3.1 magnitude earthquake 3 km from Piedmont, California, United States

2003-12-18 00:22:42 UTC

UTC time: Thursday, December 18, 2003 00:22 AM
Your time: 2003-12-18T00:22:42Z
Magnitude Type: ml
USGS page: M 3.1 - San Francisco Bay area, California
USGS status: Reviewed by a seismologist
Reports from the public: 1375 people