Exploratory Analysis of the Total Variation of Electrons in the Ionosphere before Telluric Events Greater than M7.0 in the World During 2015-2016 Journal title: International Journal of Advanced Computer Science & Applications Authors: Alva Mantari Alicia, Zarate Segura Guillermo Wenceslao, Sotomayor Beltran Carlos, Brian Meneses-Clau... Subject(s):