A new study shows that ground water levels responded to forcing by barometric pressure pulses from the 2022 Hunga Tonga-Hunga ...

The Pacific Northwest boasts an extensive network of more than 600 seismic monitoring stations that help researchers track ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists. However, there's a chance that the activity could be signs of a pending ...

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only volcano in the range.