2025-06-02T01:36:27.55Z37.8530006408691-122.2393341064456.15999984741211manualconfirmedUSGS2.4md1Origin/20250602013859.109748.58519Magnitude/20250602013859.109807.58520USGS3 km of Piedmont, CAregion namenccatalognc75189761contributorID