| Country | Natural hazards |
| Haiti | lies in the middle of the hurricane belt and subject to severe storms from June to October; occasional flooding and earthquakes; periodic droughts |
| Heard Island and McDonald Islands | Mawson Peak, an active volcano, is on Heard Island |
| Holy See (Vatican City) | NA |
| Honduras | frequent, but generally mild, earthquakes; extremely susceptible to damaging hurricanes and floods along the Caribbean coast |
| Hong Kong | occasional typhoons |
| Hungary | void |
| Iceland | earthquakes and volcanic activity volcanism: Iceland, situated on top of a hotspot, experiences severe volcanic activity; Eyjafjallajokull (elev. 1,666 m) erupted in 2010, sending ash high into the atmosphere and seriously disrupting European air traffic; scientists continue to monitor nearby Katla (elev. 1,512 m), which has a high probability of eruption in the very near future, potentially disrupting air traffic; Grimsvoetn and Hekla are Iceland's most frequently active volcanoes; other historically active volcanoes include Askja, Bardarbunga, Brennisteinsfjoll, Esjufjoll, Hengill, Krafla, Krisuvik, Kverkfjoll, Oraefajokull, Reykjanes, Torfajokull, and Vestmannaeyjar |
| India | droughts; flash floods, as well as widespread and destructive flooding from monsoonal rains; severe thunderstorms; earthquakes volcanism: Barren Island (elev. 354 m) in the Andaman Sea has been active in recent years |
| Indian Ocean | occasional icebergs pose navigational hazard in southern reaches |
| Indonesia | occasional floods; severe droughts; tsunamis; earthquakes; volcanoes; forest fires volcanism: Indonesia contains the most volcanoes of any country in the world - some 76 are historically active; significant volcanic activity occurs on Java, western Sumatra, the Sunda Islands, Halmahera Island, Sulawesi Island, Sangihe Island, and in the Banda Sea; Merapi (elev. 2,968 m), Indonesia's most active volcano and in eruption since 2010, 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; other notable historically active volcanoes include Agung, Awu, Karangetang, Krakatau (Krakatoa), Makian, Raung, and Tambora |
| Iran | periodic droughts, floods; dust storms, sandstorms; earthquakes |
| Iraq | dust storms; sandstorms; floods |
| Ireland | NA |
| Isle of Man | NA |
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This page was last updated on 3 February, 2012 |
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