California is betting big on geothermal energy for its green grid, but development faces long permitting delays. Now there’s a three-pronged effort in Sacramento to help the Golden State better ...

Close-up view of refugees as they flee along Grove Street from the so-called 'Ham & Eggs' fire, San Francisco, California, April 18, 1906. This fire started in a house on the south side of Hayes ...

MIDDLETOWN, Calif. (AP) — A magnitude 5 earthquake Wednesday morning jolted The Geysers, between Napa Valley and Clear Lake. Dishes rattled and diners looked around nervously but there was no ...

A huge swarm of earthquakes below 2.5 magnitude in 24 hours rattled the Geysers Geothermal Field in California, the U.S. Geological Survey reports.

A huge swarm of earthquakes below 2.5 magnitude in 24 hours rattled the Geysers Geothermal Field in California, the U.S. Geological Survey reports.

A swarm of more than 100 tiny earthquakes in 24 hours rattled.the Geysers Geothermal Field in California. U.S. Geological Survey A huge swarm of earthquakes below 2.5 magnitude in 24 hours rattled ...

A swarm of more than 100 tiny earthquakes in 24 hours rattled.the Geysers Geothermal Field in California. U.S. Geological Survey A huge swarm of earthquakes below 2.5 magnitude in 24 hours rattled ...

A huge swarm of earthquakes below 2.5 magnitude in 24 hours rattled the Geysers Geothermal Field in California, the U.S. Geological Survey reports.

Earthquakes have shaken north-central California residents, with a magnitude 4.4 tremor reported near Cobb and a 3.9 earthquake near The Geysers last week.

A huge swarm of earthquakes below 2.5 magnitude in 24 hours rattled the Geysers Geothermal Field in California, the U.S. Geological Survey reports.

A huge swarm of earthquakes below 2.5 magnitude in 24 hours rattled the Geysers Geothermal Field in California, the U.S. Geological Survey reports.