2025-12-18T11:17:36.08Z38.8366661071777-122.8086700439452.67000007629395manualconfirmedUSGS0.64md1Origin/20251218112004.182778.264303Magnitude/20251218112004.182843.264304USGS8 km WNW of Cobb, CAregion namenccatalognc75282026contributorID