• Key Information

  • Kazumura Cave

  • Type
    Lave Tube
  • Length
    40.7 miles
  • Depth
    3,613 ft
  • Origin
    Kīlauea Iki Crater
  • Age
    About 500 years old
  • Learning Point
  • Kazumura Cave are lava tubes, formed when lava on the surface is cooled and forms a crust to insulate the lave below, which once it drains away, leaves a long tube-like cave.
  • Project
  • Draw the caves with the volcano in the background.
  • Location
  • Located in
    Hawaii
  • Fun Facts
  • Kazumura Cave is the longest lave tube cave that we know about on Earth, stretching over 40 miles.
  • The caves were formed only 500 years ago when lave flowed out of the Kīlauea Iki Crater.
  • There are over a hundred entrances to the caves.
  • Lavacicles are formed when the last of the lava on the ceiling drips and cooles forming icicles made of solidified lava.