USGS
Hawaiian Volcano 
Observatory

Photo Information


Lava fountains on March 26, 1984
Photograph by J.D. Griggs on March 26, 1984.

Lava fountains erupt from the principal vents of the 1984 eruption of Mauna Loa, high on the northeast rift zone. Referred to as the 2,900-m vents, they are 19 km east of the original outbreak point that began within Moku`aweoweo caldera about 36 hours earlier. Six separate structures eventually formed around the vents, including a cinder cone at the uprift end and a lava shield at the downrift end. The most productive vent along this fissure is in upper left. Note person in lower left.


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Updated: 21 January, 2004 (pnf)