3, 2008}}</ref> and Gourian.<ref>{{cite news|url=https://www.theguardian.com/environment/2005/nov/28/iran.naturaldisasters|title=Earthquake kills 10 in Iran|work=The Guardian|date=November 28, 2005|access-date=January 29, 2009}}</ref> There were reports of intensity III effects on the ] from ], ], ], ], ] and ]; Intensity IV (''Light'') effects occurred at ].{{refn|The ] measures the intensity of earthquakes, mainly by the damage they cause and their effect on the surrounding area.<ref>{{cite web|url=https://earthquake.usgs.gov/learn/topics/mercalli.php|title=The Modified Mercalli Intensity Scale|publisher=United States Geological Survey|date=January 9, 2013|access-date=January 21, 2013}}</ref>|group=nb}} ] from the earthquake was also noted in ].<ref name=Summary/> No major damage occurred directly at the epicenter;<ref>{{cite news|url=http://news.xinhuanet.com/english/2005-11/28/content_3844196.htm|archive-url=https://web.archive.org/web/20061128210146/http://news.xinhuanet.com/english/2005-11/28/content_3844196.htm|url-status=dead|archive-date=November 28, 2006|title=Strong quake kills 10 in southern Iran|agency=]|date=November 28, 2005|access-date=January 28, 2009}}</ref> residents of ] reported that the shaking smashed windows, leading citizens to evacuate their homes fearing collapse.<ref name=ReliefWeb/> In total more than 2,000 people were affected.<ref>{{Cite web|url=http://reliefweb.int/report/iran-islamic-republic/iran-year-review-2005|title=Iran: Year in Review 2005|publisher=ReliefWeb|date=January 13, 2006|access-date=February 13, 2009}}</ref>


One major hospital damaged by the earthquake was inundated with the injured and lacked medical supplies for treatment. An airport on the epicentral island sustained damage, and power lines on the island were severed.<ref name=ReliefWeb/> The director of ]'s seismological building dismissed fears of a tsunami, saying that the Persian Gulf was not deep enough to allow for one.<ref name=NYT>{{cite news|url=https://www.nytimes.com/2005/11/27/international/middleeast/27cnd-iran.html?_r=1&scp=2&sq=2005%20iran%20earthquake&st=cse|work=]|author=Fathi, Nazila|title=Powerful Earthquake Strikes Iran, Killing 10 |date=November 27, 2005|access-date=January 28, 2009}}</ref> In one school, some people suffered broken legs when the building collapsed, but there were no fatalities.<ref name=BBCUK/> Buildings in Dubai, including the ],<ref name=Scott/> were evacuated because of concerns that the structures might collapse, but no such incidents occurred. One woman described the locals as "panicked".<ref name=BBCUK>{{Cite news|url=http://news.bbc.co.uk/2/hi/middle_east/4475546.stm|title=Ten dead in southern Iran quake|publisher=]|work=]|date=November 28, 2005|access-date=January 28, 2009| archive-url= https://web.archive.org/web/20081219115127/http://news.bbc.co.uk/2/hi/middle_east/4475546.stm| archive-date= 19 December 2008 | url-status= live}}</ref> Television stations throughout Iran released footage of quake damage and of injured residents being taken to hospitals.<ref>{{cite news|url=http://www.boston.com/news/world/middleeast/articles/2005/11/28/10_killed_as_quake_razes_seven_villages_in_iran/|title=10 killed as quake razes seven villages in Iran|work=]|publisher=]|date=November 28, 2005|access-date=January 28, 2009}}</ref> One major hospital damaged by the earthquake was inundated with the injured and lacked medical supplies for treatment. An airport on the epicentral island sustained damage, and power lines on the island were severed.<ref name=ReliefWeb/> The director of ]'s seismological building dismissed fears of a tsunami, saying that the Persian Gulf was not deep enough to allow for one.<ref name=NYT>{{cite news|url=https://www.nytimes.com/2005/11/27/international/middleeast/27cnd-iran.html?_r=1&scp=2&sq=2005%20iran%20earthquake&st=cse|work=The New York Times|author=Fathi, Nazila|title=Powerful Earthquake Strikes Iran, Killing 10|date=November 27, 2005|access-date=January 28, 2009}}</ref> In one school, some people suffered broken legs when the building collapsed, but there were no fatalities.<ref name=BBCUK/> Buildings in Dubai, including the ],<ref name=Scott/> were evacuated because of concerns that the structures might collapse, but no such incidents occurred. One woman described the locals as "panicked".<ref name=BBCUK>{{Cite news|url=http://news.bbc.co.uk/2/hi/middle_east/4475546.stm|title=Ten dead in southern Iran quake|publisher=BBC News|date=November 28, 2005|access-date=January 28, 2009|archive-url=https://web.archive.org/web/20081219115127/http://news.bbc.co.uk/2/hi/middle_east/4475546.stm|archive-date=19 December 2008|url-status=live}}</ref> Television stations throughout Iran released footage of quake damage and of injured residents being taken to hospitals.<ref>{{cite news|url=http://www.boston.com/news/world/middleeast/articles/2005/11/28/10_killed_as_quake_razes_seven_villages_in_iran/|title=10 killed as quake razes seven villages in Iran|work=]|date=November 28, 2005|access-date=January 28, 2009}}</ref>


