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Volcano News from Ol Doinyo Lengai:

Ol Doinyo Lengai volcano (Tanzania): active crater and natrocarbonatite lava in early Dec 2017

Thursday, Dec 07, 2017
The volcano continues to slowly erupt natrocarbonatite lava inside the deep pit crater of the 2007-08 cinder cone which occupies the active northern crater of Lengai volcano. We present a selection of aerial photos taken a few days ago by our friend Gian Schachenmann. [more]
Ol Doinyo Lengai volcano (Tanzania): natrocarbonatite lava activity inside the summit crater
View into the crater of Ol Doinyo Lengai volcano (photo: Gian Schachenmann)
Monday, Jul 08, 2013
The volcano continues to be active, and produce natrocarbonatite lava that slowly fills up the crater. A small cone of natrocarbonatite lava is forming on the western side of Lengai's crater, which formed in 2008 during a series of violent explosions that destroyed the former bizarre crater terrace filling the north crater, famous for the bizarre "hornitos" of white and gray lava. ... [more]

-> Lengai volcano photos

An explosive eruption from Tanzania's Ol Doinyo volcano in 1966. Explosive activity began in August 1966, near the end of an eruption beginning in 1960 that consisted of quiet emission of lava flows in the summit crater. Ash deposits from previous eruptions whiten the volcano's slopes like snow. (Photo by Gordon Davies, 1966 / courtesy of Celia Nyamweru, Kenyatta University).
An explosive eruption from Tanzania's Ol Doinyo volcano in 1966. Explosive activity began in August 1966, near the end of an eruption beginning in 1960 that consisted of quiet emission of lava flows in the summit crater. Ash deposits from previous eruptions whiten the volcano's slopes like snow. (Photo by Gordon Davies, 1966 / courtesy of Celia Nyamweru, Kenyatta University).
The active north crater of Ol Doinyo Lengai volcano
The active north crater of Ol Doinyo Lengai volcano

Observing strombolian eruptions of black natrocarbonatite lava at Lengai volcano
Observing strombolian eruptions of black natrocarbonatite lava at Lengai volcano

Night-time scene inside the active crater of Lengai
Night-time scene inside the active crater of Lengai

Whitened natrocarbonatite lava and a steep crater cone,- called hornito
Whitened natrocarbonatite lava and a steep crater cone,- called hornito
 

Ol Doinyo Lengai volcano eruptions

Stratovolcano 2890 m
Tanzania, -2.75°S / 35.9°E
Eruption list: 1550 BC (?), 50 AD (?), 700 AD (?), 1350 (?), 1880, 1882, 1904, 1907, 1914, 1916, 1921, 1926, 1940, 1954, 1955, 1958, 1960, 1967, 1983, 1994, 2006, 2007-ongoing


Activity in 2010 - natrocarbonatite flows on the crater bootom
The crater of Lengai with active natrocarbonatite lava on its floor on 10 Oct 2010 (photo: Michael Dalton-Smith)Zoom onto the active vent and a possible lava lake inside the crater of Lengai volcano (photo: Michael Dalton-Smith)Similarly to previous phases, new natrocarbonatite lava is being erupted from vents at the bottom of the new crater. If this activity continues, it might once again fill the crater.

Links and further info:

The Ol Doinyo Lengai web site / it.stlawu.edu/~cnya/
Celia Nyamweru’s Website - This is the most comprehensive website on the history of Ol Doinyo Lengai, by an expert on the Rift Valley.
OL DOINYO LENGAI - The Mountain of God / www.mtsu.edu/~fbelton/lengai.html
Fred Belton's extensive website dedicated to Lengai. Fred visits Lengai (almost) every year and comes back with lots of information and observation about the volcano's activity. Extensive News, other links, expedition infos, photos.
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