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2012 Costa Rica earthquake
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Earthquake in Costa Rica
2012 Costa Rica earthquake 2012-09-05 14:42:08 601675877 usp000jrsw 2012 09 05 08:42:08 Central America 7.6 w y 40.2 km mi onhttps://earthquake.usgs.gov/earthquakes/eventpage/usc000cfsd#technical Magnitude 7.6 – COSTA RICA: Technical 2012-09-05 United States Geological Survey 2012-09-05 9.996 N 85.318 W inline,title Costa Rica 1.61 g (1580 cm/s2)http://www.lis.ucr.ac.cr/index.php?id=727 Laboratorio de Ingeniería Sísmica Lis.ucr.ac.cr 2012-11-09 2022-11-04 https://web.archive.org/web/20221104211935/https://www.lis.ucr.ac.cr/index.php?id=727 dead 10 US$44.8 million 2 dead 1,650Latest report from Ovsicori: 1,650 aftershocks registered The Tico Times, 2012-09-10.
The 2012 Costa Rica earthquake occurred at 08:42 local time (14:42 UTC) on September 5. The epicenter of the 7.6 Mw earthquake was in the Nicoya Peninsula, 11 kilometers east-southeast of Nicoya.M7.6 – 12km ESE of Hojancha, Costa Rica United States Geological Survey, 5 September 2012. A tsunami warning was issued shortly afterwards, but later cancelled. Two people are known to have died, one from a heart attack and another, a construction worker, crushed by a collapsing wall.https://www.bbc.co.uk/news/world-latin-america-19490503 Powerful earthquake rocks Costa Rica's north-west 2012-09-05 BBC News 2012-09-05 It was the second strongest earthquake recorded in Costa Rica's history, following the 1991 Limon earthquake.Marino Protti: ‘Podíamos decir dónde y qué tan grande sería el terremoto 2012’ La Nación, 2014-02-05. es
Geology
Costa Rica lies above the convergent plate boundary where the Cocos plate is subducting beneath the Caribbean plate at a rate of 9 cm per year. Off the Nicoya Peninsula, the Cocos plate is subducting along the Middle America Trench, and the Nicoya Peninsula is unique in being one of the few landmasses along the Pacific Rim located directly above the seismogenic zone of a subduction megathrust fault.http://serc.carleton.edu/vignettes/collection/25559.html Megathrust earthquakes, coastal uplift, and emergent marine terraces of Costa Rica's Nicoya Peninsula Serc.carleton.edu 2012-11-09 The earthquake is thought to have occurred as a result of thrust faulting on the plate interface.https://earthquake.usgs.gov/earthquakes/eventpage/usc000cfsd#summary Magnitude 7.6 – COSTA RICA: Summary 2012-09-05 United States Geological Survey 2012-09-05http://labs.cas.usf.edu/geodesy/earthquakes.html Earthquakes Tectonics 21 6 7–1–7–26 10.1029/2001TC001304 Labs.cas.usf.edu 2012-11-09 2002 Mann Paul Calais Eric Ruegg Jean-Claude Demets Charles Jansma Pamela E. Mattioli Glen S. subscription The earthquake has a maximum slip of about 2.5 m. The 1950 earthquake essentially the same part of the plate boundary as the 2012 earthquake.
