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19 May 2016 description

Nepal Earthquake Reconnaissance Team Report is now available

A new special report, EERI Earthquake Reconnaissance Team Report: M7.8 Gorkha, Nepal Earthquake on April 25, 2015 and its Aftershocks, is now available for download at the Nepal Earthquake virtual clearinghouse website:

03 May 2016 description

On April 19, 2016, EERI hosted a special webinar reconnaissance briefing on the Meinong, Taiwan earthquake of February 6, 2016. Researchers from multiple teams who traveled to the impacted region collaborated to share observations and provide key insights into the various aspects of shaking characteristics, earthquake damage, response, and performance of pre-event mitigation measures. A recording of the webinar is now available:

Watch the Taiwan Earthquake Briefing Webinar

19 Apr 2016 description

On Saturday, April 16, a M7.8 earthquake struck offshore of the west coast of northern Ecuador (11:58pm local time on Saturday, April 16). The EERI community extends its sympathy to the victims as rescue and relief work continues.

EERI is currently monitoring the situation from media reports and notes from colleagues in the impacted region as part of its Learning from Earthquakes Program.

17 Apr 2016 description

On Friday, April 15, a M7.0 earthquake struck north of Kumamoto, on the island of Kyushu in southwest Japan (1:25am local time on Saturday, April 16). The EERI community extends its sympathy to the victims as rescue and relief work continues.

EERI is currently monitoring the situation from media reports and notes from colleagues in the impacted region as part of its Learning from Earthquakes Program.

12 Feb 2016 description

In response to the M6.4 earthquake in Southern Taiwan on Saturday, February 6, 2016 (local time), EERI’s Learning From Earthquakes (LFE) program has launched a virtual clearinghouse site for the event, with preliminary reports, field photos, and a variety of other resources: http://www.eqclearinghouse.org/2016-02-taiwan/

07 Feb 2016 description

EERI’s Learning from Earthquakes program had a year of significant activity, innovation, and planning.

Investigating the April 25 Gorkha Earthquake

14 Jun 2015 description

The EERI Reconnaissance Team concluded their nine-day mission in Nepal on June 8. After visiting outlying regions, the team finished its reconnaissance with meetings and detailed observations in Nepal’s capital city, Kathmandu, and the surrounding valley.

10 Jun 2015 description

EERI’s initial reconnaissance mission to study the effects of the April 25, 2015 Gorkha earthquake is underway.

16 Apr 2014 description

The EERI Learning from Earthquakes (LFE) Committee, led by chair Ken Elwood (M. EERI, 1994), reached out to colleagues in Chile to compile this article for the EERI membership that summarizes their initial observations from the April 1, 2014 M8.2 earthquake and tsunami. This article is compiled by Juan Carlos de la Llera Martin of Pontificia Universidad Católica de Chile external link icon with contributions from researchers at the National Research Center for Integrated Natural Disasters (CIGIDEN), Santiago, Chile; researchers from University of Concepción; and Rene Lagos Engineers.

15 Aug 2013 description

Iran, Makran Earthquakes ; 16 April 2013, Mw7.8, Gosht (Saravan) and 11 May 2013 Irar (Goharan), Bashagard, SE of Iran


02 Nov 2011 description


About 200 highway bridges and numerous rail bridges were damaged during the March 11th earthquake by effects ranging from span unseating, ruptured bearings, and column shear failures, to foundation scour and approach fill settlements.
The causes can be broadly classified in two categories: ground shaking, including ground failure (liq-uefaction); and tsunami inundation. The tsunami was responsible for the damage in about one-half of the bridges.

30 Sep 2011 description


Japan has a long history of great earthquakes and the highest frequency of tsunamis in the world. On March 11, 2011, at 2:46 p.m., the Mw 9.0 subduction earthquake generated a tsunami of unprecedented height and spatial extent along the coast of the main island of Honshu. Japan is located near the meeting point of the Eurasian Plate, the Philippines Sea Plate, the North American Plate, and the Pacific Plate. Off the Tohoku (literally, northeast) coast, the Japan Trench forms where the Pacific Plate subducts beneath the North American Plate.

20 Aug 2011 description

Social Science report on Great East Japan Earthquake and Tsunami now available

A 23-page report by an EERI reconnaissance team on the Societal Dimensions of the March 11, 2011, Great East Japan (Tohoku) Earthquake and Tsunami is now available online at http://www.eqclearinghouse.org/2011-03-11-sendai/files/2011/03/Japan-SocSci-Rpt-hirez-rev.pdf (7MB).

10 Mar 2011 description

Press Release – 3/10/11 A multi?disciplinary research team organized and led by the U.S.?based Earthquake Engineering Research Institute (EERI) will be traveling to New Zealand on March 9th to document the effects of the 6.3 earthquake that struck Christchurch on February 22nd (local time). This team will bring back lessons for U.S. practice and academia.

18 Feb 2010 description


A field reconnaissance in Haiti by a five-member team with expertise in seismology and earthquake engineering has revealed a number of factors that led to catastrophic losses of life and property during the January 12, 2010, Mw = 7.0 earthquake. The field study was conducted January 26 - February 3, 2010, and included investigations in Port-au-Prince and the heavily damaged communities to the west, including Léogâne, Grand Goâve, Petite Goâve, and Oliver.


13 Feb 2010 description

By Craig Cole,S.E.


This paper presents my observations, a structural engineer who arrived in Haiti the evening of February 11th, 2010 to assist where my expertise could best be put to use. In the two days I have been here I have gathered a variety of information on the housing problem in Haiti. In this paper I present my current understanding of various groups large and small, highly organized, and trying to get organized around the issue of housing. A key element is that housing is only one of many key issues that need immediate attention.

11 Feb 2010 description


World Bank and the Global Facility for Disaster Reduction and Recovery (GFDRR) are working with ImageCat and the Rochester Institute of Technology (RIT) to produce high precision aerial imagery of Port-au-Prince, Haiti, and the surrounding areas following the 12 January 2010 M7.0 earthquake. This data was initially used to support relief efforts and is now being used to support damage analysis.

05 Oct 2009 description

With funding from the U.S. National Science Foundation (NSF) EERI member and structural engineer Steven Baldridge, President of Baldridge and Associates in Honolulu, Hawaii, is in Pago Pago, American Samoa, investigating structural damage associated with the M8 earthquake and the resulting tsunami of September 29, 2009. He is traveling with a tsunami survey team, funded separately from NSF, and headed by EERI member Hermann Fritz of Georgia Tech. Preliminary reports from this team will be posted in the next few days.

01 Jan 2008 description

Much of the discussion on the following pages echoes the findings of several National Academy of Science reports, particularly a report on Facilitating Interdisciplinary Research published in 2005 (NAS 2005). That report, prepared by the Committee on Facilitating Interdisciplinary Research and the Committee on Science, Engineering and Public Policy, makes a number of recommendations targeted at academic institutions, industry, funding organizations and professional societies.