A strong 7.2-magnitude earthquake struck the center … The epicenter is located at the latitude and longitude of 31.57 o S and 71.67 o W, and the focal depth is 22.4 km. Accessed September 29, 2015. 2016). Central Chile Earthquake and Tsunami, September 16, 2015 The magnitude 8.3 Mw Central Chilean earthquake, 46km W of Illapel, Chile (31.570 S, 71.654 W depth=25.0 km) occurred at 2255 UTC and generated a tsunami that was observed … On September 16, 2015 at 19:54 hrs (local time) a magnitude 8.3 earthquake took place off the coast of the Coquimbo Region in central Chile. The Mw 8.3 Illapel earthquake of Spetember 16, 2015, ruptured the Nazca-South America subduction zone for ~200 km along-strike distance. Recent studies (e.g., Dura et al. NASA Earth Observatory (2015, May 14) Sensing How Much the Moved in Nepal. 2016; Barnhart et al. Combining GPS displacement measurements, InSAR … On 2015 September 16, the Mw 8.3 Illapel earthquake (Ye et al. The 16 September 2015 earthquake occurred as a result of thrust faulting on the interface between the Nazca and South America plates in Central Chile. This volume presents a collection of contributions that were published in "Pure and Applied Geophysics - pageoph" and which deals with the major earthquake that hit Illapel, Chile on September 16, 2015 with magnitude 8.3, and associated trans-oceanic tsunami. C628 02:11, 23 September 2015 (UTC) Most of the news sources in English are calling it the "Chile earthquake". 2015-09-16 23:18:41 UTC 7.0 magnitude, 28 km depth Illapel, Coquimbo, Chile 7.0 magnitude earthquake 2015-09-16 23:18:41 UTC at 23:18 September 16, 2015 UTC [9] This synchroneity is indicated by sand sourced from the lower layer which has been preserved as a thin plume deformed in the downcurrent, i.e. On 16 September 2015, the Chilean margin produced another great earthquake which nucleated near the coast of the Coquimbo province in central Chile and grew into a rupture with moment magnitude (M W)of8.2(GCMTandGEOFON)to8.3(U.S.GeologicalSurvey,USGS).Theearthquakecausedasizeable This page is meant to be a collection of preliminary information, results & visualizations for the seismology research community. © 2017 Elsevier B.V. All rights reserved. Chile Earthquake Devastates Port City The magnitude 8.3 quake on Wednesday night left extensive damage in Coquimbo, north of … The 2015 Illapel earthquake (M w 8.3) occurred off central Chile on September 16, and generated a tsunami that propagated across the Pacific Ocean. On 16 September 2015, a Mw 8.3 earthquake ruptured the subduction zone offshore of Illapel, Chile, generating an aftershock sequence with 14 Mw 6.0–7.0 events. Sand used in construction of the embankment was redistributed across the beach as an outflow deposit. The 2015 Illapel earthquake occurred 46 km (29 mi) offshore from Illapel (Coquimbo region, Chile) on September 16 at 19:54:33 Chile Standard Time (22:54:33 UTC), with a moment magnitude of 8.3. The main event triggered tsunami waves that damaged structures along We apply the method to a synthetic case of the 2015 M w 8.4 Illapel Chile earthquake and show that it is possible to obtain an accurate tsunami forecast … The MW=8.2 Illapel earthquake occurred in the Metropolitan segment north of where the Juan-Fernandez ridge meets the Chile trench and subduction style and geometry change over a short distance. Post-tsunami field surveys in the wake of major subduction zone earthquakes have proven to be a crucial... 2. The September 16, 2015 M 8.3 earthquake west of Illapel, Chile, occurred as the result of thrust faulting on the interface between the Nazca and South America plates in Central Chile. On September 16ht, 2015, an earthquake registering 8.4 on the Richter scale shook Chile between the Atacama and La Araucanía regions. The September 16, 2015 Illapel, Chile earthquake triggered a large tsunami, causing both economic losses and... Introduction. Tectonic Setting. Other sediment layers show sand diapirs intruding up to 15 cm into the overlying tsunami deposit. On 16 Sep 2015, a catastrophic earthquake hit the coast of Chile, causing some damage to buildings, but much of the impact due to 4.5m waves affecting Coquimbo. A wealth of scientific contextual information about this 2015 “Illapel” earthquake was quickly and impressively assembled by Mika McKinnon at io9. Here we use interferometric synthetic aperture radar and Global Position System observations to map the distribution of coseismic slip of the 2015 M w 8.3 Illapel, Chile, earthquake and afterslip within the first 38 days following the earthquake. The 2015 Illapel earthquake (M w 8.3) occurred off central Chile on September 16, and generated a tsunami that propagated across the Pacific Ocean. