MEASURED AND ESTIMATED SEAFLOOR TOPOGRAPHY

NEW! SRTM15+ V2 March 29, 2019

OLD! SRTM30_PLUS V11 November 29, 2014

NEW! Global Topography V19.1 November 29, 2014

Reference: Smith, W. H. F., and D. T. Sandwell, Global seafloor topography from satellite altimetry and ship depth soundings, Science, v. 277, p. 1957-1962, 26 Sept., 1997.

Quick Contents:

Get ASCII XYZ topography at 1 minute
Gridded topography data at 1 minute
Plots for 36" HP Plotter
GMT Scripts to Create Global Tectonic Maps

Google Explores the 10th Planet: Essay - Febuary 2, 2009
Globe Gallery - December 22, 2005
WWW Article -Global Bathymetric Prediction for Ocean Modelling and Marine Geophysics
Exploring the Earth from Mars: Essay on Confirming Plate Tectonic Theory - June 5, 2001
Bathymetry from Space: White paper in support of a high-resolution, ocean altimeter mission - April 5, 2001

Interactive Maps

The maps below have been sectioned into 16 clickable regions. Clicking on a particular region will open a new window showing the zoomed in region in more detail.

Related Sites

ALL MARINE BATHYMETRY DATA ARE WELCOME!

If you would like to contribute data to the next version of the global topography grid we would be pleased to use it. Any format is welcome, even raw multibeam format. Please send e-mail to dsandwell@ucsd.edu