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<p>Observations of the performance of basement walls and retaining structures in recent earthquakes show that failures of basement or deep excavation walls in earthquakes are rare even if the structures were not designed for the actual intensity of the earthquake ...
Reference: STATE OF CALIFORNIA DEPARTMENT OF TRANSPORTATION TECHNICAL REPORT 65A0367
Tectonic deformation from the 2010 Maule (Chile) Mw 8.8 earthquakeincluded both uplift and subsidence along about 470 km of the central Chilean coast. In the south, deformation included as much as 3 m of uplift of the Arauco Peninsula, which produced emergent ...
Reference: Earthquake Spectra, Volume 28, No. S1, pages S39–S54, June 2012; 2012, Earthquake Engineering Research Institute
<p>Knowledge of seismic properties in an earthquake rupture zone is essential for understanding the factors controlling rupture dynamics. We use data from aftershocks following the Maule earthquake to derive a three-dimensional seismic velocity model of the ...
Reference: GEOPHYSICAL RESEARCH LETTERS, VOL. 39, L19308, doi:10.1029/2012GL053184, 2012
<p>Soil liquefaction is conventionally evaluated through an empirical framework based on accumulated experience from case histories - the "NCEER Method". However, the empirical framework contains inconsistent physics and characterizations that are unrelated ...
Reference: 5th International Conference on Earthquake Geotechnical Engineering, January 2011, 10-13, Santiago, Chile
Saturday, 27 February 2010, at 6h34 UT, an Earthquake of magnitude 8.8 occurred on the Chilean subduction near the cities of Concepcion, Constitucion and Valparaiso. This event takes place in a long list of earthquakes which have been occurring all along the ...
Reference: On behalf of direction of International associate Laboratory (LIA) «Montessus de Ballore»
The February 27, 2010 Maule, Chile earthquake (Mw = 8.8) is the fifth largest earthquake to occur since 1900. Its effects were felt along 600 km of the central Chile coast. Initial field observations suggest that tectonic displacement of the hanging wall produced ...
Reference: GEER Association Report No. GEER-022 (2010)
Radar interferometry from the ALOS satellite captured the coseismic ground deformation associated with the 2010 Mw 8.8 Maule, Chile earthquake. The ALOS interferograms reveal a sharp transition in fringe pattern at ∼150 km from the trench axis that is diagnostic ...
Reference: GEOPHYSICAL RESEARCH LETTERS, VOL. 37, L24311, doi:10.1029/2010GL045805, 2010
On Saturday, February 27, 2010, at 03:34 a.m. local time (06:34:14 UTC), an Mw 8.8 earthquake struck the central south region of Chile, affecting an area with a population exceeding eight million people, including 6.1M, 0.8M, and 0.9M in the urban areas around ...
Reference: EERI Special Earthquake Report — June 2010
A total of 166 observations of sea-level change, 130 measurements of elevation difference, and 16 determinations of horizontal strain provide an excellent view of the (quasi-)static source process of the great 1960 Chilean earthquake.
Reference: Geophys. 1. Int. (1990) 103, 589-598
SBS News   05 November 2019   Chile   Coquimbo  
<p>A magnitude-6.0 quake has struck near the coastal city of Coquimbo in central Chile, the US Geological Survey says, causing building to shake in capital city Santiago but no damage.<br>The quake, reported earlier by the European-Mediterranean Seismological ...
Filed under: Natural Hazards
Express   01 March 2019   Peru   Azangaro  
<p>A powerful 7.3 magnitude quake hit just 11km from Azangaro, which is located near to the Bolivian boarder. So strong was the tremor that it was also felt in Brazil, Bolivia and Chile. The US Geological Survey (USGS) says that there are no immediate reports ...
Bloomberg Opinion   19 February 2019   World  
<p>It&rsquo;s taken two tragedies in just over three years, but the mining industry is finally starting to clean up its act. <br />Brazil&rsquo;s government Monday announced plans to ban upstream tailings dams, a low-cost method of storing mining waste implicated ...
Filed under: Mining News
Express   25 January 2019   World  
<p>MORE than 32 earthquakes of magnitude 2.5 or above have been recorded by the United States Geological Survey (USGS) in the past 24 hours. Here is where the tremors struck in the world. Most of the earthquakes were recorded along the Ring of Fire, a basin ...
The Independent   20 January 2019   Chile  
<p>A magnitude- 6.7 earthquake hit the coast of north Chile, causing buildings to shake and fears of a possible tsunami.<br />The quake struck at 10.32pm local time (01.31GMT) about 9.7 miles southwest of Coquimbo, according to the United States Geological ...
Stuff.co.nz   11 September 2017   World  
<p>Friday's earthquake off Mexico was the largest in that region in over a century, and will add pressure to a region already being battered by several other natural disasters.<br />The earthquake occurred off the west coast of southern Mexico 69 km below ...
temblor.net   28 April 2017   Chile   Valparaiso  
<p>Since 22 April 2017, an earthquake swarm has been in progress offshore the port city of Valpara&iacute;so, which has been widely felt in Chile&rsquo;s capital, Santiago. This sequence began with a M=6.0, and was followed two days later on 24 April, by a ...
Filed under: Natural Hazards
The Guardian   25 April 2017   Chile   Valparaiso  
<p>A powerful earthquake of magnitude 7.1 has struck off the west coast of Chile, rocking the capital Santiago and generating at least two significant aftershocks.</p> <p>No major damage was immediately apparent, according to an assessment by Chile&rsquo;s ...
Filed under: Natural Hazards
RT   10 February 2016   Chile   Coquimbo  
<p>A 6.3-magnitude earthquake hit the Chilean coast, the US Geological Survey has reported. Powerful tremors were felt as far as Mendoza, located in Argentina&rsquo;s Cuyo region.<br />The quake struck at a depth of 31 kilometers (19.6 miles), with an epicenter ...
Filed under: Natural Hazards
USGS   24 November 2015   Peru   SE Peru border  
<p>The November 24, 2015 22:45 UTC M 7.6 earthquake was the first of two similarly sized events near the Peru-Brazil border in southeast Peru. Both earthquakes occurred as the result of normal faulting at a depth of approximately 600 km, almost 1000 kilometers ...
Filed under: Natural Hazards