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. The sediments have erosive basal surfaces with an amplitude of up to 50 cm. Copyright © 2021 Elsevier B.V. or its licensors or contributors. On the seaward side granite boulders of up to 2 t were ripped out of the coastal road embankment and transported onto the beach. At Coquimbo and La Serena (c. 30°S) the tsunami attained large wave heights on the order of 4.5 m leading to flooding and destruction of infrastructure including the coastal road. (data current as of 09/24/2015). The 2015 Illapel earthquake sequence in Central Chile, occurred along the subduction zone interface in a known seismic gap, with moment magnitudes of M w 8.3, M w 7.1, and M w 7.6. Massive deadly earthquake near Illapel (Coquimbo coast), Chile - at least 16 people killed - Pacific Ocean tsunami September 16, 2015 by Armand Vervaeck and Dr. James Daniell Earthquake-report.com only survives with (mostly small) PRIVATE DONATIONS . The earthquake hit just before 8 p.m. (7 p.m. EDT) west of Illapel, about 177 miles north of Santiago, and was felt more than 2,000 miles away, according to the New York Times. 2016) ruptured a 200 km long stretch of the Central Chilean subduction zone (Fig. 1998). As part of its Learning from Earthquakes Program (LFE), the Earthquake Engineering Research Institute (EERI) is responding to the M8.3 earthquake that struck 46 km west of Illapel, Chile on September 16, 2015. Cross-beds in the lower four layers indicate deposition from tsunami inflow, cross bedding in the second layer from the top layer records outflow. From its magnitude, areal extent and associated tsunami, the 2015 earthquake seems to mimic the 1943 event (inlay, Fig. First published on Wed 16 Sep 2015 19.26 EDT. The Earthquake Event Page application supports most recent browsers, view supported browsers.Or, try our Real-time Notifications, Feeds, and Web Services.Real-time Notifications, Feeds, and Web Services. The September 16, 2015 M 8.3 earthquake west of Illapel, Chile, occurred as the result of thrust faulting on the interface between the Nazca and South America plates in Central Chile. Water escape structures occur as small sand diapirs and volcanoes. At La Serena we observed a laminated package of tsunami deposits along a 20 m long trench perpendicular to the coast. On September 16, 2015, the convergent Chilean margin again experienced a great subduction megathrust earthquake. Water escape through small volcanoes appears to have been coeval to formation of the overlying layer by traction deposition. ... A woman walks over rubble next to a cemetery after an earthquake in Illapel, north of Santiago, Chile, on Sept. 17, 2015. transcript. This volume presents a collection of contributions that were published in "Pure and Applied Geophysics - pageoph" and which deals with the major earthquake that hit Illapel, Chile on September 16, 2015 with magnitude 8.3, and associated trans-oceanic tsunami. On September 16, 2015, a Mw 8.3 earthquake occurred off the coast of central Chile, 46 km west of the town of Illapel.The quake caused a tsunami impacting the coast mainly between the towns of Caldera (c. 27°S) and Pichidangui (c. 32°S). The 2015 Mw 8.3 Illapel earthquake is located at the southern edge of the 1943 Mw 7.9 Illapel-Salamanca earthquake and to the north of the 1985 Ms 7.8 offshore Valparaiso earthquake rupture zone. The 2015 Illapel Earthquake in Chile: Initial Findings Barrientos, S. E. Abstract. Consequently, following the 2015 Mw 8.3 Illapel earthquake in central Chile, an exhaustive field campaign was carried out in the Coquimbo region to collect substantial perishable data … The quake caused a tsunami impacting the coast mainly between the towns of Caldera (c. 27°S) and Pichidangui (c. 32°S). Here I’ve used seismic data recorded in North America to image the source distribution of high-frequency energy radiated during this event using a method called back-projection. [1] [7] The initial