maule earthquake usgs

The goal of this workshop was to share our scientific discoveries gleaned since the Maule earthquake, evaluate our community response to the earthquake, and to look forward to future directions. USGS is reporting M6.8 at a depth of 16.5 km (10 miles), EMSC M6.6 at a depth of 2 km (1.2 miles).. The 2010 Cauquenes earthquake was an earthquake that happened off the coast of Maule region of Chile, near Cauquenes, on February 27, 2010, at 3:34 local time (6:34 UTC ). The agency is reporting a depth of 30.9 km (19.2 miles). Immediately following the Maule earthquake, teams of geophysicists from Chile, France, Germany, Great Britain and the United States coordinated resources to capture aftershocks and other seismic signals . Maule earthquake. 2010 Chile earthquake 3:34 am local time 27 February 2010 M w 8.8 Fault rupture 100km x 500 km Population affected > 8M* 452 confirmed deaths** ~800,000 homeless ~$30B damages . strong‐motion recordings of the mw 8.8 maule earthquake were modeled using a compound rupture model consisting of (1) a background slip distribution with large correlation lengths, relatively low slip velocity, and long peak rise time of slip of about 10 s and (2) high stress‐drop subevents (asperities) on the deeper portion of the rupture with … The earthquake occurred on a locked megathrust fault resulting from oblique convergence of the oceanic Nazca plate subducting beneath the continental South American plate at ∼6.5 cm/yr [Kendrick et al., 2003].To date, the Maule event is the fifth largest earthquake since modern . Notable discrepancies exist in slip distribution and moment On 27 February 2010, a huge earthquake (Mw 8.8, USGS) happened in the Maule region, Chile, which is the eighth largest earthquake recorded in the history. The offshore Maule earthquake occurred on February 27, 2010, at 3:34 a.m. (local time) at the boundary between the Nazca and South American tectonic plates. Despite the magnitude of the earthquake, Chile suffered relatively little casualty rates and property damages. At the location of this event, the Nazca plate moves east-northeast relative to South America at a velocity of about 74 mm/yr. These kinds of large intraplate, inland crustal earthquakes are rare above the Chilean subduction zone, and it is important to better understand their relationship . This data release includes geodetic time series from high-rate GPS instruments recording 4 earthquakes co-seismically in the near-field the 2010 Maule, Chile earthquake; the 2012 Nicoya, Costa Rica earthquake; the 2014 Iquique, Chile earthquake; and the 2015 Gorkha, Nepal earthquake. There is no power and no reports coming out. The February 27, 2010, M 8.8 Chilean (Maule) earthquake occurred as the result of shallow thrust faulting generated at the gently sloping plate boundary fault that conveys the Nazca plate eastward and downward beneath the South America plate. Toward understanding tectonic control on the Mw 8.8 2010 Maule Chile earthquake. Related Papers. The M w 8.8 Maule, Chile, earthquake produced 31 usable strong motion recordings from currently accessible arrays over a rupture distance range of 30 to 700 km. Regional Information. It was felt in Beunos Aires. The cast-in-place, reinforced concrete building is 16 stories high, with 3 additional basement levels, and has dual system comprising multiple structural . Vertical lines are the times of big global earthquakes. The 27 February 2010 Maule, Chile (Mw=8.8) earthquake is one of the best instrumentally observed subduction zone megathrust events. The sudden motion along the fault displaces massive volumes of seawater creating a tsunami. 6.7 earthquake - South Pacific Ocean, 39 km west of Constitucion, Talca, Maule Region, Chile, on Monday, 14 February 2011 at 03:40 (GMT) The earthquake . The 27 February 2010 Maule, Chile, earthquake had a moment magnitude of 8.8 (USGS 2010). Japan and M8.8 Maule, Chile earthquakes. Pesicek, J. D., H. Zhang, and C. H. Thurber (2014), Multi-scale seismic tomography and earthquake relocation incorporating differential time data: application to the Maule subduction zone, Chile, Bulletin of the Seismological Society of America, 104(2). By most standards, the Maule earthquake was a catastrophe for Chile. Also, the epicenter is less than 20 km due east from that of the 1960 Valdivia earthquake. 