Terrain (2005) | Terrain (2006) | ||
![]() |
British Indian Ocean Territory | flat and low (most areas do not exceed four meters in elevation) | flat and low (most areas do not exceed two meters in elevation) |
![]() |
Guatemala | mostly mountains with narrow coastal plains and rolling limestone plateau (Peten) | mostly mountains with narrow coastal plains and rolling limestone plateau |
![]() |
Holy See (Vatican City) | low hill | urban; low hill |
![]() |
Iles Eparses | - | Bassas da India: atoll, awash at high tide; shallow (15 m) lagoon
Europa Island, Glorioso Islands, Juan de Nova Island: low, flat, and sandy Tromelin Island: low, flat, sandy; likely volcanic seamount |
![]() |
Montenegro | - | highly indented coastline with narrow coastal plain backed by rugged high limestone mountains and plateaus |
![]() |
Saint Helena | Saint Helena - rugged, volcanic; small scattered plateaus and plains
note: the other islands of the group have a volcanic origin |
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 cinder cones of 44 dormant volcanoes; ground rises to the east Tristan da Cunha: sheer cliffs line the coastline of the nearly circular island; the flanks of the central volcanic peak are deeply dissected; narrow coastal plain lies between The Peak and the coastal cliffs |
![]() |
Serbia | - | extremely varied; to the north, rich fertile plains; to the east, limestone ranges and basins; to the southeast, ancient mountains and hills |
![]() |
Serbia and Montenegro | extremely varied; to the north, rich fertile plains; to the east, limestone ranges and basins; to the southeast, ancient mountains and hills; to the southwest, extremely high shoreline with no islands off the coast | - |
![]() |
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 |
![]() |
Wake Island | atoll of three coral islands built up on an underwater volcano; central lagoon is former crater, islands are part of the rim | 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 |