Global Volcanism Program | Image GVP-03572
Lava stalactites are abundant on the ceiling of a 1984 fissure within the Mauna Loa Moku’aweoweo caldera. They formed when molten lava was flowing through, dripping and solidifying as they cooled. This section of the 1984 fissure erupted through the 1949 scoria cone located on the SW caldera rim.
Photo by Paul Kimberly, 1994 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.