2026-01-20T23:46:07.98Z36.7366676330566-121.4254989624027.9manualconfirmedUSGS1.72md1Origin/20260121113202.93489.4375Magnitude/20260121113202.934943.4376USGS10 km SSW of Ridgemark, CAregion namenccatalognc75299061contributorID