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Volcán Ol Doinyo Lengai (Tanzania) - erupciones de ceniza (18 de enero de 2008)

Durante 17-19 de enero, hemos logrado permanecer encima de Lengai con un pequeño grupo. Durante mucho tiempo, la Cumbre estaba en las nubes, pero el 18 de enero, la tarde resultó para ser claro y Lengai inició una fase de erupciones de ceniza, una duración de alrededor de 16 a 20. Puede encontrarse un informe detallado sobre la expedición y eliminarán del Lengai en el tiempo entre el 17 y el 21 de enero aquí.
The steep stratovolcano of Lengai volcano seen from the plain of the Rift Valley. (Photo: Tom Pfeiffer)
The steep stratovolcano of Lengai volcano seen from the plain of the Rift Valley. (Photo: Tom Pfeiff... [info]
(7651 Éxitos)
Philip and our Maassai guide Peter examining one of the many fresh impacts on the southern slope of the crest between the north and south crater. (Photo: Tom Pfeiffer)
Philip and our Maassai guide Peter examining one of the many fresh impacts on the southern slope of ... [info]
(7513 Éxitos)
The new ash cone is occupying all of the north crater. None of the former hornitos is there any more. (Photo: Tom Pfeiffer)
The new ash cone is occupying all of the north crater. None of the former hornitos is there any more... [info]
(7792 Éxitos)
Zoom onto the crater walls. (Photo: Tom Pfeiffer)
Zoom onto the crater walls. (Photo: Tom Pfeiffer) [info]
(6907 Éxitos)
The crater of the new ash cone on Lengai volcano. Most of the time, a very fine, dilute stream of smoke (very fine ash, probably) is issuing from its crater. Note the 3 persons on the rim in the background: (Photo: Tom Pfeiffer)
The crater of the new ash cone on Lengai volcano. Most of the time, a very fine, dilute stream of sm... [info]
(7583 Éxitos)
A small group of climbers, perhaps unaware of their dangerous position, have climbed via the old northern route. Note: this route is now extremely dangerous and virtually impassible for descend. In fact, the people on the photo had to descend on the southern route. Minutes after they had passed the crater, explosions started and threw rocks over the path they took.  (Photo: Tom Pfeiffer)
A small group of climbers, perhaps unaware of their dangerous position, have climbed via the old nor... [info]
(6690 Éxitos)
The group from before is trying to descend back along the old route, but will have to give up: the section beyond the rocks visible in the background is now a steep, smooth slope of hardened ash with no grip. (Photo: Tom Pfeiffer)
The group from before is trying to descend back along the old route, but will have to give up: the s... [info]
(6536 Éxitos)
The group is crossing the crater,- they are just tiny spots in the picture.  (Photo: Tom Pfeiffer)
The group is crossing the crater,- they are just tiny spots in the picture. (Photo: Tom Pfeiffer) [info]
(6389 Éxitos)
Shortly after the small group has crossed the crater floor, bluish gas exits the crater and a minute later, the first weak ash clouds.  (Photo: Tom Pfeiffer)
Shortly after the small group has crossed the crater floor, bluish gas exits the crater and a minute... [info]
(6644 Éxitos)
Pulsating fingers of ash and blocks erupting silently from the crater. (Photo: Tom Pfeiffer)
Pulsating fingers of ash and blocks erupting silently from the crater. (Photo: Tom Pfeiffer) [info]
(7975 Éxitos)
An hour after the first explosions, the activity increases. Blocks and the finger-like initial ash jets are thrown to 300 m height above the crater.   (Photo: Tom Pfeiffer)
An hour after the first explosions, the activity increases. Blocks and the finger-like initial ash j... [info]
(7459 Éxitos)
Feb de 2007, un año antes, la misma visión sobre el cráter del norte de la cumbre. El cráter famoso por su paisaje surrealista con hornitos un... (Photo: Tom Pfeiffer)
Feb de 2007, un año antes, la misma visión sobre el cráter del norte de la cumbre. El cráter famoso ... [info]
(5012 Éxitos)
 

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