2023-04-17T03:47:24.0000Z38.821835-122.7991643.08manualconfirmedIRIS0.77Md1Origin/20230417035031.74279.57766Magnitude/20230417035031.742842.57767IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73874540contributorID