NAPA COUNTY, CA - A preliminary 2.1 magnitude quake was recorded close to Yountville Monday evening, according to the U.S.
HUMBOLDT COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.0 magnitude quake occurred close to Ferndale ...
A magnitude 3.3 earthquake shook the Santa Rosa area in Northern California, followed by an overnight series of aftershocks, the U.S. Geological Survey reported.
Deep earthquakes remain one of the most puzzling phenomena in geophysics, and the phrase “mechanism that supercharges” them ...