The Alaska earthquake was reported three days after a 5.6-magnitude earthquake was reported in Peru on June 15, according to ...

The earthquake was centered near Petrolia at a depth of 16.8 kilometers (about 10.4 miles). The USGS said it received five ...

An increase in seismicity—marked by frequent tremors—was observed recently at Alaska's Iliamna Volcano, which last erupted in ...

ALSWORTH, Alaska – A magnitude 4.2 earthquake shook southern Alaska on Friday, according to the U.S. Geological Survey. The ...

Welcome to your weekly seismic update from across the state, brought to you by the Alaska Earthquake Center, where we monitor ...

The 2002 Denali Fault Earthquake would have a profound effect on the career of the Russia-born Ruppert, who after 30 years at the Alaska Earthquake Center in Fairbanks is now moving on to a new ...

A 3.3-magnitude earthquake shook the Arcata area in Northern California, the U.S. Geological Survey reported. The 14-mile ...

Two days after a magnitude 7.0 earthquake struck near Anchorage, Alaska is still shaking. Since Friday's tremor, the strongest to strike The Last Frontier since a 7.9 in the remote Rat Islands in ...

When volcanoes are preparing to erupt, scientists rely on typical signs to warn people living nearby: deformation of the ...

Justin Smith of Gustavus writes in a commentary that in an emergency, he turns to KTOO, his local public media station.

City of Pinole hit by an earthquake at the same time as anti-immigration raids protests were taking place in downtown San Francisco.