2023-12-10T19:54:14.0000Z38.871334-122.8229982.09manualconfirmedIRIS1.67Md1Origin/20231210195656.605485.74091Magnitude/20231210195656.605549.74092IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73974316contributorID