California has dozens of earthquakes every day. Most are below 3.0 magnitude, so small that they aren’t felt.

An instrument called an interrogator allows researchers to effectively hijack fiber optic cables for use as thousands of ...

SAN FRANCISCO – An earthquake shook parts of the San Francisco Bay Area early Monday morning. According to the U.S.

An earthquake with a magnitude of around 7 is likely to hit the San Francisco Bay Area in the next 10 years ... the largely man-made island is at risk of devastation when the "Big One" hits. “ ...

Among the areas at risk after a megaquake along the Cascadia subduction zone are the Humboldt Bay region, including the area around Eureka and Arcata. A long-feared monster earthquake off ...