2020-12-04T12:35:58.0000Z39.041168-123.0468377.97manualconfirmedIRIS1.38Md1Origin/20201204123920.913926.2474239Magnitude/20201204123920.913977.2474240IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73493295contributorID