2026-09-14T13:47:28.32Z37.87483215332-121.8098297119116.920000076294manualconfirmedUSGS2.99ml1Origin/20260914134951.152865.68093Magnitude/20260914134951.152926.68094USGS9 km SW of Brentwood, CAregion namenccatalognc75435557contributorID