word | | Natural hazards |
| surrounding | Sweden | ice floes in the surrounding waters, especially in the Gulf of Bothnia, can interfere with maritime traffic |
| surrounding | 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 ... |
| susceptible | El Salvador | known as the Land of Volcanoes; frequent and sometimes destructive earthquakes and volcanic activity; extremely susceptible to hurricanes |
| susceptible | Ethiopia | geologically active Great Rift Valley susceptible to earthquakes, volcanic eruptions; frequent droughts |
| susceptible | Guatemala | numerous volcanoes in mountains, with occasional violent earthquakes; Caribbean coast extremely susceptible to hurricanes and other tropical storms |
| susceptible | Honduras | frequent, but generally mild, earthquakes; extremely susceptible to damaging hurricanes and floods along the Caribbean coast |
| susceptible | Nicaragua | destructive earthquakes, volcanoes, landslides; extremely susceptible to hurricanes |
| swarms | Eritrea | frequent droughts; locust swarms |
| table | Thailand | land subsidence in Bangkok area resulting from the depletion of the water table; droughts |
| term | Southern Ocean | ... bergs and iceberg fragments; sea ice (generally 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 ... |
| thick | Southern Ocean | ... to several hundred meters; smaller bergs and iceberg fragments; sea ice (generally 0.5 to 1 m thick) with sometimes dynamic short-term variations and with large annual and interannual variations; deep continental ... |
| thirds | Greenland | continuous permafrost over northern two-thirds of the island |
| threat | Belgium | flooding is a threat along rivers and in areas of reclaimed coastal land, protected from the sea by concrete dikes |
| threat | Denmark | flooding is 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 ... |
| threat | Dominica | flash floods are a constant threat; destructive hurricanes can be expected during the late summer months |
| threat | Guyana | flash floods are a constant threat during rainy seasons |
| threat | Saint Vincent and the Grenadines | hurricanes; Soufriere volcano on the island of Saint Vincent is a constant threat |
| threatened | Aruba | hurricanes; lies outside the Caribbean hurricane belt and is rarely threatened |
| threatened | Netherlands Antilles | Sint Maarten, Saba, and Sint Eustatius are subject to hurricanes from July to October; Curacao and Bonaire are south of Caribbean hurricane belt and are rarely threatened |
| Thunder | Bhutan | violent storms from the Himalayas are the source of the country's name, which translates as Land of the Thunder Dragon; frequent landslides during the rainy season |
| thunderstorms | India | droughts; flash floods, as well as widespread and destructive flooding from monsoonal rains; severe thunderstorms; earthquakes |
| thunderstorms | Nepal | severe thunderstorms, flooding, landslides, drought, and famine depending on the timing, intensity, and duration of the summer monsoons |
| tide | French Southern and Antarctic Lands | ... to periodic cyclones; Bassas da India is a maritime hazard since it is under water for a period of three hours prior to and following the high tide and surrounded by reefs |
| time | Kiribati | typhoons can occur any time, but usually November to March; occasional tornadoes; low level of some of the islands make them sensitive to changes in sea level |
| time | United States Pacific Island Wildlife Refuges | ... surrounding the island can be a maritime hazard Kingman Reef: wet or awash most of the time, maximum elevation of less than 2 m makes Kingman Reef a maritime hazard Midway Islands ... |