At Ol Doinyo Lengai, the lava erupts at a much cooler 510°C (950°F). This difference in temperature is due to its unusual composition, being the only volcano in the world to erupt carbonatite ...

The new research reveals that the ground around the summit of Ol Doinyo Lengai volcano, which sits along an active rift zone in East Africa, subsided at a rate of 1.4 inches (3.6 centimeters ...