A ]<ref name=CNN>{{Cite news|url=http://www.cnn.com/2005/WORLD/meast/11/27/iran.quake/index.html|title=Strong earthquake kills 10 in Iran|publisher=]|work=]|date=November 27, 2005|access-date=January 28, 2009}}</ref> and 36 major ]s of more than magnitude&nbsp;2.5 (in total, 400 aftershocks) followed the earthquake.<ref name=IIEES/> A former ] fortress, built by Admiral ] in 1507, sustained heavy damage to its eastern wall but otherwise remained intact.<ref name=fortress>{{cite news|url=http://www.payvand.com/news/05/nov/1281.html|title=Qeshm's Earthquake Damaged Historical Portuguese Fortress|publisher=NetNative|work=Payvand|date=November 30, 2005|access-date=February 13, 2009}}</ref> A ]<ref name=CNN>{{Cite news|url=http://www.cnn.com/2005/WORLD/meast/11/27/iran.quake/index.html|title=Strong earthquake kills 10 in Iran|publisher=CNN|date=November 27, 2005|access-date=January 28, 2009}}</ref> and 36 major ]s of more than magnitude&nbsp;2.5 (in total, 400 aftershocks) followed the earthquake.<ref name=IIEES/> A former ] fortress, built by Admiral ] in 1507, sustained heavy damage to its eastern wall but otherwise remained intact.<ref name=fortress>{{cite news|url=http://www.payvand.com/news/05/nov/1281.html|title=Qeshm's Earthquake Damaged Historical Portuguese Fortress|agency=Payvand|date=November 30, 2005|access-date=25 June 2023|archive-url=https://web.archive.org/web/20150610194900/http://www.payvand.com/news/05/nov/1281.html|archive-date=10 June 2015|url-status=dead}}</ref>


If the earthquake had occurred during the early morning while residents were asleep, rather than mid-afternoon (1:52 pm local time),<ref name=NEA1/> it could have been deadlier as housing in the epicentral area consisted chiefly of mud and brick.<ref name=CNN/> If the earthquake had occurred during the early morning while residents were asleep, rather than mid-afternoon (1:52 pm local time),<ref name=NEA1/> it could have been deadlier as housing in the epicentral area consisted chiefly of mud and brick.<ref name=CNN/>


== Relief efforts and aftermath == == Relief efforts and aftermath ==
Aid workers from the domestic region began delivering supplies such as food, blankets, and tents.<ref name=NYT/>{{refn|Around 74,151 tins of tuna fish, {{convert|40920|kg|lb}} of rice, 46,700 tins of canned beans, {{convert|10445|kg|lb}} of sugar, {{convert|16836|kg|lb}} of edible oil, {{convert|5986|kg|lb}} of ], and {{convert|1133|kg|lb}} of tea were distributed by the Iranian ] (IRCS). The organization also gave out 4,696 sets of relief tents, 5,677 sets of ]s, 10,689 sets of blankets, 2,169 kitchen sets, 1,477 ovens, 1,250 sets of lanterns and 4,001 cartons of hygienic kits.<ref name=Numbers/>|group=nb}} A dispatch of 101 relief helpers, 40 IRCS staff, and four people from the public relations department at ] also assisted survivors. Three ambulances, 46 trucks, three helicopters, 12 vans, nine cars, two minibuses, and two ]s were also dispatched to help citizens of quake-struck areas.<ref name=Numbers>{{cite web|url=http://reliefweb.int/report/iran-islamic-republic/iran-humanitarian-aids-affected-people-qeshm-island|title=Iran: Humanitarian aids to affected people of Qeshm Island|publisher=ReliefWeb|date=December 11, 2005|access-date=February 13, 2009}}</ref> Aid workers from the domestic region began delivering supplies such as food, blankets, and tents.<ref name=NYT/>{{refn|Around 74,151 tins of tuna fish, {{convert|40920|kg|lb}} of rice, 46,700 tins of canned beans, {{convert|10445|kg|lb}} of sugar, {{convert|16836|kg|lb}} of edible oil, {{convert|5986|kg|lb}} of ], and {{convert|1133|kg|lb}} of tea were distributed by the ] (IRCS). The organization also gave out 4,696 sets of relief tents, 5,677 sets of ]s, 10,689 sets of blankets, 2,169 kitchen sets, 1,477 ovens, 1,250 sets of lanterns and 4,001 cartons of hygienic kits.<ref name=Numbers/>|group=nb}} A dispatch of 101 relief helpers, 40 IRCS staff, and four people from the public relations department at ] also assisted survivors. Three ambulances, 46 trucks, three helicopters, 12 vans, nine cars, two minibuses, and two ]s were also dispatched to help citizens of quake-struck areas.<ref name=Numbers>{{cite web|url=http://reliefweb.int/report/iran-islamic-republic/iran-humanitarian-aids-affected-people-qeshm-island|title=Iran: Humanitarian aids to affected people of Qeshm Island|publisher=ReliefWeb|date=December 11, 2005|access-date=February 13, 2009}}</ref>


