Kazumura Cave

Kazumura Cave
LocationHawaii County, Hawaii
Depth3,613 feet (1,101 m)
Length40.7 miles (65.5 km)
GeologyAila'au Lava Flow (500 years old)
Entrances101
DifficultyEasy to Difficult
HazardsVaried
AccessPrivate
Arched passages in the main tube show the classic lava tube shape. The floor was the crust on a former lava lake that fell inward as it drained from beneath.
Collapse into a round lava lake after it drained. The source of the lava is the lavafall in the background.
A forest of sensitive tree roots in the main corridor of Kazumura.

Kazumura Cave is a lava tube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lava tube in the world.[note 1][2][3] The cave is located on the island of Hawaiʻi on the eastern slope of Kīlauea. Kīlauea is the most recently active volcano on the Big Island. The ʻAilāʻau lava flow that contains Kazumura Cave originated from the Kīlauea Iki Crater about 500 years ago.[3][4]

  1. ^ Halliday, William (November 1995), A Record Year in Hawaii, NSS NEWS, archived from the original on 2012-03-17, retrieved 2011-06-26
  2. ^ 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)
  3. ^ a b Allred, Kevin & Carlene (April 1997), Development and Morphology of Kazumura Cave, Hawaii, Journal of Cave and Karst Studies (PDF), retrieved 2011-06-26
  4. ^ Kempe, Stephen (September 1999), Mapping Lava Flows by Surveying Lava Tubes; Example: Ailu'aa/Keauhou Flows, Kilauea / Hawaii, Proceedings of the IXth International Symposium on Vulcanospeleology (PDF), retrieved 2011-06-26


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