Volcanoes across the country are beginning to wake up and erupt, and no one has a good explanation for why it's happening.

The USGS described the earthquake as "notable," confirming that it may have been felt by residents in Sand Point and nearby ...

Hawaii’s unique position in the center of the Pacific Ocean makes it particularly vulnerable to tsunamis from both distant ...

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of ...

Scientists believe the July 16 Alaska earthquake is part of a series of multiple earthquakes of similar magnitudes in the ...

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north Sacramento Valley shakes.