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

Officials at the United States Geological Survey have tracked over 300 earthquakes beneath Washington State's Mt Rainier from ...

A magnitude 7.3 earthquake struck Alaska on Wednesday afternoon and a tsunami warning was canceled two hours later for the ...

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to sleep. Two volcanoes, one in Alaska and one in Hawaii, are experiencing active ...

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

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

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 ...

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

“There's still earthquakes happening at Mount Spurr.” Matt Loewen / Alaska Volcano Observatory/ USGS Chart detailing earthquake activity and deformation at Mount Spurr from Sept. 1, 2023, to ...

Frequent aftershock activities stemming from a trio of quakes that occurred near the Missouri-Kentucky border between 1811 and 1812, and a separate earthquake in Charleston, South Carolina, in ...

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

Aftershocks from devastating earthquakes in the 1800s near the Missouri-Kentucky border and in Charleston, South Carolina, may still be occurring, a study found.