2026-05-10T20:17:18.74Z38.854167938232-122.817169189458.1000003814697manualconfirmedUSGS0.78md1Origin/20260510201952.857177.151687Magnitude/20260510201952.857239.151688USGS9 km WNW of Cobb, CAregion namenccatalognc75358446contributorID