Francisco J Nuñez-Cornu¹, Carlos A Mortera-Gutierrez², Diego Córdoba Barba Sr³, Juan Jose Dañobeitia⁴, William Lee Bandy⁵, Diana Nunez⁶, Edgar Alarcon⁷, Claudia Beatriz M Quinteros Cartaya¹ and Carlos Suarez-Plascencia⁸, (1)University of Guadalajara, SisVOc, Guadalajara, Mexico, (2)UNAM, Coyoacan, Mexico, (3)Complutense University of Madrid, Madrid, Spain, (4)CSIC, UTM, Barcelona, Spain, (5)Universidad Nacional Autonoma de Mexico, Instituto de Geofisica, Mexico City, Mexico, (6)Universidad de Guadalajara, SisVOc, Puerto Vallarta, Mexico, (7)University of Guadalajara, Puerto Vallarta, Mexico, (8)Universidad de Guadalajara, SisVOc, Guadalajara, Mexico