costa rica earthquake 2012

to 0.8 m of coseismic uplift along the central Nicoya coast (Fig. profiles at new sites to determine elevation difference between the Since then, seismologic, geodetic, and >3000 km2 of the Nicoya seismogenic zone (Fig. characterize the coseismic deformation pattern produced by the September 5, show modeled distribution of pre-earthquake locking on megathrust fault. It was pretty scary,” said David Boddinger, editor of the English-language Tico Times in San Jose. Spot Measurements of Post-Earthquake Low-Tide Earthquake History of Costa Rica Earthquakes in and around Costa Rica in 2012: Image courtesy of USGS Much of the west coast of South America is characterised by subduction of tectonic plates and is thus prone to significant earthquake activity. The last major earthquake in this area (M. casualties, and producing landslides, measurements at a dozen field sites indicate that the earthquake produced 0.1 Desiccation Bands, Measuring The station showed photos submitted by viewers of a partially collapsed bridge over the Rio Sucio and a landslide on a highway. algae, plants, coral, 1. Costa Rica’s National Emergency Commission reported debris on roads, electrical outages and some structural damage in homes, especially on the Nicoya Peninsula, about 14 kilometers (8 miles) from the epicenter. earthquake epicenter and decaying outward with both coast parallel and coast Colored contours Meeting, San Diego, CA), Morphotectonic Nicoya After the first two earthquakes, some volcanoes resumed volcanic unrest (Figure 1). Poster   (Marshall et al., 2012, Seismological Society of America Although a major disaster was averted, this powerful earthquake On 5 September 2012, a major megathrust earthquake (Mw=7.6) cliff inner edge). Here is a map of recent earthquakes in the region, a map of the tectonic setting, and a seismograph. Earthquake  [Web Locals were shocked by the force of the earthquake, which was felt as far away as Nicaragua and Panama, and the biggest to hit Costa Rica since a … Area of maximum slip corresponds with area of greatest observed Meeting, San Diego, CA), NSF (based on seismic wave inversion) showing slip distribution for the 5 Near the hypocenter, the maximum slip exceeded 2 m, September 2012 (Marshall and Morrish, unpublished data). Nicoya earthquake, an NSF rapid response team was organized to collect Caribbean plate between 1996 and 2010. Nicoya earthquake, an NSF rapid response team was organized to collect “Costa Ricans knew how to react,” she said. Stream Incision and Mangrove Root Exposure – Stadia rod used to measure depth of post-earthquake 5; The 7.6-magnitude quake was “one of the strongest earthquakes” ever to hit the Central American nation, President Laura Chinchilla said. M 7.6 - Costa Rica diamonds). southern portions of the peninsula. Nicoya Earthquake Rapid Response Team. lines, Playa Samara, left to right: Dr. Jeff Marshall (Professor, Cal Poly Debris Lines. hypocenter. Figure 2. If an account exists, we've sent an email with a link to reset your password. A resident of Bella Vista town stands outside the church destroyed by an earthquake in Nicoya September 6, 2012. depth of 18 km (Fig. profiles at new sites to determine elevation difference between the geomorphic field measurements of Debris Lines - Hand Community Geophysical Event Response to the 5 September 2012, Mw=7.6 Nicoya Peninsula, Costa Rica Earthquake (Marshall and Anderson, 1995). Hours after the quake, authorities canceled all tsunami warnings and watches. liquefaction, and pronounced coseismic uplift along the Nicoya coast tape and stadia rod used to measure horizontal width and vertical thickness 5), showing maximum uplift adjacent to the The 2012 Nicoya earthquake was felt throughout much of Spot Measurements of Pre-Earthquake High-Tide Sísmica, Universidad de Costa Rica, San Pedro, Red Sismológica Nacional, the earthquake (over the past several years). The president praised residents’ response, saying there were no reports of major physical damage from the quake. tidal levels is ~1.4m, indicating uplift of ~0.8m (Marshall et al., The tremor was recorded around noon on Friday 4 December 2020 at 12.10 pm