Injured residents were transported to Bandar Abbas by helicopter.<ref name=Scott>{{cite news|url=http://www.cbsnews.com/stories/2005/11/27/world/main1075797.shtml|title=Villages Flattened In Iran Quake|publisher=]|work=]|date=November 27, 2005|access-date=January 28, 2009}}</ref> An Iranian police official, citing concerns about possible ], said all movement into and out of damaged houses would require prior approval from the governor's office, the police, and the Unexpected Events Committee on the island.<ref>{{Cite news|url=http://english.cri.cn/2239/2005-11-28/65@284498.htm|title=Iran Earthquake Levels Seven Villages|work=]|publisher=]|date=November 28, 2005|access-date=January 28, 2009}}</ref> ] offered assistance to Iran, and the official in charge of response stated: "we are preparing to respond if needed".<ref name=UNI>{{cite news|url=http://www.irinnews.org/Report/25749/IRAN-IRAN-UNICEF-ready-to-assist-Qeshm-quake-victims|title=UNICEF ready to assist Qeshm quake victims|publisher=] News|date=November 28, 2005|access-date=January 29, 2009}}</ref> They elaborated that the Iranian authorities "appeared to have things under control".<ref name=UNI/> Injured residents were transported to Bandar Abbas by helicopter.<ref name=Scott>{{cite news|url=https://www.cbsnews.com/news/villages-flattened-in-iran-quake/|title=Villages Flattened in Iran Quake|publisher=]|date=November 27, 2005|access-date=January 28, 2009}}</ref> An Iranian police official, citing concerns about possible ], said all movement into and out of damaged houses would require prior approval from the governor's office, the police, and the Unexpected Events Committee on the island.<ref>{{Cite news|url=http://english.cri.cn/2239/2005-11-28/65@284498.htm|archive-url=https://web.archive.org/web/20121018112103/http://english.cri.cn/2239/2005-11-28/65@284498.htm|url-status=dead|archive-date=October 18, 2012|title=Iran Earthquake Levels Seven Villages|publisher=]|date=November 28, 2005|access-date=January 28, 2009}}</ref> ] offered assistance to Iran, and the official in charge of response stated: "we are preparing to respond if needed".<ref name=UNI>{{cite news|url=http://www.irinnews.org/Report/25749/IRAN-IRAN-UNICEF-ready-to-assist-Qeshm-quake-victims|title=UNICEF ready to assist Qeshm quake victims|publisher=] News|date=November 28, 2005|access-date=January 29, 2009}}</ref> They elaborated that the Iranian authorities "appeared to have things under control".<ref name=UNI/>


In 2007, the Asian Centre on Seismic Risk Reduction was formed in response to the regular earthquakes experienced in south, west, and central Asia, to "encourage regional and inter-regional networking and partnerships to reduce seismic damage". Earthquakes account for 73&nbsp;percent of natural disaster deaths in these locations.<ref>{{cite news|url=https://www.un.org/apps/news/story.asp?NewsID=22486&Cr=disaster&Cr1=natural|title=Iran, UN agencies launch first regional seismic risk reduction centre|publisher=]|date=May 9, 2007|access-date=November 14, 2009}}</ref> In 2007, the Asian Centre on Seismic Risk Reduction was formed in response to the regular earthquakes experienced in south, west, and central Asia, to "encourage regional and inter-regional networking and partnerships to reduce seismic damage". Earthquakes account for 73&nbsp;percent of natural disaster deaths in these locations.<ref>{{cite news|url=https://www.un.org/apps/news/story.asp?NewsID=22486&Cr=disaster&Cr1=natural|title=Iran, UN agencies launch first regional seismic risk reduction centre|publisher=]|date=May 9, 2007|access-date=November 14, 2009}}</ref>
Line 76: Line 76:


