Ol Doinyo Lengai volcano, Feb 2007
In Feb. 2007, Ol Doinyo Lengai's summit was characterized by the formation of a large collapse crater and the absense of visible activity. However, magma moving at shallow depths beneath the surface was clearly audible.
A report of this visit can be found here.
A report of this visit can be found here.
The tall hornito T49b still standing. To the right, the collapse area in the center of the crater. (... [info]
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The central collapse area (Photo: Tom Pfeiffer) [info]
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(681 Hits)
Hornito T49b behind the collapse area (Photo: Tom Pfeiffer) [info]
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A cavity in the ground, probably the interior of a hornito now covered to the top by lava flows. (Ph... [info]
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Stalactites hanging fromthe walls of the cavity. (Photo: Tom Pfeiffer) [info]
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(817 Hits)
The green ridge that separates the active north crater from the south crater is seen in the backgrou... [info]
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(620 Hits)
The (older) crater walls beneath the green summit ridge in the background. A person for scale. (Phot... [info]
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(1373 Hits)
The unstable rim of the pit crater (Photo: Tom Pfeiffer) [info]
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(694 Hits)
A weak glow from shallow magma is visible from one of the holes in the floor of the collapse pit. Mo... [info]
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Peter, our Maassai guide, in front of the remaining of hornito T49b, miraculously still standing nex... [info]
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The same hornito seen more from the east, showing the cut by the collapse. (Photo: Tom Pfeiffer) [info]
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The majestic cone of Ol Doinyo Lengai stratovolcano and the grassland at its feet seen from the NE. ... [info]
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The north crater at night the full moon illuminates a moonscape. (Photo: Tom Pfeiffer) [info]
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(763 Hits)
View from the summit onto the active north crater dominated by the large hornito T49b and the collap... [info]
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For comparison: a view from the same position in January 2008... Wide angle view of the northern cra... [info]
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(2698 Hits)
The path on the ridge leading to the summit. (Photo: Tom Pfeiffer) [info]
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(845 Hits)
