At least 30 killed as earthquake, tsunami hit Indonesia’s Sulawesi island
Indonesia lies on the Pacific 'Ring of Fire', where tectonic plates collide and many of the world's volcanic eruptions take place.
Indonesia lies on the Pacific 'Ring of Fire', where tectonic plates collide and many of the world's volcanic eruptions take place.
The largest volcanic region on Earth — with nearly 100 volcanoes — has been discovered two km below the surface…