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Overview of Tsunami Damages on Tutuila Island, American Samoa
21 Oct 2009
 Source: UNOSAT

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American Samoa - This map illustrates satellite-detected areas of likely building and vegetation damages caused by the magnitude 8.0 earthquake and resulting tsunami on 29 September 2009. A total of 11 damage sites were identified based on post-disaster satellite imagery collected on 2-3 October 2009. Each site has a corresponding high resolution focus map within the PDF document. Damage identification was significantly restricted by heavy cloud and shadow coverage, as well as by spatial resolution of the imagery. It is probable therefore that damages have been underestimated. This assessment is a preliminary analysis & has not yet been validated in the field. Please send ground feedback to UNITAR / UNOSAT. Map scale varies for A3 prints; Projection: UTM Zone 2 South; Datum: WGS-84 (EGM-96).
Satellite Data: Formosat-2
Imagery Dates : 2-3 October 2009
Resolution : 2 meters (pansharpened)
Copyright : NSPO-2009
Elevation Data : USGS / GDEM
Resolution : 5m / 27m
Source : USGS, METI & NASA 2009
Vector Data : Google Map Maker 2009
Bathymetry Data : NOAA & FBNMS
Building Data : FBNMS / USGS
Other Data : USGS, NGA, WDPA
Charter PM: USAID/OFDA
Analysis : UNITAR / UNOSAT
Map Production : UNITAR / UNOSAT
Map Data © 2009 Google -
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Source:UNOSAT
Country:American Samoa
Link to high-Res:File size: 13.95 MB
Link to mid-Res:File size: 2.517 MB
KML: Link to KML file


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Last updated:Sun Nov 29 06:45:32 2009