A lava tube, or pyroduct,[1] is a natural conduit formed by flowing lava from a volcanic vent that moves beneath the hardened surface of a lava flow. If lava in the tube empties, it will leave a cave.

Africa

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Democratic Republic of the Congo

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Ethiopia

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  • 70 m lava tube cave has been recorded southeast of Addis Ababa and a smaller example on K'one Volcano[2]

Kenya

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  • Chyulu Hills – contains nearly 100 tubes[2]
  • Elmenteita Badlands north of Mt. Eburru – several small caves[2]
  • Emuruangogolak Volcano caves[2]
  • North Chyulu hills area – 20 caves are known[2]
  • Lake Tillam, near Korosi Volcano – several known lava tubes[2]
  • Mount Suswa – around 40 known caves totaling around 11 km[2]
  • Menengai Caldera – single vent-like cave[2]
  • Nyambeni Mountains near Maua – 2 known caves[2]

Rwanda

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  • Musanze System – total 5.1 km[2]
    • Ubuvomo bwa Musanze – 4.56 km[2]
    • Ubuvomo bwa Nyrabadogo – 1.5 km[2]

Tanzania

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Uganda

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  • Garama Cave – Kigesi District, is 342 m long[2]

Asia

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China

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Japan

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Saudi Arabia

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  • Harrat Khaybar lava field – Umm Jirsan lava tube – 1.5 km long (Pint 2009)

South Korea

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Europe

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Iceland

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Italy

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Portugal

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Spain

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North America

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Canada

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United States

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Oceania

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Australia

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Galapagos

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  • Bellavista lava tunnel[16]

New Zealand

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Samoa

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Extra Terrestrial

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References

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  1. ^ "Hawaiʻi Volcanoes National Park – Lava Tubes". National Park Service. 28 April 2020. Retrieved 21 July 2020.
  2. ^ a b c d e f g h i j k l m n o p q r s Jim W. Simons "Volcanic Caves of East Africa – An Overview " Int. J. Spelenl.. 27 B (1/4), (1998): 11–20
  3. ^ Forti; Galli; Rossi (July 2004). "Minerogenesis of Volcanic Caves of Kenya". International Journal of Speleology. 32: 3–18. doi:10.5038/1827-806X.32.1.1. Archived from the original on 2017-04-09. Retrieved 7 Apr 2017.
  4. ^ Clive Ward "Lava Caves of Kilimanjaro. Mawenzi Lava Tubes" Int. J. Speleol., 27 I3 (1/4), (1998): 53.56.
  5. ^ a b c d e f g h i j k l m n Chris Wood & Haiyan Zhang "Volcanic Centres and Lava Caves in China" Proceedings 14th International Symposium on Vulcanospeleology, 2010 pp. 123–129
  6. ^ Barclay, Jennifer (2012-04-27). "10 Reasons Travelers Can't Keep Away from Jeju Island". CNN Travel. Archived from the original on 2015-12-24. Retrieved 2015-12-23.
  7. ^ "Manjanggul Lava Tube [National Geopark] (만장굴 (제주도 국가지질공원)) : VISITKOREA". Manjanggul Lava Tube [National Geopark] (만장굴 (제주도 국가지질공원)). Retrieved 2023-12-11.
  8. ^ "Surtshellir-Stefánshellir System". Caves of Iceland. Showcaves. Archived from the original on 2012-04-24. Retrieved 2007-08-07.
  9. ^ "Caves of Craters of the Moon National Monument and Preserve, Idaho". National Park Service. 2018-02-08. Retrieved 2021-01-25.
  10. ^ Polyak, Victor J.; Provencio, Paula P. (2020). "The 'hornito-style' lava stalagmites and lava column in Lava Column Cave, El Malpais National Monument" (PDF). New Mexico Geological Society Special Publication. 14: 37–40. Retrieved 2020-10-24.
  11. ^ Gulden, Bob (2011-06-21), World's Longest Lava Tubes, archived from the original on May 15, 2006, retrieved 2011-06-26{{citation}}: CS1 maint: unfit URL (link)
  12. ^ Newberry National Volcanic Monument
  13. ^ Donnelly-Nolan, J. M.; Stovall, W. K.; Ramsey, D. W.; Ewert, J. W.; Jensen, R. A. (2011). Hendley II, J. W. (ed.). Newberry Volcano – Central Oregon's Sleeping Giant: USGS Fact Sheet 2011–3145 (PDF). United States Geological Survey.
  14. ^ Snow Canyon State Park. Utah.gov state park website.
  15. ^ Subway Cave, United States Department of Agriculture. Accessed 20 June 2021.
  16. ^ "Lava Tubes of Bellavista on Santa Cruz, the Galápagos". 27 June 2016.