The Limit of Inundation of the September 29, 2009, Tsunami on Tutuila, American Samoa
Open-File Report
2010-1018
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Abstract
U.S. Geological Survey scientists investigated the coastal impacts of the September 29, 2009, South Pacific tsunami in Tutuila, American Samoa in October and November 2009, including mapping the alongshore variation in the limit of inundation. Knowing the inundation limit is useful for planning safer coastal development and evacuation routes for future tsunamis and for improving models of tsunami hazards. This report presents field data documenting the limit of inundation at 18 sites around Tutuila collected in the weeks following the tsunami using Differential GPS (DGPS). In total, 15,703 points along inundation lines were mapped. Estimates of DGPS error and uncertainty in interpretation of the inundation line are provided as electronic files that accompany this report.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | The Limit of Inundation of the September 29, 2009, Tsunami on Tutuila, American Samoa |
| Series title | Open-File Report |
| Series number | 2010-1018 |
| DOI | 10.3133/ofr20101018 |
| Edition | - |
| Year Published | 2010 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey |
| Contributing office(s) | Pacific Science Center |
| Description | Report: vi, 27 p. ; Inundation line data (comma-delimited text file; Excel; ESRI); Metadata (ASCII; XML; FAQ as HTML) |
| Time Range Start | 2009-10-01 |
| Time Range End | 2009-11-30 |
| Online Only (Y/N) | Y |
| Additional Online Files (Y/N) | Y |
| Google Analytic Metrics | Metrics page |