== References == == References ==
{{Reflist|30em|refs= {{Reflist|refs=
<ref name=Berberian>{{citation|title=Earthquakes and Coseismic Surface Faulting on the Iranian Plateau|url=https://books.google.com/books?id=_ur1AgAAQBAJ|first=M.|last=Berberian|author-link=Manuel Berberian|year=2014|series=Developments in Earth Surface Processes|edition=1st|publisher=]|isbn=978-0444632920|page=621}}</ref> <ref name=Berberian>{{citation|title=Earthquakes and Coseismic Surface Faulting on the Iranian Plateau|url=https://books.google.com/books?id=_ur1AgAAQBAJ|first=M.|last=Berberian|author-link=Manuel Berberian|year=2014|series=Developments in Earth Surface Processes|edition=1st|publisher=]|isbn=978-0444632920|page=621}}</ref>
}} }}
Line 82: Line 82:
=== Bibliography === === Bibliography ===
* {{Cite isc|EHB}} * {{Cite isc|EHB}}
* {{Cite journal| author= Nissen, E. |author2=Ghorashi, M. |author3=Jackson, J. |author4=Parsons, B. |author5=Talebian, M.|title=The 2005 Qeshm Island Earthquake (Iran)—A link between buried reverse faulting and surface folding in the Zagros Simply Folded Belt?|date=May 2007|volume=171|issue=1|pages=326–338|journal=]|doi=10.1111/j.1365-246X.2007.03514.x|url=http://www.earth.ox.ac.uk/~johne/pdfs/nissen-etal07b.pdf| access-date= July 2, 2011|bibcode = 2007GeoJI.171..326N |doi-access=free}} * {{Cite journal|author=Nissen, E.|author2=Ghorashi, M.|author3=Jackson, J.|author4=Parsons, B.|author5=Talebian, M.|title=The 2005 Qeshm Island Earthquake (Iran)—A link between buried reverse faulting and surface folding in the Zagros Simply Folded Belt?|date=May 2007|volume=171|issue=1|pages=326–338|journal=]|doi=10.1111/j.1365-246X.2007.03514.x|url=http://www.earth.ox.ac.uk/~johne/pdfs/nissen-etal07b.pdf|access-date=July 2, 2011|bibcode=2007GeoJI.171..326N|doi-access=free}}
* {{cite journal| author=Nissen, E. |author2=Yamini-Fard, F. |author3=Tatar, M. |author4=Gholamzadeh, A. |author5=Bergman, E. |author6=Elliott, J.R.|title=The vertical separation of mainshock rupture and microseismicity at Qeshm Island in the Zagros Fold-and-Thrust Belt, Iran|date=June 2010|volume=296|issue=3–4|pages=181–194|journal=]|doi=10.1016/j.epsl.2010.04.049|bibcode = 2010E&PSL.296..181N |url=http://www.earth.ox.ac.uk/~johne/publications/pdfs/nissen-etal10.pdf|access-date=July 2, 2011}} * {{cite journal|author=Nissen, E.|author2=Yamini-Fard, F.|author3=Tatar, M.|author4=Gholamzadeh, A.|author5=Bergman, E.|author6=Elliott, J.R.|title=The vertical separation of mainshock rupture and microseismicity at Qeshm Island in the Zagros Fold-and-Thrust Belt, Iran|date=June 2010|volume=296|issue=3–4|pages=181–194|journal=]|doi=10.1016/j.epsl.2010.04.049|bibcode=2010E&PSL.296..181N|url=http://www.earth.ox.ac.uk/~johne/publications/pdfs/nissen-etal10.pdf|access-date=July 2, 2011}}
* {{cite journal| author=Preusser, F. |author2=Radtke, U. |author3=Fontugne, M. |author4=Haghipour, A. |author5=Hilgers, A. |author6=Kasper, H.U. |author7=Nazari, H. |author8=Pirazzoli, P.A.|title=ESR dating of raised coral reefs from Kish Island, Persian Gulf|pages=1317–1322|journal=]|volume=22|doi=10.1016/S0277-3791(03)00038-6|date=May 2003| issue=10–13|bibcode = 2003QSRv...22.1317P }} * {{cite journal|author=Preusser, F.|author2=Radtke, U.|author3=Fontugne, M.|author4=Haghipour, A.|author5=Hilgers, A.|author6=Kasper, H.U.|author7=Nazari, H.|author8=Pirazzoli, P.A.|title=ESR dating of raised coral reefs from Kish Island, Persian Gulf|pages=1317–1322|journal=]|volume=22|doi=10.1016/S0277-3791(03)00038-6|date=May 2003|issue=10–13|bibcode=2003QSRv...22.1317P}}
* {{cite journal|author1=Talebian, M. |author2=Jackson, J.|year=2004|title=A reappraisal of earthquake focal mechanisms and active shortening in the Zagros mountains of Iran|journal=Geophysical Journal International|volume=156|issue=3|pages=506–526|doi=10.1111/j.1365-246X.2004.02092.x|bibcode = 2004GeoJI.156..506T|doi-access=free}} * {{cite journal|author1=Talebian, M.|author2=Jackson, J.|year=2004|title=A reappraisal of earthquake focal mechanisms and active shortening in the Zagros mountains of Iran|journal=Geophysical Journal International|volume=156|issue=3|pages=506–526|doi=10.1111/j.1365-246X.2004.02092.x|bibcode=2004GeoJI.156..506T|doi-access=free}}
* {{cite web|title=United Nations Common Country Assessment for the Islamic Republic of Iran|url=http://www.asia-pacific.undp.org/content/dam/rbap/docs/programme-documents/cca/IR-CCA-2003.pdf|publisher=]|date=August 2003|pages=1–82|access-date=November 23, 2009}} * {{cite web|title=United Nations Common Country Assessment for the Islamic Republic of Iran|url=http://www.asia-pacific.undp.org/content/dam/rbap/docs/programme-documents/cca/IR-CCA-2003.pdf|publisher=]|date=August 2003|pages=1–82|access-date=November 23, 2009|archive-date=December 27, 2015|archive-url=https://web.archive.org/web/20151227053551/http://www.asia-pacific.undp.org/content/dam/rbap/docs/programme-documents/cca/IR-CCA-2003.pdf|url-status=dead}}
* {{cite journal| author= Yaminifard, F. |author2=Tatar, M. |author3=Hessami, K. |author4=Gholamzadeh, A. |author5=Bergman, E.A.|year=2012|title=Aftershock analysis of the 2005 November 27 (Mw 5.8) Qeshm Island earthquake (Zagros-Iran): Triggering of strike-slip faults at the basement|journal=Journal of Geodynamics|volume=61|pages=138–147| doi= 10.1016/j.jog.2012.04.005|bibcode = 2012JGeo...61..138Y }}{{subscription needed}} * {{cite journal|author=Yaminifard, F.|author2=Tatar, M.|author3=Hessami, K.|author4=Gholamzadeh, A.|author5=Bergman, E.A.|year=2012|title=Aftershock analysis of the 2005 November 27 (Mw 5.8) Qeshm Island earthquake (Zagros-Iran): Triggering of strike-slip faults at the basement|journal=Journal of Geodynamics|volume=61|pages=138–147|doi=10.1016/j.jog.2012.04.005|bibcode=2012JGeo...61..138Y}}{{subscription required}}


