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

Ground shaking was strongest in Sand Point, with reports of "objects flying out of the pantry and off of shelves," noted the ...

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

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

The United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption ...

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

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

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 ...

“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 ...

Does an increase in earthquake activity mean the ‘big one ... The 6.7 magnitude 1994 Northridge earthquake that killed 57 people and the 6.9 magnitude 1989 Loma Prieta quake that killed 67 ...

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 ...

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