A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

The National Tsunami Warning Center has warned that the quake, which occurred at 12:55 p.m. local time, could generate ...

A tsunami advisory was lifted Wednesday afternoon for a portion of the Alaskan Peninsula coastline following a 7.3 magnitude ...

The quake was about 87 kilometres south of the US state, in the early afternoon - just after 12.30pm. The National Tsunami Warning Centre says tsunami impacts are possible for South Alaska and the ...

Following the tremor, the US Tsunami Warning System issued a tsunami warning for parts of coastal Alaska. Authorities have ...

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological Survey said Saturday.

The quakes began just before 1:30 a.m. on Tuesday, according to the Geological Survey at the Cascade Volcano Observatory.

The three earthquakes from this past Friday were shallow yet minor in magnitude, meaning they occurred near the surface, but ...

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...

Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed ...