2025-12-22T21:41:07.09Z37.7623329162598-121.9298324584967.07000017166138manualconfirmedUSGS2.23md1Origin/20251222214307.87408.28527Magnitude/20251222214307.874128.28528USGS5 km ESE of San Ramon, CAregion namenccatalognc75284951contributorID