If you were in Unalaska this weekend, there’s a chance you felt an earthquake. A magnitude 5.4 earthquake struck 63 miles ...

Researchers propose that major continental transform earthquakes often begin on branch faults, which may act as “on-ramps” ...

Although the volcano's alert level has been raised, scientists say there are no indications that an eruption is imminent.

There may not be any scientific basis for the theory, but the spot does have a long history of enormous quakes.

Nevada is the third most seismically-active state in the nation, only behind Alaska and California ... Despite the constant ...

you should at least consider buying earthquake insurance. If you live in California, Oregon, Washington, Nevada, Hawaii or Alaska, for example, you’re at an increased risk of earthquakes.

The biggest hazard posed by a potential eruption of Mount Spurr would be an ash cloud that could be blown into populated areas by wind and disrupt aviation routes.

Last week was a week to remember. The Northern Lights performance was off the charts with high drama in the night sky.

An Alaska Volcano Observatory scientist said that “there are no indications an eruption is imminent” at Mount Spurr, which is ...

A 4.0-magnitude earthquake near Ontario shook the Los Angeles area in California, the U.S. Geological Survey reported. The ...

Last year's magnitude 7.8 Pazarcık earthquake ... the 2002 magnitude 7.9 Denali earthquake in Alaska, the 2008 magnitude 7.9 Wenchuan earthquake in China, and the 2016 magnitude 7.8 Kaikōura ...

To be better prepared for the next big earthquake, tens of thousands of Alaskans are expected to practice how to drop, cover and hold on during the Great Alaska ShakeOut on Thursday morning.