According to the map, Thimphu, Paro, Punakha, Bumthang and Trongsa valleys fall in low and moderate hazard areas, while Haa, Chukha, Trashigang, Mongar, Lhuentse and Trashiyangtse and the southern dzongkhags are in high and very high risk areas.
Bhutan so far lacked a seismic map and earlier it was thought that either the whole of Bhutan lay in zone 5 or that western Bhutan was in zone 4 and eastern Bhutan in zone 5. |