2021-12-20T22:09:16.0000Z40.344833-124.28116622.74manualconfirmedIRIS2.23Md1Origin/20211220221224.579383.520130Magnitude/20211220221224.579442.520131IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73666526contributorID