2025-12-27T05:03:25.49Z36.7851676940918-121.4118347167976.4manualconfirmedUSGS1.82md1Origin/20251227050608.575405.62683Magnitude/20251227050608.575455.62684USGS5 km SW of Ridgemark, CAregion namenccatalognc75286961contributorID