2023-12-10T12:16:50.0000Z38.847168-122.81251.48manualconfirmedIRIS1.91Md1Origin/20231210122003.601907.72539Magnitude/20231210122003.601964.72540IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73974181contributorID