2024-02-18T08:06:37.0000Z38.831165-122.8181691.36manualconfirmedIRIS1.02Md1Origin/20240218081017.81954.13522Magnitude/20240218081017.819593.13523IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc74004271contributorID