2025-12-19T09:04:21.8Z37.8316650390625-122.07150268554710.8000001907349manualconfirmedUSGS0.92md1Origin/20251219090640.59519.272627Magnitude/20251219090640.595241.272628USGS4 km WSW of Alamo, CAregion namenccatalognc75282626contributorID