2025-09-08T17:37:53.2Z36.757999420166-121.4059982299810.7600002288818manualconfirmedUSGS1.4md1Origin/20250908173938.980615.494767Magnitude/20250908173938.980668.494768USGS7 km SW of Ridgemark, CAregion namenccatalognc75235032contributorID