O'a Caldera
Encyclopedia
The O'a Caldera is a volcanic caldera in Ethiopia, also known as Shala.
The caldera has 3 lakes, Lake Shala
, Lake Abijatta
and a small volcanic Maar
called lake Chitu. With subfeatures including Mount Fike (a pyroclastic cone) and Mount Billa (a cinder cone).
The caldera has 3 lakes, Lake Shala
Lake Shala
Lake Shala lies in Ethiopia south of Addis Ababa, in the Abijatta-Shalla National Park. The lake is 28 kilometers long and 12 wide, with a surface area of 329 square kilometers. It has a maximum depth of 266 meters and is at an elevation of 1,558 meters...
, Lake Abijatta
Lake Abijatta
Lake Abijata lies in Ethiopia south of Addis Ababa, in the Abijatta-Shalla National Park. According to the Statistical Abstract of Ethiopia for 1967/68, the lake is 17 kilometers long and 15 km wide, with a surface area of 205 square kilometers...
and a small volcanic Maar
Maar
A maar is a broad, low-relief volcanic crater that is caused by a phreatomagmatic eruption, an explosion caused by groundwater coming into contact with hot lava or magma. A maar characteristically fills with water to form a relatively shallow crater lake. The name comes from the local Moselle...
called lake Chitu. With subfeatures including Mount Fike (a pyroclastic cone) and Mount Billa (a cinder cone).