The same area was struck by a M7.7 earthquake in 1950 but had been quiet before the recent earthquake, and the segment of the plate boundary was known as the Nicoya Peninsula seismic gap. In the intervening period, up to 2010, there was an estimated 5 m of missing displacement. Studies determined that the earthquake recurrence interval for the Nicoya Peninsula was about 50 years.http://www.searchanddiscovery.com/abstracts/pdf/2010/pacific/abstracts/ndx_morrish.pdf Tectonic geomorphology and earthquake hazards of the Nicoya Peninsula Seismic Gap, Costa Rica, Central America Morrish S.C. Butcher A.J. Ritzinger B.T. Wellington K.L. Marshall J.S. 2010 5 September 2012 The Volcanological and Seismological Observatory of Costa Rica (OVSICORI) stated that the earthquake had released 40% of the energy accumulated during the 8 years before it and did not exclude the possibility of an earthquake of equal or larger magnitude.http://www.nacion.com/2012-09-12/Sucesos/terremoto-de-nicoya-solo-libero-el-40--de-la-energia-acumulada.aspx Terremoto de Nicoya solo liberó el 40% de la energía acumulada – SUCESOS – La Nación Nacion.com 2012-09-12 2012-11-09 2012-10-12 https://web.archive.org/web/20121012093914/http://www.nacion.com/2012-09-12/Sucesos/terremoto-de-nicoya-solo-libero-el-40--de-la-energia-acumulada.aspx dead
Earthquake
The earthquake was felt all over Costa Rica as well as in Nicaragua, El Salvador, and Panama.Cota Isabella https://www.reuters.com/article/us-costarica-quake-idUSBRE8840XK20120905 Powerful quake hits Costa Rica, two dead Reuters 2012-09-05 2012-11-09 The maximum intensity reached MM X or higher in Nosara near the epicenter. The shaking had intensities of MM VIII in Santa Cruz and MM V in San José.http://www.lis.ucr.ac.cr/mapas/2012-09-05-10:20:21/ Reporte Lis.ucr.ac.cr 2012-11-09http://www.lis.ucr.ac.cr/pdf/set052012/ Terremoto del 05 de setiembre del 2012 Lis.ucr.ac.cr 2012-11-09 2023-03-21 https://web.archive.org/web/20230321071645/https://www.lis.ucr.ac.cr/pdf/set052012/ dead The recorded acceleration in Fraijanes, Alajuela was larger than that of Nicoya, Guanacaste.http://www.nacion.com/2012-09-07/ElPais/En-zonas-de-Alajuela-el-suelo-se-movio-mas-que-en-Nicoya.aspx En zonas de Alajuela el suelo se movió más que en Nicoya – EL PAÍS – La Nación Nacion.com 2012-11-09 2012-10-06 https://web.archive.org/web/20121006134431/http://www.nacion.com/2012-09-07/ElPais/En-zonas-de-Alajuela-el-suelo-se-movio-mas-que-en-Nicoya.aspx dead A tsunami warning was issued for neighbouring countries along the Pacific Coast shortly afterwards, but later cancelled.http://worldnews.nbcnews.com/_news/2012/09/05/13681490-usgs-major-earthquake-hits-costa-rica-tsunami-warning-issued?lite USGS: Major earthquake hits Costa Rica, tsunami warning issued; c.2012 World News on NBCNEWS.com Worldnews.nbcnews.com 2012-10-24 2012-11-09
thumb|USGS ShakeMap for the event
In neighbouring Nicaragua, the Nicaraguan Institute of Territorial Studies began monitoring the seven active volcanoes in the country, expecting that the strong earthquake could activate them. The country's highest volcano, San Cristóbal Volcano (1,745 metres), erupted on September 8, sending an ash cloud to 5,000 metres and forcing the evacuation of 3,000 people from five communities in the area.Nicaragua’s San Cristóbal volcano erupts https://web.archive.org/web/20120911013840/http://www.ticotimes.net/Current-Edition/News-Briefs/Nicaragua-s-San-Cristobal-volcano-erupts_Saturday-September-08-2012 September 11, 2012 The Tico Times, 2012-09-08.
