Brazil
recurring droughts in northeast; floods and occasional frost
in south

British Indian Ocean Territory
NA

British Virgin Islands
hurricanes and tropical storms (July to
October)

Brunei
typhoons, earthquakes, and severe flooding are rare

Bulgaria
earthquakes; landslides

Burkina Faso
recurring droughts

Burma
destructive earthquakes and cyclones; flooding and landslides
common during rainy season (June to September); periodic droughts

Burundi
flooding; landslides; drought

Cambodia
monsoonal rains (June to November); flooding; occasional
droughts

Cameroon
volcanic activity with periodic releases of poisonous gases
from Lake Nyos and Lake Monoun volcanoes
volcanism: Mt. Cameroon (elev. 4,095 m, 13,435 ft), which last
erupted in 2000, is the most frequently active volcano in West
Africa; lakes in Oku volcanic field have released fatal levels of
gas on occasion, killing some 1,700 people in 1986