2021-11-08 10:06:02 (UTC) 35.510°S 71.373°W. Site conditions range from firm rock to soft soil but are most often competent soil (NEHRP Category C or C/D). 97.1 km depth. Introduction [2] On February 27, 2010, a magnitude 8.8 earthquake struck off the coast of Maule, Chile. English Map on Chile about Coordination and Earthquake; published on 27 Feb 2010 by USGS It occurred on the subduction zone plate boundary at the Peru - Chile Trench where the oceanic Nazca Plate subducts beneath the continental South American Plate. GPS data have been collected from both campaign and continuous sites sampling both the near-field and far field. This unexpected effect was discovered in two unrelated studies that used satellite radar data (InSAR) to analyze the deformation of Earth's surface caused by the 2011 magnitude-9.0 Tohoku-Oki earthquake in Japan and the 2010 magnitude-8.8 Maule earthquake in Chile. Workshop on the 2010 Maule Earthquake: Lessons Learned, New Discoveries, Future Advances. At the location of the earthquake, the two plates are converging at a rate of 71 mm/yr. The epicenter was located 9 km (6 miles) SSE of Constitucion and 268 km (167 miles) SW of Santiago, Chile at coordinates 35.41. By Raul Madariaga. 2010 Maule earthquake slip correlates with pre-seismic locking of Andean subduction zone. (© 1999 Zeke Smith) USGS compressive stress direction. If the 2010 Maule earthquake had significant slip near the trench (C1), the likelihood of a major tsunamigenic earthquake in the near future might be lower. . We use 3-D numerical simulations and a seismic velocity model for Cascadia to estimate coseismic deformation due to ~M9 earthquake scenarios. (© 1999 Zeke Smith) USGS The great 27 February 2010 Mw 8.8 earthquake off the coast of southern Chile ruptured a ∼600 km length of subduction zone. By juan baez. Felt Report - Tell Us! The aftershock sequence of the Mw=8.8 Maule earthquake off the coast of Chile in February 2010 is one of the most well-recorded aftershock sequences from a great megathrust earthquake. One was located at In the rupture area of the great event, a large quake occurred (Mw 6.6, USGS) in the Bio-Bio region on 3 May 2004. The surface where they slip is called the fault or fault plane. By most standards, the Maule earthquake was a catastrophe for Chile. Over 11 million people in Santiago, Valparaiso, Concepcion, and the surrounding towns and countryside experienced moderate to strong ground shaking. Complete failure due to The USGS and its partners monitor and report earthquakes, assess earthquake impacts and hazards, and . 51 km (32 mi) NW of Talca (Maule) (pop: 197,500) --> See nearby . March 4-8, 2013. An initial decline in streamflow followed by an increase of up to 400% of the discharge measured immediately before the earthquake occurred, and diurnal streamflow oscillations intensified after the earthquake. An earthquake is what happens when two blocks of the earth suddenly slip past one another. Horizontal lines at the base of figure A show when the seismic stations were operating, For one of the stations the authors only looked for missed earthquakes in the month before and the month after the Maule earthquake. Chile Earthquake Research Paper. Even with all the damage and destruction caused by the earthquake, the offshore . Concepción, Chile . Toward understanding tectonic control on the Mw 8.8 2010 Maule Chile earthquake. It has been atleast 2 hours Conception/Maule, felt as far as Santiago over 200 miles away. [12] The location of slip for the 2010 Maule earthquake with respect to the trench position is also a very important issue for assessing the future tsunamigenic potential in this area. B: small dots are USGS catalog earthquakes. Magnitude 8.8 OFFSHORE MAULE, CHILE Saturday, February 27, 2010 at 06:34:17 UTC . Updated Result of the Feb 27, 2010 Mw 8.8 Maule, Chile Earthquake, NEIC-USGS. Preliminary slip model of the Feb 27, 2010 Mw 8.9 Maule, Chile . Simplified diagram of thrust faulting during a subduction zone earthquake. The economic losses totaled $30 billion USD or 17% of the GDP of the country. Two normal faulting events with magnitudes around Mw 7.0 and Mw 6.9 occurred just 15 min apart, located near the town of Pichilemu. Download. Date & time: Dec 1, 1928 04:06:17 UTC Magnitude: 7.7 Depth: 