Supershear earthquakes are more common than previously believed, some scientists say — carrying potentially profound risk for ...

LOS ANGELES COUNTY, CA - A 2.3 magnitude quake was registered close to Gardena Monday morning, according to the U.S.

STANISLAUS COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.5 magnitude quake occurred close to ...

Researchers at the Statewide California Earthquake Center at USC Dornsife warn that powerful, fast-moving earthquakes could ...

A new type of seismic threat is gaining attention among geologists—and it could have serious implications for California. Known as “supershear” earthquakes, these rare but devastating quakes travel ...

A series of earthquakes, including two measuring 3.5, shook the Big Bear area overnight. The first temblor – a 3.5-magnitude ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

Geologic clues reveal a hidden link between two major faults. A Cascadia quake might set the San Andreas in motion soon after ...

A series of small earthquakes hit near the Big Bear area in San Bernardino County starting late Saturday night into Sunday ...

Scientists compared sediment deposits created by underwater landslides from earthquakes within the Cascadia Subduction Zone ...

MARIPOSA COUNTY, CA - A 2.8 magnitude quake was recorded near Mariposa Saturday afternoon, according to the U.S. Geological Survey. At 2:28 p.m., the region was shaken by a tremor. The earthquake ...

Supershear earthquakes, which cause intense shaking, are more common than once thought, posing a risk to California. New research urges updates to seismic forecasts and infrastructure assessments, ...