2026-01-28T16:09:05.16Z38.5156669616699-122.4321670532237.05000019073486manualconfirmedUSGS1.27md1Origin/20260128161108.130407.76745Magnitude/20260128161108.130472.76746USGS4 km ENE of Saint Helena, CAregion namenccatalognc75303206contributorID