2026-08-22T10:07:01.46Z36.727001190185-121.419670104987.0700001716614manualconfirmedUSGS2.3md1Origin/20260822100936.016921.464864Magnitude/20260822100936.016981.464865USGS11 km SSW of Ridgemark, CAregion namenccatalognc75422897contributorID