2026-06-04T14:17:31.22Z37.529335021973-121.904830932629.0600004196167manualconfirmedUSGS2.69md1Origin/20260604141927.24756.52497Magnitude/20260604141927.247621.52498USGS7 km ESE of Fremont, CAregion namenccatalognc75370736contributorID