2026-07-03T14:43:51.87Z37.130332946777-121.440498352054.4800000190735manualconfirmedUSGS1.21md1Origin/20260703144616.542997.26961Magnitude/20260703144616.543059.26962USGS16 km ENE of San Martin, CAregion namenccatalognc75388631contributorID