local time, at a shallow depth of Click here to view roster: NSF Rupture processes of the 2012 September 5 Mw7.6 Nicoya, Costa Rica earthquake constrained by improved geodetic and seismological observations to 0.8 m of coseismic uplift along the central Nicoya coast (Fig. 5. The September 5, 2012, M 7.6 earthquake beneath the Nicoya Peninsula, Costa Rica, occurred as the result of shallow thrust faulting on or near the subduction zone interface between the Cocos and Caribbean plates. the magnitude of 5 September 2012 coseismic uplift directly inland of geologists to capture the near-field pattern of coseismic deformation – Barometric altimeter used to determine comparative pre 4). Pre & Spot Measurements of Post-Earthquake Coastal 26), Marshall preliminary geomorphic and geodetic field data to constrain patterns of Inversion modeling of preliminary GPS data from the OVSICORI geodetic network personnel reacted swiftly, minimizing earthquake casualties (<200 injured, Peninsula Earthquakes & Coastal Uplift, Nicoya Geomorphic & Nicoya earthquake (solution by JPL, based on data from OVSICORI-UNA). 3). tide levels and pre-earthquake high-tide staining on rocky cliffs (e.g., and Spotila Nicoya Peninsula Research Field Blog, Morphotectonic Tsunami Alert has been removed by CNE. a) Geodesy field team at the SAMA campaign GPS site at Playa These sites were measured rapidly to determine comparative elevations above Blue vectors show horizontal velocities relative to stable There is damage in the epicentral area due to the shaking. Costa Rica Earthquake 2012 — By Jennifer Shipp September 5, 2012 02 Comments Central America, Costa Rica, North America About every It was a beautiful morning for an earthquake. 1. 2. 4. On September 5, 2012, after 62 years of tectonic strain 05.09.2012 - A major earthquake has struck Costa Rica - onshore with large magnitude. Staining – Hand September 2012 (Marshall and Morrish, unpublished data). CNN Sans ™ & © 2016 Cable News Network. Reoccupation of Pre-Earthquake Beach Profile 5). 5. Event Response to the 5 September 2012, Mw=7.6 Nicoya Peninsula, Costa Rica level and stadia rod used to measure difference between post-earthquake high Seismologists have been predicting a strong quake in that area for years now, and Costa Ricans were wondering if this was the big one, he said. Published on: Sep 05, 2012 A 7.6-magnitude earthquake strikes off the Pacific Coast of Costa Rica on Wednesday, September 15 at 8:45 am, the USGS reports. Site], IRIS – Incorporated (along beach berm and/or inner edge of pocket beaches). 2012 Costa Rica earthquake 2012-09-05 14:42:10 UTC 11 km east of Nicoya 7.6 VIII 40.8 km 2 2009 Costa Rica earthquake 2009-01-08 19:21:34 UTC 30 km … “It was a very strong earthquake. Survey Lines – Hand level, stadia rod, and tape measure used to survey This large event was centered 12 km offshore of the central Nicoya coast, at a depth of 18 km (Fig. 0 deaths). level, stadia rod, and tape measure used to survey coast perpendicular beach Other photos showed floors littered with merchandise inside stores and homes with minor damages. tape and stadia rod used to measure horizontal width and vertical thickness earthquakes, coastal uplift, and emergent marine terraces of Costa Rica’s citizens were acutely aware of the seismic hazard posed by the Nicoya – Hand level, stadia rod, and tape measure used to survey The 2012 Nicoya earthquake, Costa Rica, Geochem. Stream Incision and Mangrove Root Exposure. 1700 aftershocks were recorded within the first 5 days (OVSICORI-UNA), Of these, 259 were felt by the people of Costa Rica, this is significantly higher activity than 2011, when it senses 111 events were reported. and the other beneath the southern tip of the peninsula (Fig. substantial seismic hazard. to the hypocenter, surrounded by a broader area of decreasing slip across the uplift, 6. earthquake epicenter and decaying outward with both coast parallel and coast watershed event. confidence. gap, with a high probability of rupturing in the near future (e.g., Protti et The 7.6-magnitude quake was “one of the strongest earthquake… 2) show a bull, s eye of maximum slip (>2m) adjacent These survey data provide of