2025-08-16T20:21:29.86Z37.4958333333333-121.3873333333335.34manualconfirmedUSGS0.52md1Origin/20250818190952.829465.287397Magnitude/20250818190952.829517.287398USGS17 km W of Westley, CAregion namenccatalognc75224717contributorID