| Country | Natural hazards |
| China | frequent typhoons (about five per year along southern and eastern coasts); damaging floods; tsunamis; earthquakes; droughts; land subsidence
volcanism: China contains some historically active volcanoes including Changbaishan (also known as Baitoushan, Baegdu, or P'aektu-san), Hainan Dao, and Kunlun although most have been relatively inactive in recent centuries |
| 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
volcanism: Galeras (elev. 4,276 m) is one of Colombia's most active volcanoes, having erupted in 2009 and 2010 causing major evacuations; it has been deemed a "Decade Volcano" by the International Association of Volcanology and Chemistry of the Earth's Interior, worthy of study due to its explosive history and close proximity to human populations; Nevado del Ruiz (elev. 5,321 m), 129 km (80 mi) west of Bogota, erupted in 1985 producing lahars that killed 23,000 people; the volcano last erupted in 1991; additionally, after 500 years of dormancy, Nevado del Huila reawakened in 2007 and has experienced frequent eruptions since then; other historically active volcanoes include Cumbal, Dona Juana, Nevado del Tolima, and Purace |
| Comoros | cyclones possible during rainy season (December to April); volcanic activity on Grand Comore
volcanism: Karthala (elev. 2,361 m) on Grand Comore Island last erupted in 2007; a 2005 eruption forced thousands of people to be evacuated and produced a large ash cloud |
| 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
volcanism: Nyiragongo (elev. 3,470 m), which erupted in 2002 and is experiencing ongoing activity, poses a major threat to the city of Goma, home to a quarter of a million people; the volcano produces unusually fast-moving lava, known to travel up to 100 km /hr; Nyiragongo has been deemed a "Decade Volcano" by the International Association of Volcanology and Chemistry of the Earth's Interior, worthy of study due to its explosive history and close proximity to human populations; its neighbor, Nyamuragira, which erupted in 2010, is Africa's most active volcano; Visoke is the only other historically active volcano |
| Congo, Republic of the | seasonal flooding |
| Cook Islands | typhoons (November to March) |
| Coral Sea Islands | occasional tropical cyclones |
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This page was last updated on 3 February, 2012 |
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