quake lasted three minutes, [8] and was followed by several aftershocks greater than magnitude six. The area has last been hit by a great earthquake in 1943, estimated to be slightly … Illapel Mayor Denis Cortes told TV Chile that the town of around 30,000 was without power. According to reports, 15 died, and 14 were injured due to ground shaking. The Chilean government reported 15 deaths, 6 missing and thousands of people affected. Unfortunately there is absolutely no consistency to naming earthquake articles. The September 16, 2015 M 8.3 earthquake west of Illapel, Chile, occurred as the result of thrust faulting on the interface between the Nazca and South America plates in Central Chile. On 16 Sep 2015, a catastrophic earthquake hit the coast of Chile, causing some damage to buildings, but much of the impact due to 4.5m waves affecting Coquimbo. The September 16, 2015 Illapel tsunami, Chile – Sedimentology of tsunami deposits at the beaches of La Serena and Coquimbo 1. 1). In order to verify the validity of this assumption, the initial 1.5 months postseismic displacements following the 2015 M w 8.3 Illapel earthquake are analyzed based on a multilayered structure model. 2016; Barnhart et al. The abundance of cross beds and laminae suggests that deposition of sand from bed load traction currents was the prevailing mode of deposition. On September 16, 2015, the convergent Chilean margin again experienced a great subduction megathrust earthquake. 1998). The MW=8.2 Illapel earthquake occurred in the Metropolitan segment north of where the Juan-Fernandez ridge meets the Chile trench and subduction style and geometry change over a short distance. The tsunami was recorded on tide gauges and Deep-ocean Assessment and Reporting of Tsunami (DART) tsunameters in east Pacific. Illapel, an inland city of some 30,000 residents, was reported immediately to be without electricity or drinking water. The 2015 Illapel earthquake occurs at the region where the Nazca plate collides with the South American plate, which is the seismic active area in Chile (Shrivastava et al. The subducting Nazca plate beneath the The magnitude 8.3 Mw Central Chilean earthquake, 46km W of Illapel, Chile (31.570 S, 71.654 W depth=25.0 km) occurred at 2255 UTC and generated a tsunami that was observed throughout the Pacific and caused damage locally. Tsunami source and water heights over a tsunami travel time (TTT) map The initial … On September 16, 2015 an M8.3 earthquake occurred on a shallow angle thrust fault on the interface between the Nazca and South America plates near Illapel, Chile. Chile Earthquake Devastates Port City The magnitude 8.3 quake on Wednesday night left extensive damage in Coquimbo, north of Santiago, where a state of emergency was declared. According to initial reports from EERI members in the country, the earthquake shaking and subsequent tsunami alert led to the safe evacuation of more than one … The 2015 Chile earthquake occurred 46 km (29 mi) offshore from Illapel, Chile on September 16 at 19:54:33 Chile Standard Time (22:54:33 UTC), with a moment magnitude of 8.3. We report the results of a post-tsunami sedimentological field survey undertaken in October 2015 focussing on the beaches of Coquimbo and La Serena. A Study of the 2015 M w 8.3 Illapel Earthquake and Tsunami: Numerical and Analytical Approaches Abstract. People remain outside a building during a strong quake in Santiago on September 16, 2015. The recent Illapel earthquake (September 16, 2015) presents an ideal opportunity to understand the source process and how this in turn affects run-up behavior. Large-scale Acceleration of Slow Slip Before the 2015 Mw 8.4 Illapel, Chile Earthquake Hui Huang, & Lingsen Meng Submitted August 12, 2017, SCEC Contribution #7527, 2017 SCEC Annual Meeting Poster #064 Foreshocks and/or slow slip were observed to accelerate before some recent large earthquakes, e.g., the 2011 M 9.0 Tohoku-Oki and the 2014 M 8.2 Iquique earthquake. A quick breakdown from the New York Times explains some of the key reasons this magnitude 8.3 earthquake had such a modest human impact. Accessed September 29, 2015. https://doi.org/10.1016/j.margeo.2016.12.011. 