Ground motions from the 7 and 19 September 2017 Tehuantepec and Puebla‐Morelos, Mexico, earthquakes - Sahakian, Valerie; Melgar Moctezuma, Diego; Quintanar, Luis; Ramirez-Guzman, Leonardo; Perez-Campos, Xyoli; Baltay, Annemarie (Bulletin of the Seismological Society of America, 2018)