Southern California was rocked by a trio of earthquakes in just hours. Two of the quakes struck in 10 minutes, with tremors ...

Since Thursday, at least 131 earthquakes have been recorded — as small as magnitude 0.2 and as big as magnitude 4 — in the ...

Multiple earthquakes shook parts of California over the weekend, including a temblor in San Bernardino County. The first was ...

Northern California was jolted early this morning as multiple earthquakes struck within a short time frame, sparking fears of ...

Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia Subduction Zone.

According to the U.S. Geological Survey, a preliminary 2.4 magnitude quake struck near Petrolia Wednesday morning.

MONTEREY COUNTY, CA - A 2.5 magnitude quake was registered near New Idria Saturday evening, the U.S. Geological Survey ...

An earthquake with a preliminary magnitude of 3.1 struck in Colusa County on Wednesday, the U.S. Geological Survey said.

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The ...

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

More than 100 small earthquakes have been recorded near the Geysers geothermal field in Northern California since just after midnight Thursday, according to the U.S. Geological Survey.

Back in California, the San Andreas Fault is remarkably similar to the Sagaing Fault. Both are straight strike-slip faults, ...