2026-09-10T13:09:08.68Z38.836498260498-122.803337097172.210000038147manualconfirmedUSGS1.02md1Origin/20260910131135.63903.38994Magnitude/20260910131135.639088.38995USGS7 km WNW of Cobb, CAregion namenccatalognc75433117contributorID