Ol Doinyo Lengai volcano news and activity updates:

Ol Doinyo Lenai volcano (Tanzania), eruption news: large summit eruption, lava overflows and ash plume (?)

Thu, 6 Sep 2007, 11:47
11:47 AM |
Satellite image of the eruption at Lengai volcano (image: NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team)
Satellite image of the eruption at Lengai volcano (image: NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team)
A large eruption seems to be taking place at Lengai volcano, this time for real: On 4 Sept., reports started coming in that a large (natrocarbonatite?) lava flow is descending the West flank. A considerable ash plume was visible on satellite data.

Over 30 thermal anomalies have been detected by the MODIS team since August 23 - more than during the large eruption in March 2006. On 4 and 5 Sep, the thermal anomaly at the summit was extremely strong. From this and satellite imaginery, it seems that there was a short overflow to the East and a major overflow to the West starting on September 1st (it could be a bush fire on the volcano flank ignited by lava). New overflows on 5 Sep seem to be taking place on the W and NW flanks.

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Source: Matthieu Kervyn De Meerendre, Iniversity of Gent (Belgiim)

Previous news

Mon, 23 Jul 2007, 01:46
As more news has become available, the news about an effusive flank eruption at Lengai around 15 July turns out to be probably false. The observed "ashcloud" was dust from a landslide. This demonstrates how difficult it is in this area to have robust information. The ongoing seismic activity in the Gregory Rift, however, is quite peculiar. Read all
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