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

Canada
continuous permafrost in north is a serious obstacle to
development; cyclonic storms form east of the Rocky Mountains, a
result of the mixing of air masses from the Arctic, Pacific, and
North American interior, and produce most of the country's rain and
snow east of the mountains

Cape Verde
prolonged droughts; seasonal harmattan wind produces
obscuring dust; volcanically and seismically active

Cayman Islands
hurricanes (July to November)

Central African Republic
hot, dry, dusty harmattan winds affect
northern areas; floods are common

Chad
hot, dry, dusty harmattan winds occur in north; periodic
droughts; locust plagues

Chile
severe earthquakes; active volcanism; tsunamis

China
frequent typhoons (about five per year along southern and
eastern coasts); damaging floods; tsunamis; earthquakes; droughts;
land subsidence

Christmas Island
the narrow fringing reef surrounding the island can
be a maritime hazard

Clipperton Island
NA

Cocos (Keeling) Islands
cyclone season is October to April

Colombia
highlands subject to volcanic eruptions; occasional
earthquakes; periodic droughts

Comoros
cyclones possible during rainy season (December to April);
Le Kartala on Grand Comore is an active volcano

Congo, Democratic Republic of the
periodic droughts in south; Congo
River floods (seasonal); in the east, in the Great Rift Valley,
there are active volcanoes

Congo, Republic of the
seasonal flooding

Cook Islands
typhoons (November to March)

Coral Sea Islands
occasional tropical cyclones

Costa Rica
occasional earthquakes, hurricanes along Atlantic coast;
frequent flooding of lowlands at onset of rainy season and
landslides; active volcanoes

Cote d'Ivoire
coast has heavy surf and no natural harbors; during
the rainy season torrential flooding is possible

Croatia
destructive earthquakes

Cuba
the east coast is subject to hurricanes from August to November
(in general, the country averages about one hurricane every other
year); droughts are common

Cyprus
moderate earthquake activity; droughts

Czech Republic
flooding

Denmark
flooding is a threat in some