Mauna Loa - the world's largest active volcano - is erupting for the first time since 1984. Lava is flowing down the side of the volcano at a temperature of 1,000C, but experts say this does not ...

Watch: World's largest volcano erupts for first time since 1984 The world's largest active volcano, Hawaii's Mauna Loa, has erupted for the first time in almost 40 years. The lava flow is mostly ...

That happened two years ago with the world's largest active volcano. About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby and ...