Experts caution that the Cascadia Subduction Zone — a 700-mile fault line stretching from Northern California to British ...

Scientists warn that the Cascadia Subduction Zone — a 700-mile fault system running from Northern California to British Columbia — is overdue for a major rupture by 326 years, having last ruptured in ...

Smaller quakes from secondary faults—which are not included in national seismic hazard modeling—occur more frequently than ...

A minor, 3.3-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.

A preliminary magnitude 6.1 earthquake has struck northern Japan but there are no immediate reports of fatalities or property damage, the U.S.

A strong, 6.1-magnitude earthquake struck in Japan on Monday, according to the United States Geological Survey. The temblor ...

A 3.4-magnitude earthquake rattled the Cabazon area on Sunday, the United States Geological Survey reported. The earthquake ...

A preliminary 3.6 magnitude earthquake hit the Inland Empire on Sunday morning, according to the United States Geological ...

An earthquake with a preliminary magnitude of 3.6 rattled near the Stagecoach country music festival grounds in Riverside ...

A magnitude 3.6 earthquake struck just north of Cabazon Sunday morning and could be felt at least as far east as Palm Springs ...

While the 1906 epicenter was just offshore of San Francisco, the rupture was very long, extending 200 miles north to Cape Mendocino and 60 miles south to Santa Cruz. This entire fault rupture was the ...

A strong earthquake in southeast Missouri on Thursday is giving experts a closer look at activity along the New Madrid ...