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Open-File Report 2011-1023

Prepared in cooperation with the U.S. Agency for International Development, Office of U.S. Foreign Disaster Assistance

Field Reconnaissance Report of Landslides Triggered by the January 12, 2010, Haiti Earthquake

By Randall W. Jibson and Edwin L. Harp

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Shaking from the January 12, 2010, Haiti earthquake (M 7.0) triggered many landslides that blocked roads, dammed rivers and streams, and threatened infrastructure in many parts of Haiti. When the scope of the disaster became clear, the United States Agency for International Development (USAID), Office of U.S. Foreign Disaster Assistance (OFDA), requested that the U.S. Geological Survey (USGS) assess various seismic hazards, including those from landslides. Using funding provided by OFDA, USGS scientists conducted a preliminary hazard assessment, which included helicopter reconnaissance of areas affected by landslides and ground inspections at some accessible landslide sites. This brief report summarizes assessment activities and preliminary findings and offers photographic coverage of landslide damage; further mapping and hazard assessment continues.

First posted February 22, 2011

For additional information contact:

USGS Geologic Hazards Science Center
Box 25046, MS-966
Denver, CO 80225

This report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Jibson, R.W., and Harp, E.L., 2011, Field reconnaissance report of landslides triggered by the January 12, 2010, Haiti earthquake: U.S. Geological Survey Open-File Report 2011–1023, 19 p.




Summary of Key Findings

Landslide numbers and distribution

Landslide types

Landslide dams

Ongoing landslide hazards

Summary and Conclusion

References Cited

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