2023-04-12T16:19:59.0000Z38.794666-122.7503362.19manualconfirmedIRIS1.03Md1Origin/20230412162228.911689.15106Magnitude/20230412162228.911738.15107IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73872445contributorID