This sensor, one of 52 — half of them in Homer, half in Kodiak — that Quigley and other Alaska Earthquake Center scientists ...

Personal lines were crossed, threats backfired and a deeply conservative state drew limits on loyalty politics.

The quake, which occurred off the coast of Aomori prefecture, followed a 7.5-magnitude earthquake this week that injured at ...

A strong, 6.7-magnitude earthquake struck in the North Pacific Ocean on Thursday, according to the United States Geological ...

The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...

California’s governor said a false earthquake alert sent by the U.S. Geological Survey’s early warning system last week ...

A minor earthquake with a preliminary magnitude of 3.3 struck in Southern California on Thursday, according to the United ...

Moonquakes were once a scientific curiosity buried in Apollo-era data. Now a fresh analysis of those tremors is forcing ...

The Hidden Architecture of Earth's Interior Earth's structure resembles a giant onion with distinct layers, each playing a ...