Earthquake Engineering Research Institute
Learning From Earthquakes

Chile Recovers From 2010 M8.8 Earthquake

Read the Report: Chile Recovers From 2010 M8.8 Earthquake (1.0 MB PDF) For further updates from MRP Engineering of the recovery in Chile please visit the MRP website

Preliminary Report on Geotechnical Effects of the 2010 Chile Earthquake

GEER Team Leaders: Jonathan Bray, UC Berkeley; Terry Elderidge, Golder Associates; David Frost, Georgia Tech; Youssef Hashash, University of Illinois; Robert Kayen, US Geological Survey; Christian Ledezma, Pontificia Univ. Catolica de Chile; Rob Moss, California Polytechnic Univ., San Luis Obispo; Ramon Verdugo, Universidad de Chile. Lead Authors: Pedro Arduino, Scott Ashford, Dominic Assimaki, Jonathan Bray, […]

USGS Reports on the 1985 Chilean Earthquake

Preliminary report of investigations of the central Chile earthquake of March 3, 1985 by Sylvester Theodore Algermissen Seismic site-response experiments following the March 3, 1985 central Chile earthquake (topographical and geological effects) edited by Mehmet Celebi Processed Chile earthquake records of 3 March 1985 and aftershocks compiled by Mehmet Celebi

Preliminary Reports on Strong Motion Records (Spanish)

Read the Report: Preliminary Report v. 1 on Strong Motion Records (466 kB PDF) Read the Report: Preliminary Report v. 2 on Strong Motion Records (1.1 MB PDF) Read the Report: Preliminary Report v. 3 on Strong Motion Records (1.54 MB PDF) Click here to visit the University of Chile website for preliminary records from Santiago sites–one is at the faculty of […]

Reconnaissance Observations of Bridges

Day 2: We visited four bridges along the Vespucio Norte tollway north of the airport; two had collapsed and two were in service. Those that collapsed were being demolished very quickly (I guess they will be gone in a day or two). Insufficient seating is the probable main cause. The four bridges were very similar […]

Reconnaissance Observations of Buildings

Day 4 (Thursday, March 11) – Santiago Visited  SIRVE, an engineering company specializing in base isolation and advanced structural/geotechnical issues.  It is an offshoot of the Catholic University.  Jack and I are being hosted primarily by Juan Carlos De la LLera, Rafael Riddell, and Karl Luders .  They gave us a brief overview of the […]

Photos from the EERI Structural Team

                                                                 Figure 1. Good conditions with little to no apparent damage in typical buildings around the square in Chillan.   Figure 2. Broken glass around […]