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Zufallsfotos
Monday, Jan 30, 2012
A new weak thermal anomaly located inside Nabro's summit caldera was detected on 29 Jan on satellite infrared images by MODVOLC. It suggests that some sort of activity still goes on there. [mehr]
Thursday, Jan 01, 1970
The eruption at Nabro volcano is continuing. The explosive phase seems to have ended, but there is still a large white steam and gas plume coming from the volcano and a large hot spot is visibe on the MODIS/Terra satellite images. Most likely, large lava flows are still being erupted. ... [mehr]
 

Nabro Vulkan

Schichtvulkan 2218 m / 7,277 ft
Eritrea, 13.37°N / 41.7°E
Aktueller Status: normal / ruhend (1 von 5) | Berichte
Nabro Vulkan-B cher
Last update: 27 Jan 2016 (thermal anomaly at summit suggesting weak activity continuing in the summit caldera)
Typische Aktivität: effusiv
Ausbrüche des Nabro: 2011 No recent earthquakes
UhrzeitMag. / TiefeDistanceOrt
Nabro is a stratovolcano at the SE end of the Danakil Alps in Eritrea and is the highest volcano in the Danakil depression.
Nabro is a complex volcano with 2 nested calderas of 8 and 15 km diameter, the larger of which is breached to the SW. The stratovolcano consists mainly of trachytic lava flows and tephra layers. Inside the caldera and on its flanks, there are post-caldera rhyolitic obsidian domes and basaltic lava flow. Although not precisely dated, the most recent features are lava flows from NNW-trending fissures transverse to the NE-SW trend of the Nabro volcanic range.

Beschreibung:

Nabro stratovolcano sits on the crystalline basement of the Danakil horst, an isolated segment of the original continental African crust which has been largely dissected and is being pulled apart in the Afar triangle by active oceanic spreading ridges.
Nabro is the most prominent and NE-most of a NE-SW chain of 3 large volcanoes (Nabro, Dubbi, Mallahle), each containing a large summit caldera. These 3 volcanoes, along with Sork Ale volcano, collectively form the Bidu volcanic complex.

2011 earthquake swarm & eruption on 12 June
During the late afternoon and evening of June 12 2011 a series of moderate earthquake struck at first near Afambo in Eritrea and later 100 km more to the south in Ethiopia. The swarm was followed by a new explosive eruption at Nabro volcano. The eruption produced a large ash plume that drifted westwards over northern Africa and quickly reached more than 1000 km length.
This is the first known historic eruption of Nabro volcano.
Originally, its neighbor and historically active Dubbi volcano was believed to be the source of the eruption. ...mehr

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