12 deaths and 34+ injuries were reported. We use cookies to help provide and enhance our service and tailor content and ads. 1). The September 16, 2015 Illapel, Chile earthquake triggered a large tsunami, causing both economic losses and fatalities. Getty Images offers exclusive rights-ready and premium royalty-free analog, HD, and 4K video of the highest quality. Select from premium 2015 Illapel Earthquake of the highest quality. By continuing you agree to the use of cookies. The quake caused a tsunami impacting the coast mainly between the towns of Caldera (c. 27°S) and Pichidangui (c. 32°S). That parallels a longer piece from last April, which followed Chile’s prior great earthquake … Six aftershocks were also reported. The September 16, 2015 Illapel, Chile earthquake triggered a large tsunami, causing both … Grain size distributions are moderately well to well sorted and unimodal with modes between 1.3 and 2.0 Φ (medium sand). In order to verify the validity of this assumption, the initial 1.5 months postseismic displacements following the 2015 M w 8.3 Illapel earthquake are analyzed based on a multilayered structure model. Combining GPS displacement measurements, InSAR … The tsunami was recorded on tide gauges and Deep-ocean Assessment and Reporting of Tsunami (DART) tsunameters in east Pacific. transcript. The 2015 Illapel earthquake sequence in Central Chile, occurred along the subduction zone interface in a known seismic gap, with moment magnitudes of Mw 8.3, Mw 7.1, and Mw 7.6. On September 16, 2015 at 19:54 hrs (local time) a magnitude 8.3 earthquake took place off the coast of the Coquimbo Region in central Chile. On the landward side the tsunami distributed triangular concrete construction elements of the embankment across the coastal plain. Eight people have been killed and 1 million evacuated from their homes after a magnitude 8.3 earthquake struck just off the coast of … 2015-09-16 23:09:26 UTC 5.7 magnitude, 35 km depth Illapel, Coquimbo, Chile 5.7 magnitude earthquake 2015-09-16 23:09:26 UTC at 23:09 September 16, 2015 UTC A double source W phase moment tensor inversion consists of a Mw 7.2 subevent and the main Mw 8.2 phase. The assemblage of sedimentary structures indicates rapid deposition, from one or several waves associated with the tsunami event. In the earthquake region, the Nazca plate subducts eastward beneath the South American plate at a rate of 65 mm/yr. The 2015 Illapel earthquake occurred in a segment of the subduction zone that last ruptured in an M w 8.3 earthquake in 1943 (Beck et al. On 16 September 2015, an 8.3 M w earthquake happened 46 km (29 mi) offshore Illapel, Chile. Homes are damaged in Concon Chile some 110 kilometers northwest of Santiago on September 17 2015 after a massive earthquake hit the area on September... Debris litters a beach in Concon Chile some 110 kilometers northwest of Santiago on September 17 after a … The initial quake lasted between three and five minutes; it was followed by several aftershocks greater than magnitude six and two that exceeded 7.0 moment magnitude. The September 16, 2015 magnitude-8.3 earthquake west of Illapel, Chile, occurred as the result of thrust faulting on the interface between the Nazca and South America plates in central Chile. The 2015 Illapel earthquake, central Chile: A type case for a characteristic earthquake? The most recent occurred on September 16, 2015, when a magnitude 8.3 quake struck near the coast of central Chile along the boundary of the Nazca and South American tectonic plates. The September 16, 2015 Illapel tsunami, Chile – Sedimentology of tsunami deposits at the beaches of La Serena and Coquimbo. On September 21, officials were reporting over 9,000 people had been left homeless by the quake. On September 16, 2015, a Mw 8.3 earthquake occurred off the coast of central Chile, 46 km west of the town of Illapel. The deposit thickness varies between 10 and 50 cm. The Guardian (2015, September 25) How did Chile manage to survive its recent earthquake virtually unscathed? This page is meant to be a collection of preliminary information, results & visualizations for the seismology research community. Find professional 2015 Illapel Earthquake videos and stock footage available for license in film, television, advertising and corporate uses. The National Emergency Office (ONEMI, per its Spanish acronym) issued a tsunami warning for the entire … Abstract. The cities of Coquimbo and Concón reported flooding from a tsunami. Institut de Physique du Globe de Paris (2015) Earthquake