2025-10-11T08:31:08.33Z37.851165771484403-121.77249908447316.850000381469702manualconfirmedUSGS1.59md1Origin/20251011083340.080275.812682Magnitude/20251011083340.080327.812683USGS9 km SSW of Brentwood, CAregion namenccatalognc75247751contributorID