2026-06-11T15:31:58.17Z38.816333770752-122.752166748052.0299999713898manualconfirmedUSGS0.53md1Origin/20260611153427.29574.1615Magnitude/20260611153427.295804.1616USGS3 km WSW of Cobb, CAregion namenccatalognc75374886contributorID