The steep stratovolcano of Lengai volcano seen from the plain of the Rift Valley. (Photo: Tom Pfeiff... (6968 Hits) |
Philip and our Maassai guide Peter examining one of the many fresh impacts on the southern slope of ... (6464 Hits) |
The new ash cone is occupying all of the north crater. None of the former hornitos is there any more... (7148 Hits) |
Zoom onto the crater walls. (Photo: Tom Pfeiffer) (6539 Hits) |
Ash falls from eruptions during the past weeks have been concentrated in a sector west of the volcan... (6293 Hits) |
The crater of the new ash cone on Lengai volcano. Most of the time, a very fine, dilute stream of sm... (6879 Hits) |
A small group of climbers, perhaps unaware of their dangerous position, have climbed via the old nor... (6139 Hits) |
The group from before is trying to descend back along the old route, but will have to give up: the s... (6152 Hits) |
The group is crossing the crater,- they are just tiny spots in the picture. (Photo: Tom Pfeiffer) (5999 Hits) |
The south crater, now a desolate expanse of ash with all vegetation killed... Our tent is on its rim... (6203 Hits) |
Shortly after the small group has crossed the crater floor, bluish gas exits the crater and a minute... (6223 Hits) |
Pulsating fingers of ash and blocks erupting silently from the crater. (Photo: Tom Pfeiffer) (6772 Hits) |
An hour after the first explosions, the activity increases. Blocks and the finger-like initial ash j... (6796 Hits) |
Feb 2007, one year earlier, the same view onto the north crater from the summit. The crater famous f... (3417 Hits) |
Wind is bending the erupted ash plumes. (Photo: Tom Pfeiffer) (7239 Hits) |
Peter and Philip watching the activity. The ash cloud is drifting to the west, making it rain more a... (10118 Hits) |
The eruptions are at their peak now and luckily, the ash plume is drifting to the side of us. Otherw... (6005 Hits) |
Philip, fully concentrated, taking photos. (Photo: Tom Pfeiffer) (3304 Hits) |
Even our guide Peter seems to be impressed and is following the activity closely. (Photo: Tom Pfeiff... (3189 Hits) |
Billowing ash clouds. (Photo: Tom Pfeiffer) (3220 Hits) |
Light and shadow in the ash cloud. (Photo: Tom Pfeiffer) (3007 Hits) |
CLose-up of the ash fingers: blocks, often made of ash themselves and disintegrating during flight, ... (3039 Hits) |
After the initial kinetic energy is consumed, the ash is taken by wind turbulence, creating curling ... (3042 Hits) |
Eruptions jetting into the ash clouds already obscuring the crater. (Photo: Tom Pfeiffer) (2998 Hits) |
Dance of ash curls and hundreds of small blocks thrown into the air... (Photo: Tom Pfeiffer) (3028 Hits) |
The ash eruptions become almost continuous. By the time a new jet erupts, the ash and falling blocks... (2910 Hits) |
Lake Natron in the background as well as numerous (wet) clouds in the distance. We were lucky to hav... (2885 Hits) |
Ash is raining out of the dark ash cloud. (Photo: Tom Pfeiffer) (2958 Hits) |
200 m high ash cloud. (Photo: Tom Pfeiffer) (3024 Hits) |
300+ m high ash cloud... (Photo: Tom Pfeiffer) (2874 Hits) |
(Photo: Tom Pfeiffer) (2718 Hits) |
Erupting jets of ash drawing thick fingers of ash. (Photo: Tom Pfeiffer) (2789 Hits) |
Crop from the previous image showing details of the ash jets, mostly created by disintegrating ash b... (2501 Hits) |
Ash eruptions at their peak during 18 Jan 2008. (Photo: Tom Pfeiffer) (2570 Hits) |
Weakly smoking Lengai volcano seen from the plain of the Rift Valley near Lake Natron. (Photo: Tom P... (2726 Hits) |
Lengai and the typical cloud around its summit seen in moonlight. (Photo: Tom Pfeiffer) (2446 Hits) |
The western ridge leading from the summit to the north crater. The escarpment of the Rift Valley in ... (2603 Hits) |
Ash deposits and erosions channels on the plaine and Rift Valley escarpment to the west of Lengai. (... (2498 Hits) |
Erosion gullies in the ash-covered plain west of Lengai volcano. (Photo: Tom Pfeiffer) (2511 Hits) |
The rim of the ash cone in Lengai's crater. (Photo: Tom Pfeiffer) (2423 Hits) |
View onto Lake Natron seen from the summit of Lengai. (Photo: Tom Pfeiffer) (2538 Hits) |
Maassai guide Peter observing the eruptions at Lengai volcano. (Photo: Tom Pfeiffer) (2646 Hits) |
Two ash plumes from powerful ash eruptions one shortly after the other. (Photo: Tom Pfeiffer) (2500 Hits) |
The ash-covered steep slope of Lengai with its deep erosion gullies. (Photo: Tom Pfeiffer) (2392 Hits) |
As we leave Lengai on 21 January and drive past Kerimasi volcano, a last view on now distant Lengai ... (2187 Hits) |
The plain on the NE of Lengai with Gelai volcano and its many flank cones seen from the path up to L... (2483 Hits) |
On the first (easy) part of the new climb to Lengai. (Photo: Tom Pfeiffer) (2851 Hits) |
Philip and Peter on the summit of Lengai and ash from an eruption. (Photo: Tom Pfeiffer) (2563 Hits) |
