2026-05-09T20:03:32.51Z38.794834136963-122.723999023441.9299999475479manualconfirmedUSGS0.77md1Origin/20260509200529.293113.136351Magnitude/20260509200529.293173.136352USGS3 km S of Cobb, CAregion namenccatalognc75357856contributorID