offshore Illapel, Chile. The cities of Coquimbo and Concón reported flooding from a tsunami . The 2015 Illapel earthquake occurs at the region where the Nazca plate collides with the South American plate, which is the seismic active area in Chile (Shrivastava et al. It does not provide information on the height nor the strength Framework of the Illapel earthquake … On September 16, 2015 an M8.3 earthquake occurred on a shallow angle thrust fault on the interface between the Nazca and South America plates near Illapel, Chile. The sedimentary package consists of 6 mostly lenticular layers of variable thickness and spatial extent, ranging between dark laminae a few millimeters thick and rich in heavy minerals, and lighter colored sand layers up to 15 cm thick. 2015 and references within) suggest that the area is due The epicenter is located at the latitude and longitude of 31.57 o S and 71.67 o W, and the focal depth is 22.4 km. At Playa Changa, a beach at Coquimbo affected by the highest waves, the tsunami destroyed large parts of the coastal road embankments on both the seaward and landward sides. Central Chile Earthquake and Tsunami, September 16, 2015 The magnitude 8.3 Mw Central Chilean earthquake, 46km W of Illapel, Chile (31.570 S, 71.654 W depth=25.0 km) occurred at 2255 UTC and generated a tsunami that was observed throughout the Pacific and caused damage locally. The 2015 Illapel earthquake occurred 46 km (29 mi) offshore from Illapel (Coquimbo region, Chile) on September 16 at 19:54:33 Chile Standard Time (22:54:33 UTC), with a moment magnitude of 8.3. 2016). landward direction in the newly forming upper layer. The September 16, 2015 M 8.3 earthquake west of Illapel, Chile, occurred as the result of thrust faulting on the interface between the Nazca and South America plates in Central Chile. On September 16, 2015, a Mw 8.3 earthquake occurred off the coast of central Chile, 46 km west of the town of Illapel. In Buenos Aires, Argentina, a man died from a stroke The 2015 Illapel earthquake is part of a series of megathrust earthquakes with moment magnitudes greater than 8.0, which struck Central Chile over the past three hundred years. It is the planet's strongest quake of 2015 thus far. Introduction. Two days after the quake, about 90,000 people were still without electricity. On September 16, 2015, a magnitude 8.3 earthquake occurred offshore of Illapel, Chile along the interface between the subducting Nazca and overriding South America plates. Find the perfect 2015 Illapel Earthquake stock photos and editorial news pictures from Getty Images. On 16 September 2015, an 8.3 M w earthquake happened 46 km (29 mi) offshore Illapel, Chile. earthquakes. 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B.V. sciencedirect ® is a registered trademark of Elsevier B.V. sciencedirect ® is a registered trademark of Elsevier.! 16 September 2015, May 14 ) Sensing How Much the Moved in Nepal reports... 8.2 phase of sedimentary structures indicates rapid deposition, from one or several waves associated with the tsunami distributed concrete! Current as of 09/24/2015 ) 21, officials were Reporting over 9,000 people had been left by. Earthquake was quickly and impressively assembled by Mika McKinnon at io9 km long stretch of the quality! 30,000 was without power stock photos and editorial news pictures from getty Images 25 ) How did Chile to... Times explains some of the key reasons this magnitude 8.3 earthquake had a... Subevent and the main Mw 8.2 phase on 2015 September 16, 2015 Illapel, Chile earthquake a. Deposits at the beaches of La Serena and Coquimbo 1, 23 September,. Tsunami ( DART ) tsunameters in east Pacific told TV Chile that the town of around 30,000 was without.! 'S strongest quake of 2015 thus far layer records outflow region, the convergent Chilean margin again a! 2015 ( UTC ) Most of the embankment was redistributed across the beach, from one or waves... The largest to hit near that location in over 100 years mimic the 1943 event ( inlay,.. C. 32°S ) east Pacific 19.26 EDT from tsunami inflow, cross bedding in the earthquake was and! Φ ( medium sand ) we observed a laminated package of tsunami ( DART ) tsunameters in east.... To help provide and enhance our service and tailor content and ads to 50 cm Most of the Chilean.

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