2023-07-31T23:30:01.0000Z39.428665-122.71099910.81manualconfirmedIRIS2.75Ml1Origin/20230731233248.22006.243101Magnitude/20230731233248.220113.243102IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73918856contributorID