Add Yahoo as a preferred source to see more of our stories on Google. A volcano in Tanzania with magma that erupts like a garden hose has been steadily sinking into the ground for the past 10 years, a ...

Tanzania’s Ol Doinyo Lengai is unique for two reasons: It’s the only active volcano that erupts natroncarbonatite lava, and it’s within a region where the Earth’s surface is just beginning to rift ...