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New eruption in the Afar region of Ethiopia 2 July 2009

Posted by admin in activity reports, Africa, eruptions, Ethiopia.
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Thermal anomalies and dense sulphur dioxide plumes in Ethiopia appear to indicate that a significant effusive eruption has taken place in the Manda Hararo area of the western Afar region. There is as yet no visual confirmation of the eruption from the ground.

There was a VEI=2 eruption at the Manda Hararo volcanic complex in August 2007, and a larger (possibly VEI=3) eruption in the Alu-Dalaffilla region in November 2008. In terms of size, volcanic SO2 expert Prof Simon Carn of Michigan Technical University reports that the current Manda Hararo event seems to lie somewhere between the two.

The MODIS thermal alerts service at the University of Hawaii has shown hotspots of varying intensity over a considerable area of the Manda Hararo region since 27 June, while the OMI Sulfur Dioxide Group has mapped considerable SO2 emissions on 29 and 30 June:

Aura/OMI - 06/29/2009 10:21-12:03 UT (NASA/KNMI/NIVR/FMI)

Aura/OMI - 06/30/2009 11:04-11:08 UT (NASA/KNMI/NIVR/FMI)

[Thanks to Volcanism Blog reader Gijs de Reijke for information received.]

UPDATE: Dr Erik Klemetti has an informative post about this event at Eruptions. He has also wisely used maps showing up-to-date political boundaries, thus saving himself a heap of trouble.

For other Ethiopian volcanism coverage: Ethiopia « The Volcanism Blog.

Information
Global Volcanism Program: Manda Hararo – summary information for Manda Hararo (0201-115)

The Volcanism Blog

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