2026-07-31T22:39:58.63Z39.391834259033-122.917831420911.359999656677manualconfirmedUSGS1.79md1Origin/20260731224233.075318.261817Magnitude/20260731224233.07538.261818USGS4 km ESE of Lake Pillsbury, CAregion namenccatalognc75409297contributorID