==External links== ==External links==
Line 97: Line 97:
{{featured article}} {{featured article}}


]
] ]
] ]
] ]
] ]
]

Latest revision as of 22:08, 28 October 2024

Earthquake in Iran
2005 Qeshm earthquake
The Portuguese fortress in Qeshm was damaged in the earthquake.
2005 Qeshm earthquake is located in IranTehranTehranSharjahSharjah2005 Qeshm earthquake
UTC time2005-11-27 10:22:17
ISC event8461669
USGS-ANSSComCat
Local dateNovember 27, 2005 (2005-11-27)
Local time13:52 IRST
Magnitude6.0 Mw
Depth10 km (6 mi)
Epicenter26°50′N 55°56′E / 26.84°N 55.93°E / 26.84; 55.93
TypeReverse
Areas affectedIran, United Arab Emirates
Max. intensityMMI VII (Very strong)
TsunamiNo
Casualties13 dead, 100 injured

An earthquake occurred on November 27, 2005, at 13:52 IRST (10:22 UTC) on the sparsely populated Qeshm Island off Southern Iran, killing 13 people and devastating 13 villages. It was Iran's second major earthquake of 2005, following the one at Zarand in February. The epicenter was about 1,500 kilometers (930 mi) south of Tehran, close to Iran's southern borders. Initial measurements showed that the earthquake registered about 6.0 on the moment magnitude scale, although that was reduced to 5.8 after further analysis. More than 400 minor aftershocks followed the main quake, 36 of which were greater than magnitude 2.5. The earthquake occurred in a remote area during the middle of the day, limiting the number of fatalities. Iranian relief efforts were effective and largely adequate, leading the country to decline offers of support from other nations and UNICEF.

Qeshm Island is part of the Simply Folded Belt, the most seismically active part of the Zagros fold and thrust belt. Similar to most earthquakes in the area, the 2005 event resulted from reverse slip faulting. Since it lies in such a seismically active area, there is a high risk of destructive earthquakes in Iran; 1 in 3,000 deaths are attributable to earthquakes. One geophysicist has cited the lack of strict building codes as a serious concern.

Background

Iran experiences at least one minor earthquake per day on average, and the Zagros region is particularly prone to seismic activity. Since 1913, Iran has been hit by more than 160 events stronger than magnitude 5, with damaging earthquakes near Qeshm recorded in 1360, 1703, 1884, 1897, 1902, and 1905. The majority of Iranian quakes occur in the upper crust, close to the surface, which means that they are potentially more destructive.