35.0 km Epicenter latitude / longitude: 35.155°S / 72.105°W (Maule Region, Chile) Antipode: 35.155°N / 107.895°E Nearest volcano: Descabezado Grande (132 km / 82 mi) Nearby towns and cities: 34 km (21 mi) NE of Constitucion (Maule) (pop: 37,900) --> See nearby quakes! However, the magnitude of the 1906 Ecuador earthquake was estimated using the size of its aftershock zone [Kanamori, 1977]. Very strong mag. Further details are: Magnitude mb 6.2 Region OFFSHORE MAULE, CHILE Date time 2020-11-22 00:54:53.7 UTC Location 34.60 S ; 73.06 W Depth 2 km Author: USGS Based on the inverted total seismic moment, the 2010 Mw 8.9 Maule, Chile earthquake is the fifth largest earthquake since 1900. Alec Maule, Ph.D. Alec is a Research Physiologist Emeritus for the USGS, Columbia River Research Laboratory. Magnitude 8.8 OFFSHORE MAULE, CHILE Saturday, February 27, 2010 at 06:34:17 UTC . (1) The location of the earthquake's epicenter is shown in figure 3 relative to the sites investigated by TIRT, shown as white dots with black centers and white numbers. 1 Introduction [2] On 27 February 2010, approximately 600 km of the Nazca-South America plate boundary ruptured to generate the M w 8.8 Maule earthquake on the subduction megathrust beneath central Chile (Figure 1).Curiously, the two largest aftershocks were intraplate normal fault earthquakes with magnitudes of M w 7.4 and 7.0, the first located in the outer rise of the downgoing oceanic slab . 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. Destroyed kiosks near the Pichilemu 's beach. Following the 27 February 2010 (Mw = 8.8) Offshore Maule, Chile earthquake, a temporary, 16-channel, real-time data streaming array was installed in a recently constructed building in Viña del Mar to capture its responses to aftershocks. Primary data source: USGS (United States Geological Survey) Estimated released energy: 4 x 10 12 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) More info [] Show interactive Map An 8.8 mega-earthquake hit the coast of Chile on February 27. th, 2010 and is recorded as one of the largest earthquakes to date. Fifty 3D simulations were run, considering a variety of rupture parameters, to determine the range of expected ground motions. Simplified diagram of thrust faulting during a subduction zone earthquake. One of the largest Earthquakes in the world occurred on February 27, 2010. Chile Earthquake (2:20AM EST) USGS upgraded to 8.8. The immediate aftershock sequence was captured by two temporary seismic deployments: the Quake Catcher Network Rapid Aftershock Mobilization Program (QCN RAMP) and the Incorporated Research Institutions for Seismology CHile Aftershock Mobilization Program (IRIS CHAMP). On 2010 March 11, a sequence of large, shallow continental crust earthquakes shook central Chile. How much did the Maule earthquake cost? According to the USGS, the epicenter of the earthquake was about 3 km (1.9 miles) off the coast of Pelluhue, a town in the Maule Region.This is about 6 km (3.7 miles) west of the village of Chovellén, 15 km (9.3 miles) southwest of the town of Pelluhue and at a point approximately 100 km (62 miles) away from the following four provincial capitals: Talca (to the north-east), Linares . Location. USGS Centroid Moment Tensor Solution. This quantitative correlation suggests that almost the complete pre-seismic slip deficit has been released in a consistent way over a trench-parallel distance of .200-300km (Fig. Maule earthquake Geodynamics GRACE abstract The 27 February 2010 Mw 8.8 Maule, Chile, earthquake ruptured over 500 km along a mature seismic gap between 34 1S and 38 S—the Concepcio´n-Constitucio´n gap, where no large megathrust earthquakes had occurred since the 1835Mw 8.5 event. Jaime CAMPOS M. Related Papers. It is said to have lasted between ten and thirty seconds. To analyze the impact of the earthquake even further, stock Real-time - Last 50 earthquakes worldwide M6+ Another strong earthquake was detected by the USGS. Introduction [2] The earthquake on 27 February 2010 ruptured more than 600 km along strike (N18°E) and 60 km along dip (18°) in the area around Maule, Chile. (Figure taken from: quake.usgs.gov). Shao, G.et al. Low and High Frequency Characteristics of Maule 2010, Chilean Earthquake. First, we use a coseismic slip model constrained by geodetic observations from interferometric synthetic aperture radar (InSAR) and GPS to derive a . Short-Period Rupture Process of the 2010 M w 8.8 Maule Earthquake in Chile. 