4.0 magnitude earthquake 4 km from San Ramon, California, United States

2025-12-20 03:56:09 UTC

UTC time: Saturday, December 20, 2025 03:56 AM

Your time: 2025-12-20T03:56:09Z

Magnitude Type: mw

USGS page: M 4.0 - 5 km SSE of San Ramon, CA

USGS status: Reviewed by a seismologist

Reports from the public: 2224 people

2025-12-20 03:56:09 UTC 4.0 magnitude, 9 km depth
San Ramon, California, United States

This earthquake is on the map of Northern California and San Francisco Bay Area, California and is close to:

San Francisco Bay Area, California San Francisco Bay, California San Pablo Bay, California Northern California Long Valley Area, California Central California Lassen Peak Area, California Coast Of California Medicine Lake Area, California Santa Barbara Channel, California Nevada Santa Monica Bay, California