2025-10-22T08:37:07.72Z36.7815017700195-121.4440002441415.42000007629395manualconfirmedUSGS1.51md1Origin/20251022083935.584403.65488Magnitude/20251022083935.584464.65489USGS8 km WSW of Ridgemark, CAregion namenccatalognc75252771contributorID