A magnitude 4.2 earthquake shook southern Alaska on Friday, according to the U.S. Geological Survey. The quake happened at 11 ...

The Mount Veniaminof study may help prepare for eruptions for other volcanoes near major population centers around the world.

Welcome to your weekly seismic update from across the state, brought to you by the Alaska Earthquake Center, where we monitor ground shaking 24-7.

The earthquake was centered near Adak at a depth of 27.1 kilometers (about 17 miles). The USGS said it received zero reports ...

An earthquake with a preliminary magnitude of 3.1 rattled Riverside County on Wednesday. According to the U.S. Geological Survey, the quake struck at 6:21 a.m. The epicenter was roughly 6.1 miles ...

An early-morning 3.1-magnitude earthquake woke parts of Southern California, the U.S. Geological Survey reported. The about 7 ...

An earthquake with a preliminary magnitude of 3.4 rattled the coastal Los Angeles County area Tuesday. According to the U.S. Geological Survey, the quake struck at 12:15 p.m. The epicenter ...

A 3.4-magnitude earthquake hit off the Southern California coast, the U.S. Geological Survey reported. The 7-mile deep quake ...

Some volcanoes erupt with little to no warning, posing serious risks to nearby communities and air traffic. A study of Alaska ...

A new study explains why some volcanoes erupt “stealthily” and offers a roadmap to improve eruption forecasting.

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

A 3.3-magnitude earthquake shook the San Francisco area in California, the U.S. Geological Survey reported. The 6-mile deep ...