California earthquakes News

New Research Links Some California Quakes to Oil Operations

A 2005 spate of quakes in California’s Central Valley almost certainly was triggered by oilfield injection underground, a study published Thursday said in the first such link in California between oil and gas operations and earthquakes. Researchers at the University …

Researchers Create New Quake Model of Coachella Valley Faults

New three-dimensional (3D) numerical modeling that captures far more geometric complexity of an active fault segment in southern California than any other, suggests that the overall earthquake hazard for towns on the west side of the Coachella Valley such as …

Series of California Earthquakes Tied to Tectonics

A seismologist says a series of more than 600 earthquakes during a 24-hour period in the Mammoth Lakes region may have been caused by water pressure from area hot springs. The Los Angeles Times reports Saturday that U.S. Geological Survey …