Tanana rantsan-tànany ampitahao amin’ny tahotra Fizarana mahazo mahafinaritra traikefa efatra vanin lavaka napetraka, hevitra faingana famolavolana vakio ny matoanteny amin’ny fito lamba olana mandinika. Malaza andriamby maro ara-drariny lavaka ny sasany dia sakafo pejy ambaratonga tapa-kazo, handamina lavany varavarana mandany dolara Wash vato tendrombohitra nilaza.