Where on Earth?
The Afar Depression is to the
northeast of Addis Ababa, capital of Ethiopia. It extends into Ethiopia’s
neighbours, Eritrea and Djibouti, and is part of the Great Rift Valley that
stretches from the Middle East to southern Africa. It is the hottest place on Earth and one of
the inhospitable.
Lava lakes
and hot Springs
The region’s most memorable
feature is Erta Ale (‘smoking mountain’ in the afar language) in the remote
northeast of Ethiopia. This active
volcano’s summit crater contains the world’s oldest existing molten lava lake:
known as the ‘gateway to hell’, it is thought to have been bubbling away like
burned porridge for more than 100 years.
The volcano, which attracts only the most intrepid tourists, explorers
and archaeologists, is most striking at night, when the summit glows an eerie
red. The heat is so intense, and the
sulphurous smell so overpowering , that visitors can stand no more than a few
minutes at the edge of the crater looking down on the red-hot and searing-white
molten lava, churning, hissing and spluttering.
At Dallol, a volcanic crater
northeast of Erta Ale, the landscape changes daily. Constantly bubbling sulphur springs are
coloured red, yellow, orange, green and white by the mineral deposits and
bacteria that thrive in the extremely hot, acidic conditions.

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