In a recent article “Do directionality effects influence expected damage? A case study of the 2017 central Mexico earthquake,” Pinzón et al. (2018) provided an interesting analysis of a building that collapsed in Mexico City during the 19 September 2017 Mw 7.1 central Mexico earthquake. According to Pinzón et al. (2018), “a detailed analysis of the directionality of seismic actions recorded at nearby accelerometric stations and of the azimuths of sound and damaged buildings indicates that directionality effects were responsible for the collapse of the building.” Several possible causes of the collapse were investigated by the authors: structural...

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