This diagram illustrates ocean topography in the Northern Hemisphere resulting from the interaction of surface wind currents and the Coriolis Effect. To learn more about ocean topography from NASA, click here. Other factors effecting ocean topography are atmospheric pressure and bathymetric features.
The dark blue areas represent primary regions of upwelling. Click on the map to visit the UN Ocean Atlas source website.
Underwater Landslide
This is the type of underwater landslide that can generate a tsunami. The diagram is by Zeke Smith, click on the picture to visit the website. It is from an article in a California science magazine discussing tsunami hazards.
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