In terms of earthquake protection, Iran was named the "worst offender" in 2004 by Professor Roger Bilham of the University of Colorado at Boulder. Bilham, a geophysicist who specializes in earthquake-related deformation and hazards, blames construction practices for many of the deaths in Iranian earthquakes. Since the start of the 20th century 1 in 3,000 Iranians have died in earthquake-related incidents. The United Nations' Common Country Assessment for Iran states that the greatest damage occurs in rural areas, for which no building code exists. Large cities have a building code that takes account of the seismic hazard, but it is not rigorously followed, despite the susceptibility of three quarters of Iranian major cities to damaging earthquakes. The risk posed by poor engineering is of significant concern to the populace and an impediment to economic development. The 1990 Manjil–Rudbar earthquake, with at least 42,000 fatalities, cost Iran roughly 7.2 percent of its Gross National Product (GNP) for that year, and wiped out two years of economic growth.

Geological setting

The main fold structures in the central part of Qeshm island, with the epicenter and area uplifted during earthquake

Iran lies within the complex zone of collision between the Arabian plate and the Eurasian plate; near Qeshm the rate of convergence is about 25 millimeters annually. Part of this convergence is accommodated by crustal shortening and thickening within the Zagros fold and thrust belt, with the remainder occurring to the north of the Iranian Plateau. The most active part of the Zagros is the Simply Folded Belt, which is characterised by large folds formed above a layer of late Neoproterozoic to Early Cambrian Hormuz salt, which locally reaches the surface in the crests of some anticlines as salt diapirs. The sequence of sedimentary rocks above the salt layer comprises a basal Cambrian conglomerate beneath a thick sequence of limestones of Palaeozoic to late Cretaceous age, known together as the "Competent Group" owing to their relatively high mechanical strength, overlain by a sequence of weaker marls and interbedded limestones of latest Cretaceous to early Miocene age, topped by Neogene sandstones and conglomerates. There is evidence of intermediate level detachment at some of the weaker layers, which means that folds at different stratigraphic levels may have different locations, orientations, or wavelengths. Measurements of earthquake focal mechanisms and hypocentral depths show that shortening is accommodated by a mixture of high-angle and low-angle reverse faulting, within either the lowest part of the sedimentary cover or in the basement beneath the Hormuz salt.

The island of Qeshm is elongated WSW–ENE, parallel to the coastline and the regional trend of the main fold axes. Neogene sedimentary rocks outcrop at the surface over the whole island, apart from a diapir of older Hormuz salt that pierces through to the surface at its western end. The sediments are affected by a series of large, mainly anticlinal folds that show a variety of trends in the central part of the island. The axis of the Laft anticline runs mainly NW–SE, while the Salakh anticline trends roughly W–E and the Suza anticline and Ramkan syncline trend SW–NE. The island shows clear evidence of recent uplift in the form of marine terraces, with the highest terrace identified at 220 meters (720 ft) above sea level. An uplift rate of 0.2 millimeters annually has been estimated from uranium series dating (Th/U) of aragonite from corals on the terraces.

Characteristics

The earthquake was initially measured at 6.0 on the moment magnitude scale, although later analysis suggests a slightly lower value of 5.8. The epicenter was near the village of Gavarzin in central Qeshm, and a hypocentral depth of 10 kilometers (6 mi) was estimated. The focal mechanism derived for the earthquake indicates that it was the result of reverse faulting on a fault plane dipping either to the north at 50° or to the south-southeast at 40°. No evidence has been found of surface faulting, but a 3-kilometer-long (2 mi) set of bedding-parallel cracks was observed on the northwestern flank of the Ramkan syncline, interpreted as representing probable slip along bedding planes, possibly due to further tightening of this fold. Other NW–SE trending tensional cracks observed further southwest along the syncline are more likely to be due to salt movement at depth.

Surface displacement during the earthquake was measured using SAR interferometry. The computed area of uplift is elongated W-E, with a maximum value of about 20 centimeters (8 in) centered over the eastern end of the Latif anticline. A smaller area of subsidence was observed to the south of the uplifted area, and the lack of a sharp boundary between the two suggests that the fault does not come to the surface. The pattern of displacement is consistent with a north-dipping fault rupturing between about 8 kilometers (5 mi) and 4 kilometers (2 mi) in depth, which also provides a good match to the results of seismic modeling using body waves, although a SSE-dipping plane remains possible. This depth range strongly suggests that the fault affected the lower part of the sedimentary cover, while not ruling out some basement involvement. The mismatch between the orientation of the fault planes that caused the earthquake and the observed surface folds suggests that deformation at these two levels is decoupled by the presence of a detachment, possibly within marl layers.

Most aftershocks occurred at significantly greater depths than the mainshock and are dominated by strike-slip focal mechanisms. This suggests that the mainshock triggered later movement on a complex set of right and left lateral strike-slip faults within the basement, together accommodating north-south shortening beneath the Hormuz salt layer.

