2026-03-02T07:30:52.26Z37.7586669921875-121.9326629638672.1199998855590798manualconfirmedUSGS1.95md1Origin/20260302073321.474854.103973Magnitude/20260302073321.474912.103974USGS5 km ESE of San Ramon, CAregion namenccatalognc75321167contributorID