California has dozens of earthquakes every day. Most are below 3.0 magnitude, so small that they aren’t felt.

The Great Alaska Earthquake was the most powerful earthquake ever recorded in the United States. Its violent tremors reshaped ...

A new study on the Cascadia fault line breaks down the flooding potential of a 9.0 earthquake, calculating the risk of where ...

Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only ...

California has experienced multiple earthquakes in the last two minutes in an area being closely monitored for a major quake.

Authorities are investigating what appear to be radical views that Guy Edward Bartkus expressed online in the months before ...