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Nabro eruption calming down? 14 June 2011

Posted by admin in activity reports, Africa, Eritrea, eruptions, Nabro.
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[Just a quick update on the Nabro eruption, as I have a busy day today.] Satellite images of Eritrea and Ethiopia this morning seem to show a quieter situation at Nabro, the Eritrean volcano that began erupting on Sunday night and produced an impressive plume yesterday. No sign of such a plume today: on first examination it’s difficult to distinguish any volcanic emissions from surrounding cloud. Below are two images from Sat24.com, showing the situation at 07:30 UTC this morning. The likelihood is that this event is a fissure eruption which had an explosive component at an early stage. Nabro has seen such fissure activity before, and perhaps not that long ago (in geological terms), but with so much of this remote and little-studied volcano’s history and character being unknown it’s difficult to state anything for certain.

Visual image of Eritrea/Ethiopia, 14 June 2011 07:30UTC (Sat24.com/Eumetsat/Met Office)

Above. Visual image of Eritrea/Ethiopia, 14 June 2011 07:30UTC (Sat24.com/Eumetsat/Met Office). Click on the image for full-size version.

Infrared image of Eritrea/Ethiopia, 14 June 2011 07:30UTC (Sat24.com/Eumetsat/Met Office)

Above. Infrared image of Eritrea/Ethiopia, 14 June 2011 07:30UTC (Sat24.com/Eumetsat/Met Office). Click on the image for full-size version.

The latest volcanic ash advisory from Toulouse VAAC, issued at 06:00 UTC, reports ‘continuous emission’ from the volcano with ash at between FL200 (20,000 feet/6000 metres altitude) in the vicinity of the eruption to FL450 (45,000 feet/13,700 metres altitude), predicted to reach at its extremes as far west as Chad and as far north as Uzbekistan by this afternoon.

Information
Global Volcanism Program: Nabro – summary information for Nabro (0201-101)

The Volcanism Blog

Comments

1. PuterMan - 14 June 2011

From the EUMETSAT ASH it looks as if this kicked off again around 13:00 today

2. admin - 14 June 2011

Looks like you’re right. I’ll try and catch up with developments later.

3. Gijs de Reijke - 14 June 2011

Good thing the Eritrean – Ethiopian border is shown on the maps ;-)

4. admin - 14 June 2011

Too right, Gijs! Learned my lesson there.

5. Wolbert - 15 June 2011

Mekelle, the capital of in Tigray (northern Ethiopia), where I am living, is still slightly covered by black vulcano ashes


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