2026-03-16T06:20:15.96Z35.992832183838-120.5583343505910.85000038147manualconfirmedUSGS0.54md1Origin/20260316062433.383381.128458Magnitude/20260316062433.383462.128459USGS16 km NW of Parkfield, CAregion namenccatalognc75328107contributorID