**8. Acknowledgments**

Authors are indebted to the National Seismological Service (SSN, Servicio Sismológico Nacional) dependent of National Autonomous University of Mexico (UNAM) for provided the EQ data used for this study, in particular to Casiano Jiménez Cruz for the corrected seismic catalogue. Sharon M. Valverde-Esparza was supported by the Consejo Nacional de Ciencia y Tecnología Scholarship.
