word | | Natural hazards |
| impediment | United States | ... the Atlantic and Gulf of Mexico coasts; tornadoes in the midwest and southeast; mud slides in California; forest fires in the west; flooding; permafrost in northern Alaska, a major impediment to development |
| inaccessible | Svalbard | ice floes often block the entrance to Bellsund (a transit point for coal export) on the west coast and occasionally make parts of the northeastern coast inaccessible to maritime traffic |
| inactive | French Southern and Antarctic Lands | Ile Amsterdam and Ile Saint-Paul are inactive volcanoes; Iles Eparses subject to periodic cyclones; Bassas da India is a maritime hazard since it is under water for a period of three ... |
| India | French Southern and Antarctic Lands | ... Amsterdam and Ile Saint-Paul are inactive volcanoes; Iles Eparses subject to periodic cyclones; Bassas da India is a maritime hazard since it is under water for a period of three hours ... |
| Indian | Djibouti | earthquakes; droughts; occasional cyclonic disturbances from the Indian Ocean bring heavy rains and flash floods |
| Indus | Pakistan | frequent earthquakes, occasionally severe especially in north and west; flooding along the Indus after heavy rains (July and August) |
| infestation | Madagascar | periodic cyclones, drought, and locust infestation |
| influencing | Pacific Ocean | ... common in August and September); cyclical El Nino/La Nina phenomenon occurs in the equatorial Pacific, influencing weather in the Western Hemisphere and the western Pacific; ships subject to superstructure icing in ... |
| infrequent | Barbados | infrequent hurricanes; periodic landslides |
| infrequent | Marshall Islands | infrequent typhoons |
| intensity | Nepal | severe thunderstorms, flooding, landslides, drought, and famine depending on the timing, intensity, and duration of the summer monsoons |
| interannual | Southern Ocean | ... 0.5 to 1 m thick) with sometimes dynamic short-term variations and with large annual and interannual variations; deep continental shelf floored by glacial deposits varying widely over short distances; high winds ... |
| interfere | Sweden | ice floes in the surrounding waters, especially in the Gulf of Bothnia, can interfere with maritime traffic |
| interior | Antarctica | katabatic (gravity-driven) winds blow coastward from the high interior; frequent blizzards form near the foot of the plateau; cyclonic storms form over the ocean and move clockwise along the coast; volcanism ... |
| interior | Canada | ... 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 |
| interior | Oman | summer winds often raise large sandstorms and dust storms in interior; periodic droughts |
| inundated | Bangladesh | droughts, cyclones; much of the country routinely inundated during the summer monsoon season |
| Island | Antarctica | ... plateau; cyclonic storms form over the ocean and move clockwise along the coast; volcanism on Deception Island and isolated areas of West Antarctica; other seismic activity rare and weak; large icebergs may ... |
| Island | Arctic Ocean | ice islands occasionally break away from northern Ellesmere Island; icebergs calved from glaciers in western Greenland and extreme northeastern Canada; permafrost in islands; virtually ice locked from October to June; ships subject ... |
| island | Christmas Island | the narrow fringing reef surrounding the island can be a maritime hazard |
| island | Denmark | ... a threat in some areas of the country (e.g., parts of Jutland, along the southern coast of the island of Lolland) that are protected from the sea by a system of dikes |
| island | Greenland | continuous permafrost over northern two-thirds of the island |
| Island | Heard Island and McDonald Islands | Mawson Peak, an active volcano, is on Heard Island |
| island | Saint Vincent and the Grenadines | hurricanes; Soufriere volcano on the island of Saint Vincent is a constant threat |
| island | United States Pacific Island Wildlife Refuges | Baker, Howland, and Jarvis Islands: the narrow fringing reef surrounding the island can be a maritime hazard Kingman Reef: wet or awash most of the time, maximum elevation of less than 2 ... |