Ertaale, Ethiopia : The active lava lake is still very active.

Ertaale, Ethiopia : The active lava lake is still very active.

The active lava lake in the pit South Crater of Ethiopian volcano Erta Ale, 30-40 meters (100-130 feet) in diameter, is still very active and is approaching levels close to the overflow at the edges, being only a few meters below the floor of…

New Evidence for Mantle Plumes as the source of Hot Spot Volcanism

New Evidence for Mantle Plumes as the source of Hot Spot Volcanism

In a recent study published in Science Magazine, the authors Colleen A. Dalton, Charles H. Langmuir, Allison Gale demonstrate geophysical and geochemical evidence for deep temperature variations beneath mid-ocean. Convection in Earth’s mantle is largely controlled by the physical properties of the mantle such as density and viscosity….