###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q57411647: Earthquake spectra and near-source attenuation in the Cascadia subduction zone (Q57411647) : scientific article : ( delete | history | links | entity usage | logs ) Duplicate of Earthquake spectra and near-source attenuation in the Cascadia subduction zone (Q57411649) -- Trilotat ( talk ) 12:22, 29 October 2018 (UTC)