widely known as lava tubes, are formed in a geological instant—a year or two, sometimes weeks—by an eruption from the Earth’s crust. Most of Hawaii’s lava tubes are formed by a type of ...
Hawaii's network of lava tubes is a fascinating destination in and of itself. These pyroducts, as they are scientifically named, are formed by rivers of lava that reach temperatures of more than ...
A man in Hawaii has died after falling down a "lava tube" - a tunnel formed by volcanic eruptions - while trimming trees on his property. Police say the 71-year-old had apparently fallen about ...