An incandescent lava flow from Mauna Ulu emerges from a lava tube and descends the Poliokeawe Pali cliff on 1 January 1973. Lava flows traveled 12 km to reach the coast over a 9-km-wide front during the 1969-74 eruption.

Photo by Don Peterson, 1973 (U.S. Geological Survey).

Keywords: lava | lava flow | eruption

Kilauea