Atka, AK 1 arc-second MHW DEM

The Atka DEM covers two islands in the Aleutian Islands of Alaska, Atka and Amlia. The DEM has a 1 arc-second (~30 meter) cell size, and is referenced to a vertical datum of mean high water. It was built in March 2010 to support NOAA's Tsunami Program.

No perspective image available
DEM perspective image. 

Name Atka
States Alaska
Region Aleutian Islands
-175.78 -172.9
Date Completed 2010-03-31
Type Tsunami Inundation
Horizontal Datum WGS 84
Projection Geographic (degrees)
Vertical Datum MHW (meters)
Vertical Transformation Source elevation data transformed vertically using a constant offset derived from NOAA tide stations.
Coverage Bathy-topo
Cell Size 1 arc-second
Registration Grid-node
Version 1
Source NOAA / NGDC / MGG
Developer NOAA / NGDC / MGG
Project NOAA Tsunami Inundation
Contact Barry W Eakins @ NOAA / NGDC
Position: not available


DEM Restrictions

WARNING: DEM not to be used for navigation.

How to cite this DEM

Friday, D.Z., L.A. Taylor, B.W. Eakins, K.S. Carignan, R.J. Caldwell, P.R. Grothe, and E. Lim, 2011. Digital Elevation Model of Atka, Alaska: Procedures, Data Sources and Analysis, NOAA Technical Memorandum NESDIS NGDC-48, U.S. Dept. of Commerce, Boulder, CO, 20 pp.
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