2026-07-21T04:38:22.31Z39.715167999268-123.521163940439.0299997329712manualconfirmedUSGS1.55md1Origin/20260721044010.251762.167893Magnitude/20260721044010.251823.167894USGS4 km NW of Laytonville, CAregion namenccatalognc75402867contributorID