1. For sites not in sedimentary basins, the spectral . USGS shake map of the earthquake. Date & time: 28 Mar 2010 21:38:28 UTC Magnitude: 6 Depth: 29.9 km Epicenter latitude / longitude: 35.387°S / 73.385°W (South Pacific Ocean, Chile) Nearest volcano: Nevado de Longavi (220 km / 137 mi) Nearby towns and cities: By juan baez. Download. The earthquake started inside the gap but it spread well beyond it breaking an area similar to that of the historical 1751 event. The estimated hypocenter (35.909°S and 72.733°W, depth = 35 km (22 miles)) was located 105 km (65 miles) northeast of the city of Concepción (USGS 2010). It has important significance to study the relationship between these two events for further understanding the nucleation of . The epicenter was located 68 km (42 miles) WSW of Constitucion (population 37 917 . Here we present locations, magnitudes and cumulative equivalent moment of the first -2 months of aftershocks, recorded on a temporary network deployed within 2 weeks of the occurrence of the mainshock. Limited overlap between the seismic gap and coseismic slip of the great 2010 Chile earthquake. On 27 February 2010, central Chile was heavely hit by a mega-earthquake (M W 8.8, 06:34:14 UTC, 72.733W, 35.909S; USGS, 2010), causing extensive damage in Concepción and Santiago cities.This event, the sixth largest earthquake in instrumental history, was located in the Meridional Andes beneath the South American plate, where the Nazca plate converges at a rate of 6.5 cm/year. [12] The location of slip for the 2010 Maule earthquake with respect to the trench position is also a very important issue for assessing the future tsunamigenic potential in this area. A vacant star represents epicenter. (Photo from: PBS) Yesterday afternoon, at 12:05 p.m. local time, a M=5.9 earthquake struck offshore of Chile, on the fringe of the rupture zone of the 2010 M=8.8 Maule earthquake. Hayes, G. 2010a. 1. national earthquake hazards reduction program Event Summary • The February 27 th, 2010 magnitude 8.8 offshore Maule Chile earthquake is one of the 5 largest earthquakes ever recorded. [1] Static offsets produced by the February 27, 2010 Mw = 8.8 Maule, Chile earthquake as measured by GPS and InSAR constrain coseismic slip along a section of the Andean megathrust of dimensions 650 km (in length) × 180 km (in width). If the 2010 Maule earthquake had significant slip near the trench (C1), the likelihood of a major tsunamigenic earthquake in the near future might be lower. The surface rupture of the 2010 Maule earthquake spatially correlated with the basement fault zones of the Atacama Fault (Arriagada et al., 2011). It was the fifth largest earthquake during the last 100 years with the moment magnitude M w of 8.8 and numerous aftershocks (more than 300 with magnitudes greater than 5.0) were reported in two months following the Maule event (U.S . The March 25, 2012, M 7.1 Maule, Chile earthquake occurred as the result of shallow thrust faulting on or near the subduction interface between the Nazca and South America plates. The magnitude-8.8 Maule (Chile) earthquake of 27 February 2010 ruptured a segment of the Andean subduction zone megathrust that has been suspected to be of high seismic potential 1, 2, 3, 4, 5, 6. Chilean society and relevant organizations responded to the magnitude 8.8 Maule earthquake that struck the region on February 27, 2010, as well as how an application of these lessons could better prepare California communities, response partners and state emergency partners W 8.8 Maule earthquake of 27 February 2010. USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards. On February 27, 2010, the Mw=8.8 Maule earthquake struck off the coast of south central Chile rupturing nearly 600 km of the Nazca-South American plate boundary. This Earthquake, known as the Maule Earthquake, took place on the offshore of Bio-Bio Chile with a magnitude of 8.8 ("Aftershocks of Chilean Earthquake"). Quake is the middle of Night, most power is out. Mehmet Celebi (USGS) from publication: Detection of gravity . Download scientific diagram | The geographic location of Maule earthquake epicenter. In the 2010 M=8.8 Maule