2026-03-31T22:31:08.54Z37.982166290283-122.0521697998114.159999847412manualconfirmedUSGS1.39md1Origin/20260331223254.480016.81659Magnitude/20260331223254.48008.81660USGS2 km E of Pacheco, CAregion namenccatalognc75336597contributorID