1967-1968 Summit Eruption

Over 31 eruptive phases, the 1967-1968 summit eruption pumped 84 million cubic meters (110 million cubic yards) of lava into Halemaʻumaʻu Crater. The eruption lasted 251 days with seething fountains, a lava lake, and stunning rivulets of molten rock.
 
Pond of molten lava in a volcanic crater
Halemaʻumaʻu crater on December 29th, 1967 (USGS Photo/R. Fiske)
 
 
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Last updated: March 11, 2021

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