Emuruangogolak is an active shield volcano straddling the

Gregory Rift The Gregory Rift is the eastern branch of the East African Rift fracture system. The rift is being caused by the separation of the Somali plate from the Nubian plate, driven by a thermal plume. Although the term is sometimes used in the narrow se ...

Kenya ) , national_anthem = " Ee Mungu Nguvu Yetu"() , image_map = , map_caption = , image_map2 = , capital = Nairobi , coordinates = , largest_city = Nairobi ...

, in Eastern

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

. It has a caldera on its summit. The last known eruption was a

trachyte Trachyte () is an extrusive igneous rock composed mostly of alkali feldspar. It is usually light-colored and aphanitic (fine-grained), with minor amounts of mafic minerals, and is formed by the rapid cooling of lava enriched with silica and al ...

flow which occurred in 1910. Steam vents and

fumarolic activity A fumarole (or fumerole) is a vent in the surface of the Earth or other rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...

continues from fissures within the caldera and along the flanks of the volcano. Several maar lakes exist in the rift valley adjacent to the volcano. The volcano's summit is at elevation, and its formation is calculated to have been 38,000 years ago.

References

Volcanoes of Kenya Active volcanoes Pleistocene shield volcanoes Holocene shield volcanoes {{Kenya-geo-stub

See also

References