Possible Cause of Earthquakes
![The new U.S. stress map.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/stressmap_0.jpg?itok=sDg_KQNe)
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).
Sources/Usage
Public Domain.