Earthquake activity is now being reported in U.S. regions once considered geologically stable, prompting concern from ...

A massive earthquake along the Cascadia Subduction Zone could trigger a devastating mega-tsunami, threatening Alaska, Hawaii, ...

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

With a rumbling wave up to a third of a mile high, thundering across the ocean at hundreds of miles per hour, the sheer ...

The US Geological Survey (USGS) detected the quake at 5:35 am local time near Valmy, a small town situated in a seismically ...

After a 4.1 magnitude earthquake rattled eastern Tennessee Saturday morning, some might be wondering how often seismic events ...