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World Data Service for Geophysics

Marine Geology and Geophysics

Animations of Dives to Selected Ocean Floor Features

screen shot of Mariana Trench movie in Quicktime Viewer
Mariana Trench

screen shot of Puerto Rico Trench movie in Quicktime Viewer
Puerto Rico Trench

Choose a link above to go to the Web page for that seafloor feature. Instructions and animations of multiple resolutions are offered for download from these pages. The animations require QuickTime version 7.0 or higher (Download QuickTime from the Apple Web Site).

A note about vertical exaggeration in the animations: These videos have the vertical dimension strongly exaggerated to further enhance the visual effect. Click on the image below to see a real cross section compared with an exaggerated cross section.

cross section showing vertical scale exaggeration

These animations were produced by Dr. Peter Sloss, formerly of NOAA's National Geophysical Data Center (NGDC), from actual digital bathymetric data archived by, and available through NCEI.

If you use these animations, please credit NOAA/NCEI.