2025-12-04T17:38:03.55Z38.8228340148926-122.7675018310552.1manualconfirmedUSGS1.02md1Origin/20251204174031.948831.136543Magnitude/20251204174031.948881.136544USGS4 km W of Cobb, CAregion namenccatalognc75274401contributorID