First Author:   Helder Rojas Department of Mathematics, Imperial College London helder_rojas@hotmail.com         Second Author: Macavilca Tello Bartolome School of Statistical Engineering, National University of Engineering bmacavilcat@uni.edu.pe         Third Author: Kevin Fernandez Institute of Geosciences, University of São Paulo fernandezkevin512@gmail.com         Fourth Author: Oscar Cutipa-Luque School of Statistical Engineering, National University of Engineering oscar.cutipa.l@uni.pe