2023-12-14T23:29:11.0000Z39.360667-122.8706673.85manualconfirmedIRIS1.68Md1Origin/20231216183753.751482.8703Magnitude/20231216183753.751534.8704IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73976331contributorID