ETOPO1: Global 1 Arc-Minute Elevation

Dataset Availability
2008-08-01T00:00:00Z - 2008-08-01T00:00:00
Dataset Provider
Earth Engine Snippet
bathymetry bedrock dem elevation etopo1 geophysical ice ngdc noaa topography


ETOPO1 is a 1 arc-minute global relief model of Earth''s surface that integrates land topography and ocean bathymetry. It was built from numerous global and regional data sets. It contains two elevation bands: ice_surface and bedrock.


1855 meters


Name Units Min Max Description
bedrock Meters -10898* 8271*

Elevation at ground level and at the base of the Antarctic and Greenland ice sheets

ice_surface Meters -10898* 8271*

Elevation at ground level and at the top of the Antarctic and Greenland ice sheets

* estimated min or max value

Terms of Use

Terms of Use

It is not necessary to obtain written permission to use ETOPO1 or other NOAA products that are in the public domain, nor are there any fees for using them. We ask only that you cite NCEI as source.


  • Amante, C. and B. W. Eakins, ETOPO1 1 Arc-Minute Global Relief Model: Procedures, Data Sources and Analysis. NOAA Technical Memorandum NESDIS NGDC-24, 19 pp, March 2009.


Explore in Earth Engine

var dataset = ee.Image('NOAA/NGDC/ETOPO1');
var elevation ='bedrock');
var elevationVis = {
  min: -7000.0,
  max: 3000.0,
  palette: ['011de2', 'afafaf', '3603ff', 'fff477', 'b42109'],
Map.setCenter(-37.62, 25.8, 2);
Map.addLayer(elevation, elevationVis, 'Elevation');