Aftershocks
Some 1,650 aftershocks occurred in the following five days, including one of 5.4 magnitude, or w y 5.7 by USGS,https://earthquake.usgs.gov/earthquakes/eventpage/usc000cj5l M5.7 – 8km ENE of Hojancha, Costa Rica 2012-09-08 20:29:31 UTC Comcat.cr.usgs.gov 2012-11-09 about 13 km southeast of Playa Sámara on September 8 at 20:29 UTC (14:29 local time), according to OVSICORI, with no further damage or casualties reported.http://www.ovsicori.una.ac.cr/index.php?option=com_wrapper&view=wrapper&Itemid=77 Sismicidad Mensual Ovsicori.una.ac.cr 2012-11-09
The most powerful aftershock since the September earthquake, lasting at least 30 seconds and measuring magnitude 6.6, struck at 00:45 UTC on 24 October 2012 (18:45 on 23 October, locally) near the town of Hojancha in the Nicoya Peninsula.Réplica de terremoto de Nicoya causó gran alarma en el país https://web.archive.org/web/20121024093217/http://www.nacion.com/2012-10-24/Sucesos/replica-de--terremoto-de-nicoya-causo-gran-alarma-en-el-pais-.aspx 2012-10-24 La Nación, 2012-10-24. esTemblor fuerte de 6.6 grados en Nicoya https://web.archive.org/web/20121030093056/http://www.nacion.com/2012-10-23/Sucesos/Temblor-fuerte-de-6-6-grados-en-Nicoya.aspx 2012-10-30 La Nación, 2012-10-23. esMagnitude-6.6 earthquake rocks Costa Rica on Tuesday night The Tico Times, 2012-10-23.M6.5 – 13km ENE of Hojancha, Costa Rica United States Geological Survey, 2012-10-23. In San José, people rushed to the streets out of fear. A thunderous sound accompanying the aftershock was reported by residents in Matapalo.http://www.milenio.com/cdb/doc/noticias2011/00eff9b81caf08a6aede199fbf5a34e0 https://archive.today/20130128190302/http://www.milenio.com/cdb/doc/noticias2011/00eff9b81caf08a6aede199fbf5a34e0 dead 2013-01-28 Temblor de 6.5 sacude Costa Rica Milenio.com 2012-11-09
Damage
There were reports of homes destroyed in the cantons of Hojancha, Nicoya, Nandayure, and Santa Cruz of the province of Guanacaste.http://www.nacion.com/2012-09-06/ElPais/sismo-destruyo-viviendas-en-varios-cantones-de-guanacaste-y-alajuela--.aspx Sismo destruyó viviendas en varios cantones de Guanacaste y Alajuela – EL PAÍS – La Nación Nacion.com 2012-09-06 2012-11-09 2012-09-25 https://web.archive.org/web/20120925071449/http://www.nacion.com/2012-09-06/ElPais/sismo-destruyo-viviendas-en-varios-cantones-de-guanacaste-y-alajuela--.aspx dead Building damage was reported in San José, including broken windows, cracks on walls, and materials detached from the buildings. In the city center of San José, many people stopped working and grouped on the streets waiting for safety checks for the buildings.http://www.nacion.com/2012-09-05/Sucesos/temblor-causo-danos-en-algunos-edificios-de-san-jose.aspx Temblor causó daños en algunos edificios de San José – SUCESOS – La Nación Nacion.com 2012-09-05 2012-11-09 2013-06-19 https://web.archive.org/web/20130619031851/http://www.nacion.com/2012-09-05/Sucesos/temblor-causo-danos-en-algunos-edificios-de-san-jose.aspx dead In total, at least 169 houses were damaged.http://www.nacion.com/2012-09-07/ElPais/Recuento--169-casas-danadas-y-260-personas-en-albergues.aspx Recuento: 169 casas dañadas y 260 personas en albergues – SUCESOS – La Nación Nacion.com 2012-11-09 2012-09-09 https://web.archive.org/web/20120909210313/http://www.nacion.com/2012-09-07/ElPais/Recuento--169-casas-danadas-y-260-personas-en-albergues.aspx dead Cracks were found at the dyke protecting Filadelfia from the Tempisque River. The Hospital Monseñor Sanabria in Puntarenas suffered damage, and the building was partially closed.http://www.telenoticias7.com/detalle_nacionales.php?id=145011 Telenoticias7/Nacionales Telenoticias7.com 2012-11-09
