GEER Team Leaders:

Jonathan Bray (University of California, Berkeley)
Terry Elderidge (Golder Associates)
David Frost (Georgia Institute of Technology)
Christian Ledezma (Pontificia University Catolica de Chile)
Ramon Verdugo (Universidad de Chile)

Report Lead Authors:

Pedro Arduino (University of Washington)
Scott Ashford (Oregon State University)
Dominic Assimaki (Georgia Institute of Technology)
Jonathan Bray (University of California Berkeley)
Terry Eldridge (Golder Associates)
David Frost (Georgia Instistute of Technology)
Youssef Hashash (University of Illinois)
Tara Hutchinson (University of California, San Diego)
Laurie Johnson (Laurie Johnson Consulting)
Keith Kelson (Fugro William Lettis & Assoc.)
Robert Kayen (US Geological Survey)
Christian Ledezma (Pontificia Universidad Catolica de Chile)
Robb Moss (California Polytechnic University, San Luis Obispo)
George Mylonakis (University of Patras)
Scott Olson (University of Illinois)
Kyle Rollins (Brigham Young University)
Nicholas Sitar (University of California, Berkeley)
Jonathan Stewart (University of California, Los Angeles)
Alfredo Urzúa (Prototype Engineering Inc.)
Ramon Verdugo (Universidad de Chile)
Rob Witter (DOGAMI)
Nick Zoa (University of Maryland)

Contributing Authors:

David Baska (Terracon)
Jim Bay (Utah State University)
Rodrigo Betanzo (Universidad de Concepcion)
Ramon Boroschek (Universidad de Chile)
Gabriel Candia (University of California, Berkeley)
Leonardo Dorador (Universidad de Chile)
Aldo Faundez (Servicio de Salud Arauco)
Gabriel Ferrer (Pontificia University Catolica de Chile)
Lenart Gonzalez (Golder Associates)
Katherine Jones (University of California, Berkeley)
Dong Youp Kwak (University of California, Los Angeles)
Jaime Salazar Lagos (Burgos Arquitectos)
Jose Miguel Lopez (Vale Exploraciones)
Walter Lopez (University of California Los Angeles)
Claudio Medina (Golder Associates)
Eduardo Miranda (Stanford University)
Gonzalo Montalva (Universidad de Concepcion)
Sebastian Maureira (Universidad de Chile)
William Siembieda (California Polytechnic State University, San Luis Obispo)
Constanza Tapia (Pontificia Universidad Catolica de Chile)
Mesut Turel (Georgia Institute of Technology)
Claudia Welkner (Golder Associates)

Report for Web Dissemination
GEER Association Report No. GEER-022

Reconnaissance Report (PDF)*

*Note: Reconnaissance Report is a 63 MB file.

Acknowledgments and Collaborations

Executive Summary

Table of Contents:

1.0. Introduction and Scope of Reconnaissance

2.0. Engineering Seismology and Earthquake Ground Motions

3.0. Remote Sensing and Pre/Post Imagery

4.0. Regional Geology, Coastal Uplift/Subsidence, and Tsunami Effects

5.0. Site Effects and Damage Patterns

6.0. Liquefaction and Lateral Spreading

7.0. Effects of Ground Failure on Buildings

8.0. Effects of Ground Failure on Ports, Harbors, and Industrial Facilities

9.0 Effects of Ground Failure on Bridges, Roads, Railroads, and Lifeline Systems

10.0 Slope Stability and Landslides

11.0 Dams, Levees, and Mine Tailings Dams

12.0 Retaining Structures

13.0 Tsunami Effects

14.0 Geologic and Tsunami Hazards, Urban Planning, and Reconstruction

15.0 Characterizations Using Advanced Reconnaissance Tools