2021-09-11T13:52:38.0000Z40.330833-121.21166711.25manualconfirmedIRIS1.24Md1Origin/20210911215710.213399.776233Magnitude/20210911215710.213451.776234IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73623606contributorID