N​early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.

Some movies show scenes with the ground suddenly opening up and people falling into fiery pits, but this just doesn't happen in real life. The first main earthquake hazard (danger) is the effect of ...

Mitigating Cayman's tsunami danger will involve mapping efforts, public education and getting the islands' tsunami censor back in operation.

According to the U.S. Geological Survey, the 3.8-magnitude earthquake southeast of York Harbor, Maine, could be felt in at least five states.