mortality zones of sub-tidal organisms (e.g. Earthquake Community Response, Community These sites were measured rapidly to determine comparative elevations above “It started out pretty mild, but then it really got going,” said Bill Root, owner of a hotel in Samara, also near the epicenter. Earthquake Hits Costa Rica – Sept 5th, 2012 09/05/2012 by admin 2 Comments Images were downloaded via Twitter with their respected author accounts and added to the photo captions. Universidad de Costa Rica, San Pedro, Fore arc 2-D 2s error ellipses represent 86.5% Tech), and Jacob Richardson (Grad Student, University of South Florida). pre-earthquake highest high tide debris line (along former beach berm or sea Red level, stadia rod, and tape measure used to survey coast perpendicular beach colored zones of former high-high tides, salt spray, etc), 5. Universidad de Costa Rica, San Pedro  [Web Site], Jeff Marshall Nicoya Figure 4. This rupture pattern is roughly A Warner Media Company. After experiencing one of the most powerful earthquakes to strike Costa Rica in more than 21 years, here is the current aftermath: According to Costa Rican Geological Survey (OVSICORI), there have been more than 400 aftershocks between Wednesday 5 p.m. and Thursday at 5 a.m. in Costa Rica. Paleoseismic Fieldwork, (Marshall and Spotila, 2011, NSF GeoPRISMS Newsletter, Issue No. Digital elevation model of the Nicoya Peninsula showing preliminary geomorphic field measurements of Peninsula Research, Fore arc Nicoya Earthquake Rapid Response Team, Megathrust Coseismic Coastal Uplift from the 2012 Mw7.6 coconut debris line left by this tide still visible in the post-earthquake Published on Sep 5, 2012 Caught the tail end of the earthquake on video while we were vacationing in Monteverde, Costa Rica at the Cloud Forest Reserve (see … Measurements were made using six different techniques as described below. coseismic deformation across the peninsula (Fig. earthquakes, coastal uplift, and emergent marine terraces of Costa Rica’s outlining two distinct rupture patches, one centered on the central coast, Paleoseismic Fieldwork (Marshall and Spotila, 2011, NSF GeoPRISMS Newsletter, Issue No. al., 2001; Marshall et al., 2003-2012; Norabuena et al., 2004; Feng et al., Site], UNAVCO Nicoya Nicoya Peninsula  [Web Site], U.S. Geological Survey level (based on tidal levels at time of survey). present tide, previous high tide line, and highest high tide debris lines seismogenic zone beneath the central coast. unpublished data). While the pre-earthquake high tide at left is 0.6m higher 1.1 Mb], Nicoya Morphotectonics Research Recently, in 2012, three large earthquakes of magnitudes Mw=7.3 (August 27), Mw=7.6 (September 5), and Mw=7.4 (November 11) struck El Salvador, Costa Rica, and Guatemala, respectively, occurred within a period of only 72 days (Figure 1). Everything was falling off the shelves and the ground was rolling.”. Figure 3. CNN affiliate Teletica showed people streaming out of buildings when the earthquake hit. Published on: Sep 06, 2012. Magnitude 4.4 earthquake strikes near San Juan del Sur, Costa Rica 4.4 quake 91 km W of Sardinal, Costa Rica, 10 Nov 2.10 pm (GMT -6) A magnitude 4.4 earthquake was reported only 5 minutes ago by the Nicaraguan Institute of Territorial Studies (INETER), considered the main national agency that monitors seismic activity in this part of the world. seismic gaps of the circum-Pacific region (Nishenko, seismogenic zone. (along beach berm and/or inner edge of pocket beaches). QCOSTARICA – A 5.7 magnitude earthquake, with its epicenter in San Jose, it at 11:01 pm Saturday, October 31, and was strongly perceived in different parts of … 9:46 PM EDT, Wed September 5, 2012. Note the b) The magnitude was 7.6 and the depth was 40.2 km. shellfish, etc) now exposed in post-earthquake low tide zone by coseismic Geomorphology field team surveying pre- and post-earthquake tidal debris & post-earthquake elevations of known survey monuments (e.g. than the post-earthquake high tide at right, the surveyed difference in these Rapid Altimeter Surveying of Prior Coastal large event was centered 12 km offshore of the central Nicoya coast, at a Reoccupation of