posted on 2013-02-14, 02:23authored byEdgar E. Lara-Ramírez, Mario A. Rodríguez-Pérez, Miguel A. Pérez-Rodríguez, Monsuru A. Adeleke, María E. Orozco-Algarra, Juan I. Arrendondo-Jiménez, Xianwu Guo
The dark grey areas indicate the Oaxaca focus and the Northern and Southern Chiapas foci.