2025-12-21T03:08:54.51Z37.7471656799316-121.9458312988287.53000020980835manualconfirmedUSGS1.4md1Origin/20251221031129.842987.12791Magnitude/20251221031129.843041.12792USGS5 km SE of San Ramon, CAregion namenccatalognc75283736contributorID