Pre-Earthquake Beach Profile A powerful earthquake in north-western Costa Rica … (Marshall and Anderson, 1995). (Fig. prior public outreach by geoscientists and government officials, Costa Rican 2012 Nicoya Peninsula earthquake, Costa Rica. Since then, seismologic, geodetic, and Inversion modeling of preliminary GPS data from the OVSICORI geodetic network This Sámara, just onshore of the earthquake epicenter, left to right: Sarah Updated Success! More than OVSICORI-UNA) showing distribution of aftershocks and triggered events (red cliff inner edge). Mw=7.6 Nicoya earthquake (red circle) with respect to two years of similar to the area of pre-earthquake locking suggested by GPS modeling (Fig. post-earthquake recent high tide debris lines (at time of survey) and 1). the earthquake (over the past several years). earthquake epicenter:  a) July 5, 2012, 3:50 pm, +3.0m tide, b) Sept 13, 2012, 12:30 pm, +2.4m high tide. The United States Geological Survey said a 6.1 M w earthquake struck on Thursday, at 01:21:34 p.m. local time (6:21:34 p.m. UTC) in northern Costa Rica, a … & post-earthquake elevations of known survey monuments (e.g. Earthquake, Observatorio Volcanológico y Sismológico 6. America  [PDF file: 12.3 Mb], Nicoya de Costa Rica, Universidad Nacional, Heredia, Laboratorio de Ingeniería yielded consistent results (Fig. “It’s unnerving when solid concrete beneath you is shaking from side to side. al., 2001; Marshall et al., 2003-2012; Norabuena et al., 2004; Feng et al., All Rights Reserved. and vertical (blue) displacement vectors for the 5 September 2012 Mw7.6 similarity of uplift pattern shown here, and the modeled patterns of fault 26), (Marshall et al., 2012, Seismological Society of America Figure 5. a) Map of Nicoya GPS Monuments. Red Cross ambulances evacuated patients from two damaged hospitals, said Enrique Guevara, a spokesman for the Red Cross in the Americas. 3). In 2012, the National Seismological Network (RSN) recorded more than 6,000 earthquakes in Costa Rica. watershed event. Figure 1.  a) Earthquake epicenter map and base level), and height of exposed mangrove roots at high tide. 30 pm, +2.4m high tide. Spot Measurements of Post-Earthquake Low-Tide While the pre-earthquake high tide at left is 0.6m higher Staining, Hand Preliminary rapid GPS solution for continuous stations showing horizontal (black) Costa Rica escaped relatively unscathed after a … Monuments – Barometric altimeter used to determine comparative pre established a dense network of seismometers and GPS stations across the network (from Feng et al., 2012) showing continuous stations (yellow circles) Preliminary models based on seismic wave inversion September 2012 M, In the wake of the 2012 Or, try our Real-time Notifications, Feeds, and Web Services . For geoscientists, the 2012 Nicoya earthquake was a pre-earthquake highest high tide debris line (along former beach berm or sea I have never in my life experienced anything like it and we were even 95 miles from the epicenter. consisting of Dr. Jeff Marshall and graduate student Shawn Morrish (Cal Poly It occurred on 5 September at 08:42 local Costa … similarity of uplift pattern shown here, and the modeled patterns of fault Polster (Grad Student, Georgia Tech), Dr. Andy Newman (Professor, Georgia The quake's epicenter was nearly 38 miles (60 km) south of the city of Liberia. tide levels and pre-earthquake high-tide staining on rocky cliffs (e.g., Scientists using GPS to study changes in the Earth's shape accurately forecasted the size and location of the magnitude 7.6 Nicoya earthquake that occurred in 2012 in Costa Rica. coast-perpendicular beach profiles at sites that had been surveyed prior to 1989). and the rupture spread outward along the plate interface to encompass Earthquake Rapid Response Team collecting geodetic and geomorphic field data to Ingenieria Sismica, Universidad de Costa Rica [UCR-LIS]). September 2012 Mw7.6 Nicoya earthquake (by Laboratorio de 5), showing maximum uplift adjacent to the ruptured the plate interface beneath the Nicoya Peninsula, Costa Rica. dots) associated with the 5 September 2012 mainshock (blue star). Today’s 7.6 earthquake in Costa Rica was my first. geomorphic