2025-12-23T13:56:01.9Z36.7859992980957-121.4083328247075.80000019073486manualconfirmedUSGS1.59md1Origin/20251223135752.086865.33491Magnitude/20251223135752.086915.33492USGS5 km SW of Ridgemark, CAregion namenccatalognc75285291contributorID