The Mauna Ulu eruption of Kilauea Volcano in Hawaii lasted from 1969 to 1974 – a total of 1,774 days. Back then, it was Kilauea’s longest recorded eruption, producing approximately 460 million cubic yards of lava over those 5 years. It was truly a rare natural phenomenon. Dome fountain of episode 10, October 10–13, 1969,...