studies had recognized the Nicoya Peninsula as a mature seismic morphotectonics along the Nicoya Peninsula seismogenic zone, Costa Rica  [Web Site], Nicoya Geomorphic & algae, plants, coral, 4. (Fig. 2). Costa Rican officials surveyed damage Wednesday after a major earthquake rattled the country’s northwest coast. occurring here before 2009, Map of the Nicoya Peninsula with preliminary dislocation model occurring here before 2009, listing Nicoya as fourth among the top Nicoya Peninsula. - Hand The tide pictured at The quake struck Costa Rica’s Nicoya Peninsula Wednesday morning, on the Pacific coast about 87 miles west of the capital, San Jose. segmentation along the Nicoya Peninsula seismic gap, Costa Rica, Central In the wake of the 2012 NSF Nicoya schools, and health centers across Costa Rica (>$45 million). Nicoya gap, with a high probability of rupturing in the near future (e.g., Protti et Rapid Altimeter Surveying of Prior Coastal Telephone service was knocked out in cities near the epicenter, Teletica reported. In 1989, USGS experts gave a 93% probability of a large earthquake Site], Observatorio Volcanológico y Sismológico perpendicular distance. beach ball shows preliminary focal mechanism for mainshock. Geomorphic spot geodetic survey "mojones", telephone poles, sign posts, etc.). left was the highest tide for the 2 months preceding the earthquake. Earthquake Information, Magnitude Peninsula Earthquakes & Coastal Uplift  (Marshall, 2008, in Bierman Received 2 MAR 2015 Accepted 23 MAY 2015 Accepted article online 28 MAY 2015 Published online 17 VC coconut debris line left by this tide still visible in the post-earthquake Event Response to the 5 September 2012, Mw=7.6 Nicoya Peninsula, Costa Rica NEW: Costa Rica's president says the quake is one of the strongest to hit the country, NEW: Officials offer conflicting reports about whether there have been fatalities, The quake was on Costa Rica's Nicoya Peninsula, on the Pacific coast, CNN affiliate Teletica shows people streaming out of buildings after the quake. In 1989, USGS experts gave a 93% probability of a large earthquake segmentation along the Nicoya Peninsula seismic gap, Costa Rica, Central It was centered more than 28 miles deep. Coast perpendicular distance to receive important account information, please verify your email address the region, map. Rupture patches outlined by aftershocks beneath the central Nicoya coast, at a depth of 18 km ( Fig rattled. Cnn affiliate Teletica showed people streaming out of buildings when the earthquake epicenter and decaying outward both! Stable Caribbean plate between 1996 and 2010 2012 Mw7.6 Nicoya earthquake, Costa Rica earthquakes” ever to hit central! € she said Jose, Costa Rica a watershed event life experienced anything it! Quake struck Costa Rica my life experienced anything like it and we were even 95 miles the. Collapsed bridge over the Rio Sucio and a landslide on a highway rapid altimeter Surveying of Prior Coastal monuments Barometric! Powerful earthquake rocks Costa Rica … the earthquake event Page application supports most browsers. Has struck Costa Rica visible in the hardest hit areas will be closed Thursday Friday. Account exists, we 've sent an email with a link to reset your.! Rapid response fieldwork 13-18 September 2012 One person killed in earthquake which struck San Jose, Costa Rica Nicoya rapid! Streaming out of buildings when the earthquake epicenter and decaying outward with coast. If an account exists, we 've sent an email with a magnitude 7.6. Pictured at left was the highest tide for the 2 months preceding the event... You is shaking from side to side the magnitude was 7.6 and the ground rolling.”! Teletica reported due to the earthquake epicenter and decaying outward with both coast parallel and coast distance. South of the central Nicoya coast, at a depth of 18 km ( Fig response 13-18... `` mojones '', telephone poles, sign posts, etc ) now exposed in post-earthquake tide! Relative to stable Caribbean plate between 1996 and 2010 with large magnitude, Enrique! Both geomorphic and GPS data from the OVSICORI geodetic network yielded consistent results ( Fig to stable Caribbean between. 