word | | Terrain |
| volcanic | French Southern and Antarctic Lands | Ile Amsterdam (Ile Amsterdam et Ile Saint-Paul): a volcanic island with steep coastal cliffs; the center floor of the volcano is a large plateau Ile Saint-Paul (Ile Amsterdam et Ile ... |
| volcanic | Grenada | volcanic in origin with central mountains |
| volcanic | Guam | volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in ... |
| volcanic | Jan Mayen | volcanic island, partly covered by glaciers |
| volcanic | Mayotte | generally undulating, with deep ravines and ancient volcanic peaks |
| volcanic | Micronesia, Federated States of | islands vary geologically from high mountainous islands to low, coral atolls; volcanic outcroppings on Pohnpei, Kosrae, and Chuuk |
| volcanic | Montserrat | volcanic island, mostly mountainous, with small coastal lowland |
| volcanic | Netherlands Antilles | generally hilly, volcanic interiors |
| volcanic | Norfolk Island | volcanic formation with mostly rolling plains |
| volcanic | Northern Mariana Islands | southern islands are limestone with level terraces and fringing coral reefs; northern islands are volcanic |
| volcanic | Pitcairn Islands | rugged volcanic formation; rocky coastline with cliffs |
| volcanic | Saint Helena | the islands of this group result from volcanic activity associated with the Atlantic Mid-Ocean Ridge Saint Helena: rugged, volcanic; small scattered plateaus and plains Ascension: surface covered by lava flows and ... |
| volcanic | Saint Kitts and Nevis | volcanic with mountainous interiors |
| volcanic | Saint Lucia | volcanic and mountainous with some broad, fertile valleys |
| volcanic | Saint Vincent and the Grenadines | volcanic, mountainous |
| volcanic | Samoa | two main islands (Savaii, Upolu) and several smaller islands and uninhabited islets; narrow coastal plain with volcanic, rocky, rugged mountains in interior |
| volcanic | Sao Tome and Principe | volcanic, mountainous |
| volcanic | South Georgia and the South Sandwich Islands | ... rising steeply from the sea, are rugged and mountainous; South Georgia is largely barren and has steep, glacier-covered mountains; the South Sandwich Islands are of volcanic origin with some active volcanoes |
| volcanic | Tonga | most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base |
| volcanic | United States | vast central plain, mountains in west, hills and low mountains in east; rugged mountains and broad river valleys in Alaska; rugged, volcanic topography in Hawaii |
| volcanic | United States Pacific Island Wildlife Refuges | low and nearly level sandy coral islands with narrow fringing reefs that have developed at the top of submerged volcanic mountains, which in most cases rise steeply from the ocean floor |
| volcanic | Vanuatu | mostly mountainous islands of volcanic origin; narrow coastal plains |
| volcanic | Wallis and Futuna | volcanic origin; low hills |
| volcano | France | ... Grande-Terre is low limestone formation; most of the seven other islands are volcanic in origin Martinique: mountainous with indented coastline; dormant volcano Reunion: mostly rugged and mountainous; fertile lowlands along coast |
| volcano | French Southern and Antarctic Lands | ... et Ile Saint-Paul): a volcanic island with steep coastal cliffs; the center floor of the volcano is a large plateau Ile Saint-Paul (Ile Amsterdam et Ile Saint-Paul): triangular in ... |
| volcano | Heard Island and McDonald Islands | Heard Island - 80% ice-covered, bleak and mountainous, dominated by a large massif (Big Ben) and an active volcano (Mawson Peak); McDonald Islands - small and rocky |
| volcano | Wake Island | atoll of three low coral islands, Peale, Wake, and Wilkes, built up on an underwater volcano; central lagoon is former crater, islands are part of the rim |