*Satoru Oishi¹, Vakhtang Licheli² (1.Research Center for Urban Safety and Security Kobe University, 2.Iv. Javakhishvili Tbilisi State University)

*Manuel Calvo-Rathert^1,5, Natalia Garcia-Redondo¹, Angel Carrancho², Avto Gogichaishvili³, Vakhtang Licheli⁴ (1.Departamento de Fisica, EPS, Universidad de Burgos, Burgos, Spain , 2.Departamento de Historia, Geografía y Comunicación, Universidad de Burgos, Burgos, Spain., 3.Servicio Arqueomagnetico Nacional – Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Morelia, Mexico, 4.Institute of Archaeology, Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia., 5.Hawaii Institute of Geophysics and Planetology, University of Hawaii at Manoa, Honolulu, Hawaii, United States)