2026-07-31T14:45:14.65Z38.830665588379-122.784332275392.4700000286102manualconfirmedUSGS0.22md1Origin/20260731144719.39569.258673Magnitude/20260731144719.395748.258674USGS5 km W of Cobb, CAregion namenccatalognc75409107contributorID