At the Seismological Society of America's Annual Meeting, researchers posed a seemingly simple question: how wide are faults?

The magnitude 5.2 earthquake that shook most of Southern California on Monday did not result in any reported injuries or ...

Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults—some so infamous ...

A magnitude 5.8 earthquake rocked Sarangani province at 5:42 a.m. Wednesday, the Philippine Institute of Volcanology and ...

A magnitude 5.7 earthquake shook the province of Sarangani early Wednesday morning, reports from the Philippine Institute of ...