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Erta Ale volcano (Ethiopia) activity update: eruption continues from both summit and flank lava lake

Sun, 2 Apr 2017, 17:04
17:04 PM | BY: T
Erta Ale's eruption on SENTINEL 2 satellite imagery on March 30th (image: SENTINEL2 / ESA-Copernicus data; Composition / annotations: Culture Volcan)
Erta Ale's eruption on SENTINEL 2 satellite imagery on March 30th (image: SENTINEL2 / ESA-Copernicus data; Composition / annotations: Culture Volcan)
The flank lava lake and boundaries of the area covered by lava overflow since 10 March (image: SENTINEL2 / ESA / Copernicus; Composition / annotations: Culture Volcan)
The flank lava lake and boundaries of the area covered by lava overflow since 10 March (image: SENTINEL2 / ESA / Copernicus; Composition / annotations: Culture Volcan)
The activity remains very elevated at the volcano. Since the start of the (still ongoing) flank eruption in January, a second lava lake has formed at the flank eruption site and a growing lava field is active about 2-3 km northeast of it.

According to ground information and fresh high-resolution satellite imagery analyzed by Culture Volcan, the eruption continues to be significant and occurs from both the summit (lava lake in the southern pit crater) AND the fissure eruption site on the southern rift axis.
The summit lava lake, which first had dropped to about 100 m depth at the beginning of the flank eruption, had again risen to 40-50 m below its rim when observed by our latest group to the area in late February. The collapsed northern crater showed a short-lived heat signal around 10 March, suggesting a brief phase of activity (lava effusion ?) there, but this seems to have ceased.
The most significant activity is occurring on the southern rift at the site of the 21 Jan fissure eruption. The vents feed both a large second lava lake, approx. 175x80m wide, and a growing lava flow field to the northeast, with a width of approx. 1500 m and its most advanced from about 3500 m distance.
A gap in thermal signal between the lava lake and the active flow field, likely pahoehoe type similar to Kilauea volcano on Hawaii, suggests that the lava flows through a tube on the first part of the distance to the front.
Successive overflows of the flank lava lake seem to have progressively built up a vast, broad shield around it. Judging from satellite data, overflows from the lake have covered an area of almost 1 million square meters.

Previous news

Wed, 8 Feb 2017, 08:12

Erta Ale volcano (Ethiopia): overflowing lava lake 16-19 Jan 2017

A story in pictures of Erta Ale volcano's intense lava lake overflowing phase as witnessed by participants from our recent Volcano Special tour during 16-19 January 2017. Read all
Fri, 27 Jan 2017, 20:05

Erta Ale volcano (Ethiopia): satellite image shows flank eruption site

NASA Earth Observatory image of Erta Ale on 26 Jan 2017, by Joshua Stevens, using Landsat data from the U.S. Geological Survey. Caption by Adam Voiland.
A new Landsat 8 satellite image from yesterday published by Nasa's Earth Observatory site shows the location of the new flank eruption at Erta Ale. ... Read all
Show more
Erta Ale volcano
Shield volcano 613 m / 2,011 ft
Danakil depression, Ethiopia, 13.6°N / 40.66°E
Current status: erupting (4 out of 5) Erta Ale volcano eruptions:
1873(?), 1903(?), 1904(?), 1906, 1940, 1960, 1967-2004, 2005-ongoing
Typical eruption style
Effusive. Persistant lava lake.

Erta Ale volcano tours

Danakil desert (Ethiopia)
Desert, salt and volcanoes
14 days expedition to Erta Ale volcano and Dallol hydrothermal field (Danakil desert, Ethiopia)
14 days / 13 nights - Moderate
Price $ 4530
no scheduled dates at present
Danakil desert (Ethiopia)
Erta Ale Volcano Special
in response to recent high activitiy in the Southern crater and growing lava lake (Danakil desert, Ethiopia)
8 days - Moderate
Price $ 2590
Custom and group dates
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