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Global Volcanism Program | Image GVP-03457

Lava flows from fountains at the Mauna Ulu cone in the background cascade down the Aloi crater walls on 30 December 1969. The 1969-74 Mauna Ulu eruption eventually filled both Aloi crater west of Mauna Ulu, and Alae crater to the east. Photo by Don Swanson, 1969 (U.S. Geological Survey).

Lava flows from fountains at the Mauna Ulu cone in the background cascade down the Aloi crater walls on 30 December 1969. The 1969-74 Mauna Ulu eruption eventually filled both Aloi crater west of Mauna Ulu, and Alae crater to the east.

Photo by Don Swanson, 1969 (U.S. Geological Survey).

Keywords: lava | lava flow | eruption | lava fountain | vent | gas | plume


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