A cluster of 30 earthquakes hits Northern Calif. day after Sonoma 4.0 quake
Northern California experienced clustered small earthquakes near The Geysers and Sonoma, with induced activity linked to geothermal fluids while overall seismicity remains relatively subdued.
Earthquake swarm rattles California on Thanksgiving
Multiple small earthquakes occurred near The Geysers geothermal field, where geothermal operations and local faults contribute to frequent, sometimes induced, seismicity.
