A 2.6 magnitude earthquake struck in Napa County on Saturday, according to the United States Geological Survey. The ...

A preliminary 2.6 magnitude earthquake struck Napa County Saturday afternoon, according to the United States Geological Survey.

The earthquake was centered in Petrolia at a depth of 10.0 kilometers (about 6.2 miles). The USGS said it received zero ...

The quakes are unusual for the volcano, where only one earthquake is typically recorded every two to three years.

The United States Geological Survey website states, "Sinkholes can vary from a few feet to hundreds of acres and from less ...

Interview with Gregory Beischer, CEO, president, and director of Alaska Energy Metals Alaska Energy Metals is spearheading ...

An invasion of dangerous three-foot rat-like creatures with orange teeth is wreaking havoc across California , threatening ...

W ashington’s Mount Adams has seen some pretty unusual activity as of late, the US Geological Survey (USGS) has announced.

Topographic mapping has been a key component of volcano monitoring for decades, helping scientists to study morphologic ...

The USGS says more earthquakes than normal were detected in September -- six in a month. Typically, they locate one every two ...

TRI-CITIES, Wash. - Mount Adams, the largest active volcano in Washington State, recently experienced an unusual increase in ...