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Possible Cause of Earthquakes

Detailed Description

The new U.S. stress map. The colors show the style of faulting - red is normal faulting, white is strike-slip, and blue is thrust. The black lines show the direction of the stress. The 3 locations in the central U.S. that are different than the areas around them are the regions of highest hazard on the U.S. hazard map (below).


Public Domain.