ARCHIVE // SH // TIME-SERIES
Terrain
Saint Helena, Ascension, and Tristan da Cunha — 36 years of data
Historical Values
| Year | Value |
|---|---|
| 1990 | rugged, volcanic; small scattered plateaus and plains |
| 1991 | rugged, volcanic; small scattered plateaus and plains |
| 1992 | rugged, volcanic; small scattered plateaus and plains |
| 1993 | rugged, volcanic; small scattered plateaus and plains |
| 1994 | rugged, volcanic; small scattered plateaus and plains |
| 1995 | rugged, volcanic; small scattered plateaus and plains |
| 1996 | rugged, volcanic; small scattered plateaus and plains lowest point: Atlantic Ocean 0 m highest point: Queen Mary's Peak 2,060 m |
| 1997 | rugged, volcanic; small scattered plateaus and plains |
| 1998 | Saint Helena-rugged, volcanic; small scattered plateaus and plains note: the other islands of the group have a volcanic origin |
| 1999 | Saint Helena--rugged, volcanic; small scattered plateaus and plains note: the other islands of the group have a volcanic origin |
| 2000 | Saint Helena - rugged, volcanic; small scattered plateaus and plains note: the other islands of the group have a volcanic origin |
| 2001 | Saint Helena - rugged, volcanic; small scattered plateaus and plains note: the other islands of the group have a volcanic origin |
| 2002 | Saint Helena - rugged, volcanic; small scattered plateaus and plains note: the other islands of the group have a volcanic origin |
| 2003 | Saint Helena - rugged, volcanic; small scattered plateaus and plains note: the other islands of the group have a volcanic origin |
| 2004 | Saint Helena - rugged, volcanic; small scattered plateaus and plains note: the other islands of the group have a volcanic origin |
| 2005 | Saint Helena - rugged, volcanic; small scattered plateaus and plains note: the other islands of the group have a volcanic origin |
| 2006 | 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 |
| 2007 | 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 |
| 2008 | 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 |
| 2009 | 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 |
| 2010 | 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 |
| 2011 | 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 |
| 2012 | 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 |
| 2013 | 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 |
| 2014 | 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 |
| 2015 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2016 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2017 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2018 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2019 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2020 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2021 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2022 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2023 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2024 | the islands of this group are of volcanic origin 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; terrain 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 |
| 2025 | the islands of this group are of volcanic origin 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; terrain 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 |