Volcano Type:      Fissure vents
Volcano Status:    Historical
Last Known Eruption:     1978
Summit Elevation:     298 m     978 feet
Latitude:     11.58°N *     11°35’0″N
Longitude:     42.47°E     42°28’0″E

The Ardoukôba (Asal) Rift in Djibouti, trending NW from the Red Sea, contains a broad area of youthful fissure vents between Lake Asal and the Ghoubbat al Kharab gulf. The rift is subaerially exposed over a 12 km distance between these two bodies of water and contains numerous basaltic cinder and spatter cones. The silicic centers of Eger Alayta and Asa Aleyta, on the north and south sides of the rift, are remnants of a Pleistocene silicic center that has been disrupted and spread apart by the rift. Magma-water interaction has produced tuff cones, some of which form islands or are breached by the sea. The most recent lava flows are younger than lake sediments deposited 5300 years ago. These lavas were thought to have been erupted during the past 3000 years (Delibrias et al., 1975). The Ardoukôba fissure erupted in 1978, producing a small cinder cone and lava flows that covered part of the rift floor near the Red Sea.
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Originally posted 2010-08-25 03:51:19.