The informally called Malang Plain "volcano" is a group of nine ash cones, maars, and lava domes of Holocene age on the Malang Plain, SE and NE of the city of Malang. Some of these vents may in fact be flank vents of the neighboring huge Tengger volcano, although this is far from certain. The area lies on a distinct N-S fault line which could as well have provided independent pathways for rising magma.
Lake Assale - a large expanse of salt which has been deposited by countless invasions from sea water. In places, the salt is 5 kilometers thick. The Afar have been extrac...
Erosion gullies converging towards one of the major drainage canyongs out of the caldera to the west. (Photo: Tom Pfeiffer)
View over the ash plain towards the southern rim of the caldera. (Photo: Tom Pfeiffer)
The flat plain of the Rift Valley beneath Ol Doinyo Lengai, criss-crossed by erosion gullies. A small Maassai boma (=cluster of huts) in the right of the image. (Photo: ...
Looking down from the crater rim onto the plain of the Rift Valley (Photo: Tom Pfeiffer)
Lake Natron is very shallow, with a maximum depth of around 1 meter - most of the lake is in fact wet sediment filling up the depression. (Photo: Tom Pfeiffer)