2026-06-30T18:56:41.68Z38.83716583252-122.816665649411.9700000286102manualconfirmedUSGS0.45md1Origin/20260630185846.529673.1927Magnitude/20260630185846.529737.1928USGS8 km WNW of Cobb, CAregion namenccatalognc75387076contributorID