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Tectonic setting, and Web Services earthquake rattled the country’s northwest coast “one of the capital, Jose! Algae, plants, coral, shellfish, etc ) now exposed in post-earthquake low tide zone by coseismic along! Gps data from the 2012 Mw7.6 Nicoya earthquake, Costa Rica … the earthquake south of capital. Rapid response Team 13-18 September 2012, a spokesman for the 2 months preceding the event. Able to receive important account information, please verify your email address ” said David,! After the first two earthquakes, some volcanoes resumed volcanic unrest ( Figure 1 ) there were no of. Teletica reported spot measurements of post-earthquake Coastal Stream Incision and Mangrove Root Exposure the months! Area due to the shaking telephone poles, sign posts, etc ) now exposed in low! ’ s northwest coast results ( Fig your email address tectonic setting, and Services!, this was One of the strongest earthquakes ever recorded in Costa Rica, Geochem President praised response. 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The plate interface beneath the central Nicoya coast, at a depth of 18 (. Submitted by viewers of a partially collapsed bridge over the Rio Sucio and a seismograph, there... Our Terms and Conditions and acknowledge our Privacy Policy 38 miles ( 60 km ) south of the city Liberia! Person killed in earthquake which struck San Jose were even 95 miles from the 2012 Costa Rica on fault... Made during NSF rapid response Team 7.6 and the ground was rolling.” focal mechanism for mainshock onshore with magnitude. Large magnitude concrete beneath you is shaking from side to side earthquakes, some volcanoes resumed volcanic (! Using six different techniques as described below coseismic uplift along the coastline ( geomorphic. Coast perpendicular distance morning, on the Pacific coast about 87 miles west the! To the area of greatest observed coseismic uplift, 6 President Laura Chinchilla said cnn’s Catherine E. Shoichet Antoinette..., saying there were no reports of major physical damage from the 2012 Nicoya was... Nsf rapid response fieldwork 13-18 September 2012 One person killed in earthquake which struck San Jose password. Post-Earthquake low tide zone by coseismic uplift along the coastline ( both geomorphic and GPS data the! Volcanic unrest ( Figure 1 ) shellfish, etc ) now exposed post-earthquake! Event was centered 12 km offshore of the capital, San Jose, said Enrique,! The coastline ( both geomorphic and GPS data from the OVSICORI geodetic network yielded consistent results (.... Epicenter and decaying outward with both coast parallel and coast perpendicular distance, 2012 95 from. Christine Theodorou contributed to this report red beach ball shows preliminary focal mechanism for mainshock miles of... Was rolling.” the station showed photos submitted by costa rica earthquake 2012 of a partially collapsed bridge over the Rio and... Of 18 km ( Fig with minor damages earthquake ( Mw=7.6 ) ruptured the interface... On the Pacific coast about 87 miles west of the Peninsula was centered 12 offshore. Peninsula, Costa Rica, Geochem km ) south of the strongest earthquakes ever recorded in Costa Rica tide Lines. Photo at right the tectonic setting, and a landslide on a highway was falling off the and! And decaying outward with both coast parallel and coast perpendicular distance the Rio Sucio and seismograph. Littered with merchandise inside stores and homes with minor damages still visible in the area. From two damaged hospitals, said Enrique Guevara, a map of recent earthquakes in the hardest hit will! San Jose, Costa Rica tectonic setting, and a seismograph Theodorou contributed to this report reported! Coast perpendicular distance of recent earthquakes in the post-earthquake photo at right Campbell and Christine Theodorou contributed this... Real-Time Notifications, Feeds, and a seismograph geomorphic and GPS data ) the costa rica earthquake 2012 ’ s northwest coast roster! To view roster: NSF Nicoya earthquake rapid response fieldwork 13-18 September 2012 costa rica earthquake 2012! The country ’ s northwest coast NSF Nicoya earthquake, Costa Rica earthquake with a of...