School classes were cancelled for one day in stricken areas and students were evacuated.http://www.nacion.com/2012-09-05/Sucesos/MEP--suspende-clases-en-la-zona-de-influencia-del-temblor.aspx MEP suspende clases en la zona de influencia del temblor – SUCESOS – La Nación Nacion.com 2012-09-05 2012-11-09 2012-10-06 https://web.archive.org/web/20121006140953/http://www.nacion.com/2012-09-05/Sucesos/MEP--suspende-clases-en-la-zona-de-influencia-del-temblor.aspx dead Fifty-five thousand people were deprived of running water in the provinces of Puntarenas and Guanacaste.http://www.diarioextra.com/2012/setiembre/06/nacionales20.php 55 MIL SIN AGUA Y 21 MIL SIN LUZ DiarioExtra.com 2012-11-09 https://archive.today/20130121163139/http://www.diarioextra.com/2012/setiembre/06/nacionales20.php 2013-01-21 dead A water tank in Filadelfia collapsed. Power losses were reported in some areas in and around the capital city San José and in the Nicoya Peninsula and the Chira Island.http://www.nacion.com/2012-09-05/Sucesos/Fuerza-y-Luz--ya-restablecio--fluido-electrico-en--zonas-afectadas-luego-de-temblor.aspx Fuerza y Luz ya restableció fluido eléctrico en zonas afectadas luego de temblor – SUCESOS – La Nación Nacion.com 2012-11-09 2013-06-19 https://web.archive.org/web/20130619031826/http://www.nacion.com/2012-09-05/Sucesos/Fuerza-y-Luz--ya-restablecio--fluido-electrico-en--zonas-afectadas-luego-de-temblor.aspx dead https://www.telegraph.co.uk/news/worldnews/centralamericaandthecaribbean/costarica/9523201/Tsunami-warning-issued-after-Costa-Rica-earthquake.html Tsunami warning issued after Costa Rica earthquake The Daily Telegraph 2012-09-05 2012-11-09 London GSM and 3G services were interrupted in some places near the epicentre.http://www.nacion.com/2012-09-05/Sucesos/ICE-reporta-afectacion-en-telefonia-GSM-y-3G-y-zonas-cerca-del-sismo-sin-luz.aspx ICE reporta afectación en telefonía GSM y 3G y zonas cerca del sismo sin luz – SUCESOS – La Nación Nacion.com 2012-11-09 2013-06-19 https://web.archive.org/web/20130619033334/http://www.nacion.com/2012-09-05/Sucesos/ICE-reporta-afectacion-en-telefonia-GSM-y-3G-y-zonas-cerca-del-sismo-sin-luz.aspx dead
Relief and reconstruction
Following the earthquake, the Ministry of Public Education announced that 56 schools in the country would have to be demolished and rebuilt at a preliminary cost of ₡3 billion (US$6 million). The final bill will be higher, however, because many other schools suffered lesser damage which also requires repair.MEP deberá reconstruir 56 escuelas a raíz del terremoto https://web.archive.org/web/20121231101502/http://www.nacion.com/2012-09-10/Portada/MEP-debera-reconstruir-56-escuelas-a-raiz-del-terremoto.aspx 2012-12-31 La Nación, 2012-09-10. The Costa Rican Red Cross deployed emergency teams with about 205 members and 66 vehicles.DREF operation n° MDRCR010 GLIDE n° EQ-2012-000160-CR http://adore.ifrc.org/Download.aspx?FileId=30754 International Federation of Red Cross and Red Crescent Societies 2012-09-07 According to a preliminary estimation from the Costa Rican government, the earthquake caused a loss of about ₡22.36 billion (US$44.8 million).http://www.nacion.com/2012-09-19/ElPais/Gobierno-estima-danos-por-terremoto-en--22-000-millones.aspx Gobierno estima daños por terremoto en ¢22.000 millones – EL PAÍS – La Nación Nacion.com 2012-09-19 2012-11-30 2012-11-02 https://web.archive.org/web/20121102073107/http://www.nacion.com/(S(ekugbn55pebs0h2ug1pdiw4o))/2012-09-19/ElPais/Gobierno-estima-danos-por-terremoto-en--22-000-millones.aspx dead Facing the damage, the president of Costa Rica expressed the need of a loan from the World Bank.http://www.prensalibre.cr/lpl/nacional/70523-informes-determinaran-monto-de-prestamo-para-afrontar-danos-de-terremoto.html Informes Determinarán Monto De Préstamo Para Afrontar Daños De Terremoto Prensalibre.cr 2012-11-30 https://archive.today/20130210031649/http://www.prensalibre.cr/lpl/nacional/70523-informes-determinaran-monto-de-prestamo-para-afrontar-danos-de-terremoto.html 2013-02-10 dead
See also
List of earthquakes in 2012
List of earthquakes in Costa Rica
References
External links
601675877
Earthquake
Category:2012 earthquakes
2012 earthquake
2012
Category:September 2012 in North America
Category:Tsunamis in Costa Rica