 Insiguro yisanamu, Ikarata yUbuyapani Abaraba ivyo ubutaka muri Amerika bari bamenyesheje ko ico ca nyamugigima kiza kuba gifise igipimo ca 7.3, ariko mu nyuma bavuga ko kiza gushikana 6.9, igipimo kiri hasi ugereranije nicari cavuzwe na bagenzi babo bo mu Buyapani. 