'Highway from Hell' Fed Deadly Volcano
Wednesday, July 31, 2013 - 12:30
in Earth & Climate
Molten rock from Earth's hellishly hot mantle can punch through miles of overlying crust in a matter of months, a new study finds. Before the deadly 1963 eruption of Irazú volcano in Costa Rica, magma surged 22 miles (35 kilometers) in about two months.