USGS
Hawaiian Volcano Observatory

Photo Information


`A`a lava flow, Mauna Loa Volcano
Photograph by J.D. Griggs at 6:41 a.m. HST on March 25, 1984.

`A`a lava flow advances down the southeast flank of Mauna Loa during the early morning on March 25; the uppermost part of the channel is about 10 m wide. This flow was fed from vents along the northeast rift zone at the 3,700-m level. At 9:10 a.m., however, new fountains appeared 7 km further east at about the 3,410-m level, and the supply of lava to this flow ceased.


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Updated: 6 July 1998