earthquake, this area was devastated by shaking and an ensuing tsunami. Neither response time, nor time to maximum streamflow discharge showed The 2010 Chile earthquake occurred off the Maule coast of central Chile on Saturday, 27 February 2010, at 03:34 local time, having a magnitude of 8.8 on the moment magnitude scale, with intense shaking lasting for nearly four minutes. In this paper, we make two independent estimates of shear stress in the crust in the region of the Chile earthquake. M 4.2 - Maule, Chile. Earthquake Location Magnitude 8.8 OFFSHORE MAULE, CHILE Saturday, February 27, 2010 at 06:34:14 UTC Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green Map of CHILE Preliminary . Nature 4: 173-177. 5.2 earthquake - Maule, Chile, on Sunday, 28 February 2010 at 23:45 (GMT) . Finite Fault Model. 2011. USGS Centroid Moment Tensor Solution. Twelve million people, or ¾ of the population of the country, were in areas that felt strong shaking. For each earthquake, data (sac files, 1 Hz sampling, ~2-3 minutes around the earthquake origin time) are included Event Name: Offshore Maule, Chile, Earthquake Event Date:02/27/2010, 06:34 UTC (02/27/2010, 03:34 AM Local Time) Event Identification: 20100227_0634 Recorder Type: Kinemetrics: Etna Network Event ID#: us2010tfan The 2010 Maule, Chile Earthquake that struck offshore of Chile during the early morning hours of February 27, 2010, was a subduction zone interface event occurring along the boundary between the Nazca and South American tectonic plates. Related Papers. The epicenter of the earthquake was offshore from the Maule Region, approximately 8 km west of Curanipe and 115 km north-northeast of Chile's second largest city, Concepción. 2010. compressive stress direction. The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter. Regional gravity decrease after the 2010 Maule (Chile) earthquake indicates large‐scale mass redistribution Shin‐Chan Han,1,2 Jeanne Sauber,1 and Scott Luthcke1 Received 13 September 2010; revised 21 October 2010; accepted 1 November 2010; published 9 December 2010. Offshore Maule, Chile Earthquake . Lorito, S. et al. 6 confirmed dead. Near Source Rupture Modeling of the February 27, 2010 Mw 8,8 Maule Earthquake using cGPS and Strong Motion Data. The 27 February 2010, Maule earthquake took place in a region well identified as a seismic gap, where no large earthquake had occurred since 1835. Most of the data were recorded on analogue instruments, which was digitized and processed with low- and high-cut filters . USGS Earthquake Hazards Program: Earthquake Location: OFFSHORE MAULE, CHILE. The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP), established by Congress in 1977, and the USGS Advanced National Seismic System (ANSS) was established by Congress as a NEHRP facility. 6.2 earthquake - 18 km southeast of Linares, Maule Region, Chile, on Monday, May 14, 1990 at 21:34 (GMT) 525 dead, 25 missing. The uncertainty is high. Interactive Map. Strong mag. The sudden motion along the fault displaces massive volumes of seawater creating a tsunami. 2010 Maule earthquake slip correlates with pre-seismic locking of Andean subduction zone. A strong and shallow earthquake registered by the CSN Chile as M6.6 hit near the coast of Maule, Chile at 15:57 UTC (10:57 local time) on September 29, 2019. 3c) and that the 2010 Maule earthquake probably represents a complete failure of the Constitucio´n seismic gap. Strong earthquake registered as M 6.2 (USGS, EMSC) occurred at 02:51 UTC on October 30, 2013. Two strong-motion stations recorded the ground motion in the city of Concepción. The region of the 1835 earthquake reactivated since 2004 with a series of M 5 events North of Concepcion. The Bío Bío region of Chile experienced a vigorous aftershock sequence following the 2010 February 27 Mw 8.8 Maule earthquake. Moderate mag. According to the USGS, the epicenter of the earthquake was about 3 km (1.9 miles) off the coast of Pelluhue, a town in the Maule Region. The economic losses totaled $30 billion USD or 17% of the GDP of the country. Our earthquake source model is based on observations of the 2010 M8.8 Maule and 2011 M9.0 Tohoku earthquakes, which exhibited distinct strong-motion-generating subevents in the deeper portions of the fault.

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