2026-09-03T03:21:02.77Z36.78450012207-121.342163085943.8manualconfirmedUSGS1.47md1Origin/20260903032258.767516.65549Magnitude/20260903032258.7676.65550USGS2 km WSW of Tres Pinos, CAregion namenccatalognc75429042contributorID