2025-11-12T12:56:38.83Z37.7610015869141-121.9396667480477.57000017166138manualconfirmedUSGS1.62md1Origin/20251112125914.365744.18155Magnitude/20251112125914.3658.18156USGS4 km ESE of San Ramon, CAregion namenccatalognc75262361contributorID