2023-04-28T05:44:18.0000Z40.9565-122.18214.56manualconfirmedIRIS1.61Md1Origin/20230428060531.982817.182059Magnitude/20230428060531.982869.182060IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73881281contributorID