On September 10, 2008, there was another major earthquake on Qeshm, with a magnitude of 5.9 and hypocentral depth of 8 kilometers (5 mi). The pattern of uplift observed for this earthquake is also consistent with rupturing within the lower sedimentary sequence, but on a fault with two segments, dipping overall to the southeast. The earthquakes of 2005 and 2008 may have ruptured adjacent segments of the same southeast-dipping reverse fault. Seven deaths were reported as a result of the 2008 earthquake.

Damage and casualties

The earthquake hit at 13:52:19 IRST, or 1:52 pm (10:22:19 UTC), and lasted between 10 and 30 seconds. It killed 13 people and injured 100 on Qeshm Island. In Zirang (Ziranag), a village on Qeshm, 80 percent of the buildings were demolished. Seven villages experienced extensive damage, and 13 villages were destroyed: Tonban, Ramekan, Gevarzin, Khaledin, Direstan, Kushe, Karavan, Turyan, Tom senati, Gorbehdan, Ziranag, Giahdan, and Gourian. There were reports of intensity III effects on the Mercalli scale from Bandar Abbas, Abu Dhabi, Ajman, Dubai, Fujairah and Ras al-Khaimah; Intensity IV (Light) effects occurred at Sharjah. Shaking from the earthquake was also noted in Oman. No major damage occurred directly at the epicenter; residents of Qeshm reported that the shaking smashed windows, leading citizens to evacuate their homes fearing collapse. In total more than 2,000 people were affected.

One major hospital damaged by the earthquake was inundated with the injured and lacked medical supplies for treatment. An airport on the epicentral island sustained damage, and power lines on the island were severed. The director of Tehran's seismological building dismissed fears of a tsunami, saying that the Persian Gulf was not deep enough to allow for one. In one school, some people suffered broken legs when the building collapsed, but there were no fatalities. Buildings in Dubai, including the Emirates Towers, were evacuated because of concerns that the structures might collapse, but no such incidents occurred. One woman described the locals as "panicked". Television stations throughout Iran released footage of quake damage and of injured residents being taken to hospitals.

A landslide and 36 major aftershocks of more than magnitude 2.5 (in total, 400 aftershocks) followed the earthquake. A former Portuguese fortress, built by Admiral Afonso de Albuquerque in 1507, sustained heavy damage to its eastern wall but otherwise remained intact.

If the earthquake had occurred during the early morning while residents were asleep, rather than mid-afternoon (1:52 pm local time), it could have been deadlier as housing in the epicentral area consisted chiefly of mud and brick.

Relief efforts and aftermath

Aid workers from the domestic region began delivering supplies such as food, blankets, and tents. A dispatch of 101 relief helpers, 40 IRCS staff, and four people from the public relations department at ReliefWeb also assisted survivors. Three ambulances, 46 trucks, three helicopters, 12 vans, nine cars, two minibuses, and two sniffer dogs were also dispatched to help citizens of quake-struck areas.

Injured residents were transported to Bandar Abbas by helicopter. An Iranian police official, citing concerns about possible looting, said all movement into and out of damaged houses would require prior approval from the governor's office, the police, and the Unexpected Events Committee on the island. UNICEF offered assistance to Iran, and the official in charge of response stated: "we are preparing to respond if needed". They elaborated that the Iranian authorities "appeared to have things under control".

In 2007, the Asian Centre on Seismic Risk Reduction was formed in response to the regular earthquakes experienced in south, west, and central Asia, to "encourage regional and inter-regional networking and partnerships to reduce seismic damage". Earthquakes account for 73 percent of natural disaster deaths in these locations.

See also

Notes

  1. The strongest of these earthquakes occurred in Qir in 1972 and Demshar-e Khurgu in 1977, both measuring Mw 6.7.
  2. The Mercalli intensity scale measures the intensity of earthquakes, mainly by the damage they cause and their effect on the surrounding area.
  3. Around 74,151 tins of tuna fish, 40,920 kilograms (90,210 lb) of rice, 46,700 tins of canned beans, 10,445 kilograms (23,027 lb) of sugar, 16,836 kilograms (37,117 lb) of edible oil, 5,986 kilograms (13,197 lb) of pulse, and 1,133 kilograms (2,498 lb) of tea were distributed by the Iranian Red Crescent Society (IRCS). The organization also gave out 4,696 sets of relief tents, 5,677 sets of moquettes, 10,689 sets of blankets, 2,169 kitchen sets, 1,477 ovens, 1,250 sets of lanterns and 4,001 cartons of hygienic kits.

