word | | Natural hazards |
| lowlands | Costa Rica | occasional earthquakes, hurricanes along Atlantic coast; frequent flooding of lowlands at onset of rainy season and landslides; active volcanoes |
| lowlands | Senegal | lowlands seasonally flooded; periodic droughts |
| Maarten | 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 |
| Madeira | Atlantic Ocean | ... Ocean from February to August and have been spotted as far south as Bermuda and the Madeira Islands; ships subject to superstructure icing in extreme northern Atlantic from October to May; persistent ... |
| March | American Samoa | typhoons common from December to March |
| March | Benin | hot, dry, dusty harmattan wind may affect north from December to March |
| March | Bolivia | flooding in the northeast (March-April) |
| March | Cook Islands | typhoons (November to March) |
| March | Ghana | dry, dusty, northeastern harmattan winds occur from January to March; droughts |
| March | 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 |
| March | Kuwait | ... are common from October to April and bring heavy rain, which can damage roads and houses; sandstorms and dust storms occur throughout the year but are most common between March and August |
| March | Liberia | dust-laden harmattan winds blow from the Sahara (December to March) |
| March | Mauritania | hot, dry, dust/sand-laden sirocco wind blows primarily in March and April; periodic droughts |
| March | New Caledonia | cyclones, most frequent from November to March |
| March | Pitcairn Islands | typhoons (especially November to March) |
| maritime | Ashmore and Cartier Islands | surrounded by shoals and reefs that can pose maritime hazards |
| maritime | Atlantic Ocean | ... and the Madeira Islands; ships subject to superstructure icing in extreme northern Atlantic from October to May; persistent fog can be a maritime hazard from May to September; hurricanes (May to December |
| maritime | Christmas Island | the narrow fringing reef surrounding the island can be a maritime hazard |
| maritime | French Southern and Antarctic Lands | ... 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 prior to and ... |
| maritime | Mauritius | cyclones (November to April); almost completely surrounded by reefs that may pose maritime hazards |
| maritime | Pacific Ocean | ... Hemisphere and the western Pacific; ships subject to superstructure icing in extreme north from October to May; persistent fog in the northern Pacific can be a maritime hazard from June to December |
| maritime | Saint Pierre and Miquelon | persistent fog throughout the year can be a maritime hazard |
| maritime | Spratly Islands | typhoons; numerous reefs and shoals pose a serious maritime hazard |
| maritime | 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 |
| maritime | Sweden | ice floes in the surrounding waters, especially in the Gulf of Bothnia, can interfere with maritime traffic |
| maritime | 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 ... |
| Marmara | Turkey | severe earthquakes, especially in northern Turkey, along an arc extending from the Sea of Marmara to Lake Van |