An earthquake has struck California's Bay Area right along a fault line experts now fear may be the surprise cause of the long-awaited 'Big One.' The US Geological Survey (USGS) said the 3.2 ...

The Bay Area’s major fault lines (Image courtesy USGS) Which Bay Area fault will rupture with a major earthquake, next? “The Hayward Fault will rupture violently again, and perhaps soon ...

The 800-mile San Andreas Fault is one of the largest fault lines in the world. A meeting of the North American and Pacific tectonic plates, this transform fault (where two tectonic plates move ...

Using advanced underwater scanning techniques, scientists have mapped the Cascadia Subduction Zone — a 600-mile fault line extending from southern Canada to northern California — in never ...

A new paper in the journal Nature offers an explanation for why the major fault line is overdue for the Big One. By Thomas Fuller It has been about three centuries since the last great earthquake ...

The 800-mile San Andreas Fault is one of the largest fault lines in the world. A meeting of the North American and Pacific tectonic plates, this transform fault (where two tectonic plates move ...

(FOX40.COM) — On Thursday night, three earthquakes were detected near California’s most active fault, the San Andreas Fault, according to records from the United States Geological Surve… ...

SACRAMENTO, Calif. (KTXL) — There are more than 500 active faults and 15,700 known faults in California, and most residents live within 30 miles of an active fault, according to the California ...

Each was the result of the Cascadia subduction zone, a ~600-mile-long fault line running from southern British Columbia to Northern California. ... and the other major cities in the quake zone.