References

  1. International Seismological Centre. ISC-EHB Bulletin. Thatcham, United Kingdom. [Event 8461669].
  2. ^ Nissen et al. 2010, pg 186.
  3. Berberian, M. (2014), Earthquakes and Coseismic Surface Faulting on the Iranian Plateau, Developments in Earth Surface Processes (1st ed.), Elsevier, p. 621, ISBN 978-0444632920
  4. ^ "Earthquake jolts southern Iran, killing 5". China Daily. November 27, 2005. Retrieved January 28, 2009.
  5. ^ Talebian et al., pgs 506–526.
  6. National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. (1972). "165 Significant Earthquakes where Year >= 1913 and Primary Magnitude >= 5.1 and Country = Iran". NOAA National Centers for Environmental Information. doi:10.7289/V5TD9V7K. Retrieved March 22, 2024.
  7. ^ Nissen et al. 2010, pg 193.
  8. Nissen et al. 2010, pg 184.
  9. Engdahl, E.R.; Bergman, E.A.; Myers, S.C.; Jackson, J.A.; Priestley, K. (December 2005). "Relocation and Assessment of Seismicity in the Iran Region". AGU Fall Meeting Abstracts. 51: T51C–1352. Bibcode:2005AGUFM.T51C1352E.
  10. Reger, J.P. (August 24, 2011). "Earthquakes and Maryland". Maryland Geological Survey. Archived from the original on October 26, 2013. Retrieved January 3, 2013.
  11. ^ "Contractor Ignorance Kills Earthquake Victims in Sesmic (sic) Zones, Says U. Of Colorado Professor". Science Daily. December 28, 2004. Retrieved October 11, 2009.
  12. ^ United Nations Common Country Assessment for the Islamic Republic of Iran (2003), pg 59.
  13. Nissen et al. 2007, pg 2.
  14. Nissen et al. 2010, pg 183.
  15. Preusser et al. 2003, pg 1320.
  16. Nissen et al., 2007, pg 3.
  17. Nissen et al. 2007, pgs 3–4.
  18. Nissen et al. 2007, pg 11.
  19. Nissen et al. 2007, pg 8.
  20. Nissen et al. 2010, pg 188.
  21. Nissen et al. 2007, pg 12.
  22. Yaminifard et al. 2012, pgs 138–147.
  23. Nissen et al. 2010, pg 192.
  24. ^ Nissen et al. 2007, pg 1.
  25. ^ "Strong earthquake kills 10 in Iran". CNN. November 27, 2005. Retrieved January 28, 2009.
  26. ^ "Iran: Qeshm Earthquake Information Bulletin No. 1". ReliefWeb. November 28, 2005. Retrieved February 13, 2009.
  27. ^ "Summary: Magnitude 6.0 South Iran". United States Geological Survey. July 16, 2008. Archived from the original on February 12, 2009. Retrieved January 28, 2009.
  28. ^ "Earthquake Report for November 27, 2005: West of Qeshm (Persian Gulf)". International Institute of Earthquake Engineering and Seismology (IIEES). Archived from the original on June 3, 2008. Retrieved February 13, 2009.
  29. "Earthquake kills 10 in Iran". The Guardian. November 28, 2005. Retrieved January 29, 2009.
  30. "The Modified Mercalli Intensity Scale". United States Geological Survey. January 9, 2013. Retrieved January 21, 2013.
  31. "Strong quake kills 10 in southern Iran". Xinhua News Agency. November 28, 2005. Archived from the original on November 28, 2006. Retrieved January 28, 2009.
  32. "Iran: Year in Review 2005". ReliefWeb. January 13, 2006. Retrieved February 13, 2009.
  33. ^ Fathi, Nazila (November 27, 2005). "Powerful Earthquake Strikes Iran, Killing 10". The New York Times. Retrieved January 28, 2009.
  34. ^ "Ten dead in southern Iran quake". BBC News. November 28, 2005. Archived from the original on 19 December 2008. Retrieved January 28, 2009.
  35. ^ "Villages Flattened in Iran Quake". CBS News. November 27, 2005. Retrieved January 28, 2009.
  36. "10 killed as quake razes seven villages in Iran". The Boston Globe. November 28, 2005. Retrieved January 28, 2009.
  37. "Qeshm's Earthquake Damaged Historical Portuguese Fortress". Payvand. November 30, 2005. Archived from the original on 10 June 2015. Retrieved 25 June 2023.
  38. ^ "Iran: Humanitarian aids to affected people of Qeshm Island". ReliefWeb. December 11, 2005. Retrieved February 13, 2009.
  39. "Iran Earthquake Levels Seven Villages". China Radio International. November 28, 2005. Archived from the original on October 18, 2012. Retrieved January 28, 2009.
  40. ^ "UNICEF ready to assist Qeshm quake victims". IRIN News. November 28, 2005. Retrieved January 29, 2009.
  41. "Iran, UN agencies launch first regional seismic risk reduction centre". United Nations. May 9, 2007. Retrieved November 14, 2009.

Bibliography

External links

Earthquakes in 2005
February
March
June
August
September
October
November
December
indicates earthquake resulting in at least 30 deaths
indicates the deadliest earthquake of the year
Earthquakes in Iran
Historical
Modern

Categories: