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