List of volcanoes in the United Kingdom

There are no active volcanoes in the United Kingdom of Great Britain and Northern Ireland, although a few do exist in some British Overseas Territories, including Queen Mary's Peak in Tristan da Cunha, Soufrière Hills volcano on the Caribbean island of Montserrat, as well as Mount Belinda and Mount Michael in the British Overseas Territory of South Georgia and the South Sandwich Islands.

Main article: Lists of volcanoes

The last time that volcanoes were active in what is now the United Kingdom was the early Palaeogene period, just over 50 million years ago (Ma), associated with the opening of the Atlantic Ocean. Modern day hills and mountains within the UK which are sometimes described as extinct volcanoes are usually the deeply eroded roots of volcanoes active in prehistoric times.[1] Some locations popularly believed to be volcanoes, such as The Wrekin, actually have different origins, such as being sites where volcanic material was deposited.[2]

List

Below is a list of extinct volcanoes in the United Kingdom.

England
NameElevationLocationLast eruption
metresfeetCoordinates
Bardon Hill[3]27691252°42′52″N 1°19′14″W570 Ma
Calton Hill[4]--53°14′25″N 1°49′23″W330 Ma
Cawsand volcano[5]--50°19′52″N 4°12′08″W280 Ma
The Cheviot[6]815267455°28′42″N 2°08′44″W390 Ma
Gurnard's Head[5]--50°11′30″N 5°35′57″W400 Ma
Haweswater caldera[7]--54°31′08″N 2°48′17″W-
Helvellyn[8]950311854°31′38″N 3°00′58″W-
Langdale caldera--54.45°N 3.07°E / 54.45; 3.07 (Warboys)Ordovician
Lundy (?)[9]14336951°10′48″N 04°40′12″W2.6 Ma
Scafells (including Scafell Pike)978320954°27′15.2″N 3°12′41.5″W430 Ma
Speedwell vent[10]--53°20′29″N 1°47′32″WCarboniferous
Warboys[11]--52.4°N 0.07°W / 52.4; -0.07 (Warboys)Hercynian orogeny

Northern Ireland
NameElevationLocationLast eruption
metresfeetCoordinates
Carrickarede--60 Ma
Giant's Causeway in Northern Ireland--55°15′00″N 6°29′07″WPalaeogene
Scawt Hill378124054°54′38″N 5°54′55″W-
Slemish437143454°52′55″N 6°5′49″WPalaeogene
Slieve Gallion528173254°44′N 6°46′W-
Slieve Gullion573188054°08′N 6°26′WPalaeocene
Tievebulliagh402131955.07419°N 6.13302°W / 55.07419; -6.13302 (Tievebulliagh)-

Scotland
NameElevationLocationLast eruption
metresfeetCoordinates
Anton Dohrn Seamount--57°30′N 11°00′W40-70 Ma
Ardnamurchan--56°44′00″N 5°59′00″Wearly Eocene: c.55 Ma
Arthur's Seat in Edinburgh25182455°56′39″N 3°09′43″W298.9 Ma
Ben Nevis1345441156°47′49″N 5°00′13″W298.9 Ma
Cuillin Hills (on Isle of Skye)57°12′N 6°12′W43 Ma
Dundee Law extinct volcano in Dundee50056°28′11″N 2°59′22″W443.8
Elie Ness[12]--56°11′24″N 2°49′24″W-
Eshaness stratovolcano[13]--60°29′N 1°35′W-
Glen Coe Caldera--56°40′08″N 5°01′34″W 416.0 Ma
Hebrides Terrace Seamount--56°28′N 10°17′W48 Ma
North Berwick Law18761356°03′05″N 2°42′58″W298.9 Ma
Peniel Heugh[14]23777855.5292°N 2.5508°W / 55.5292; -2.5508 (Peniel Heugh)-
Rockall175657°35′46.7″N 13°41′14.3″W-
Rùm volcano[15]8122,66456°59′38″N 6°20′38″W-

Wales
NameElevationLocationLast eruption
metresfeetCoordinates
Deganwy Castle volcano[16]11063153.2975°N 3.8290°W / 53.2975; -3.8290 (Deganwy Castle)-
Mynydd y Dref[17] 24480153°16′59″N 3°51′45″W450 Ma
Rhobell Fawr734240852.814°N 3.802°W / 52.814; -3.802 (Rhobell Fawr)-
Snowdon10853560-
Treffgarne Rocks--51.8742°N 4.9694°W / 51.8742; -4.9694 (Treffgarne)Ordovician

See also

References
  1. Emeleus, C.H.; Bell, B.R. (2005). The Palaeogene volcanic districts of Scotland (Fourth ed.). Nottingham: British Geological Survey, NERC. p. 6. ISBN 0852725191.
  2. "Shropshire - Features - The Wrekin". BBC. Retrieved 11 June 2021.
  3. "Volcano models". British Geological Survey.
  4. British GS Calton Hill, accessed 21 October 2008
  5. Charlotte, Becquart (14 January 2021). "Cornwall's volcanoes that were active hundreds of millions of years ago". Cornwall Live. Retrieved 23 March 2021.
  6. Scrutton, Colin. "Page 1 Cheviot - early Devonian volcanic rocks,granite and basement".
  7. Geology of England and Wales, pp118ff
  8. Oldroyd, David Roger (2002). Earth, Water, Ice and Fire - Two Hundred Years of Geological Research in the English Lake District. Geological Society. p. 277. ISBN 9781862391079. Retrieved 23 March 2021.
  9. Smith, Sandy; Roberts, Clive. "The Geology of Lundy" (PDF). LFS. Retrieved 16 September 2022.
  10. Cheshire, S. G.; Bell, J.D. (1 December 1976). "The Speedwell Vent, Castleton, Derbyshire: A Carboniferous Littoral Cone". Proceedings of the Yorkshire Geological Society. 41 (2): 173–184. doi:10.1144/pygs.41.2.173.
  11. "The ancient volcano that's 81 miles from London". Heritage Daily. Heritage Daily. 10 May 2020. Retrieved 23 March 2021.
  12. Gernon, T M; Upton, B G J; Ugra, R; Yucel, C; Taylor, R N; Elliot, H (2016). "Complex subvolcanic magma plumbing system of an alkali basaltic maar-diatreme volcano (Elie Ness, Fife, Scotland)". Lithos. 264: 70–85. doi:10.1016/j.lithos.2016.08.001. Retrieved 16 September 2022.
  13. "Eshaness Coast, Shetland: A blast from the past". Scottish Geology. Retrieved 2 May 2021.
  14. "Peniel Heugh". Geology North. Retrieved 23 March 2021.
  15. Hamilton MA, Pearson DG, Thompson RN, Kelly SP, Emeleus CH (1998) Rapid eruption of Skye lavas inferred from precise U-Pb and Ar-Ar dating of the Rum and Cuillin plutonic complexes. Nature 394: 260-263
  16. "Put a cork in it". Geocaching.com. Retrieved 9 September 2014.
  17. BBC website Archived August 29, 2007, at the Wayback Machine
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