2025-09-08T16:35:01.17Z36.7569999694824-121.399665832529.44999980926514manualconfirmedUSGS1.52md1Origin/20250908163705.894369.494299Magnitude/20250908163705.894421.494300USGS7 km SW of Ridgemark, CAregion namenccatalognc75234972contributorID