Learning From Earthquakes

Back to Clearinghouse

GEER Reconnaissance Reports

February 12, 2018

By Scott A. Ashford, Ross W. Boulanger, Jennifer L. Donahue, Jonathan P. Stewart, Leslie F. Harder, Jr., Keith I. Kelson, Tadahiro Kishida, Jorge Meneses, Pedro Arduino, Isabelle Ryder, Robert Kayen, Yasuo Tanaka, Hajime Tanaka, Takashiro Sugano, Ivan A. Estevez, Sean S. Cullenward, Winnie Yeh, and Davis Thomas.

April 5 – June 6, 2011. Geotechnical Extreme Events Reconnaissance.

Reconnaissance Reports, videos and data from GEER.

Read the Reports:

April 5, 2011: Geotechnical Quick Report on the Kanto Plain Region during the March 11, 2011, Off Pacific Coast of Tohoku Earthquake, Japan (6.1 MB PDF)
May 2, 2011: Preliminary Observations of Levee Performance and Damage following the March 11, 2011 Tohoku Offshore Earthquake, Japan (2.6 MB PDF)
May 17, 2011: Preliminary Observations of the Effects of Ground Failure and Tsunami on the Major Ports of Ibaraki Prefecture (2.3 MB PDF)
June 5, 2011: Preliminary Observations of Surface Fault Rupture from the April 11, 2011 Mw6.6 Hamadoori Earthquake, Japan (an March 11, 2011 Earthquake aftershock) (2.2 MB PDF)
June 6, 2011: Preliminary Observations of the Fujinuma Dam Failure Following the March 11, 2011 Tohoku Offshore Earthquake, Japan (5.5 MB PDF)
July 20, 2011: LiDAR and Field Investigation Of the March 11, 2011 M9.0 Great Tohoku Offshore Earthquake, and April 7, 2011 M7.4 Aftershock (24.1 MB PDF)
Download the Google Earth File: Compilation of Geotechnical Information and Logs of Activities (5.8 MB PDF)
See the LiDAR Movies: Tohoku Earthquake LiDAR
See the GEER Advance Team Reconnaissance Video: GEER Team Geotechnical Extreme Event Reconnaissance

Visit the Source: Tohoku Japan Earthquake and Tsunami – Geotechnical Extreme Events Reconnaissance