2026-01-02T17:33:35.26Z37.7641677856445-121.9326629638670.910000026226044manualconfirmedUSGS1.84md1Origin/20260102173525.829355.115069Magnitude/20260102173525.829405.115070USGS4 km ESE of San Ramon, CAregion namenccatalognc75290011contributorID