California has experienced earthquake swarms for nearly a week, with the same city as the epicenter each time. Officials ...

A rare, ultra-long earthquake in Myanmar revealed that mature faults can deliver their full force directly to the surface.

For millions of Californians, the ground did not simply shake once and fall silent. It pulsed again and again over roughly ...

An earthquake of magnitude 2.9 shook the East Bay on Saturday afternoon, according to the United States Geological Survey.

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, ...