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Thurston lava tube, Hawaii

Thurston lava tube, Hawaii
Thurston lava tube, Hawaii Thurston lava tube is located on Kilauea. When lava flows out onto the surface, it cools on top and may form a solid roof. The roof insulates the still-liquid lava below it, allowing it to continue to flow. Lava may flow through tubes like these for many kilometers. At the end of the eruption, the lava can drain completely out of the tube, leaving a hollow remnant of the flow that forms an underground cavern. This lava tube is about 3 meters in height. P. Mouginis-Mark, LPI