2009, U.S. Geological Survey.

The tsunami that was triggered by a magnitude 8.0 earthquake on September 29, 2009, caused significant damage and loss of life on Samoa, American Samoa, and Tonga. In the hopes that disasters such as this can be minimized in the future, we attempt to understand the mechanism and impact of this tsunami. The information presented here is focused on geologic aspects of the disaster.

Read the Report: Preliminary Analysis of the September 29, 2009 Samoa Tsunami, Southwest Pacific Ocean 

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