2025-12-19T08:37:18.86Z37.7636680603027-121.9478302001953.78999996185303manualconfirmedUSGS1.97md1Origin/20251219083923.156036.272539Magnitude/20251219083923.156089.272540USGS3 km SE of San Ramon, CAregion namenccatalognc75282616contributorID