2026-08-15T15:35:32.82Z39.370498657227-123.23116302496.5900001525879manualconfirmedUSGS1.64md1Origin/20260815153747.701765.384713Magnitude/20260815153747.701822.384714USGS12 km ESE of Willits, CAregion namenccatalognc75418837contributorID