2021-05-18T18:56:56.0000Z40.3015-124.47083310.14manualconfirmedIRIS1.81Md1Origin/20210518195043.055626.89120Magnitude/20210518195043.055673.89121IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73564280contributorID