2021-09-07T17:57:20.0000Z39.746334-123.5315026.66manualconfirmedIRIS1.9Md1Origin/20210907195417.149994.733573Magnitude/20210907195417.150053.733574IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73621811contributorID