1. Federal University of Bahia (UFBA/IF-DFTMA), Center for Research in Geophysics and Geology (CPGG), Rua Barão de Geremoabo, Salvador, Bahia, Brazil..
2. Federal University of Bahia (UFBA/IF-DFTMA) and INCT-GP, Center for Research in Geophysics and Geology (CPGG), Rua Barão de Geremoabo, Salvador, Bahia, Brazil.(corresponding author).