Volcanic "bombs" are chunks of semimolten lava that fly out of a volcano and solidify as they land. They're often flung miles from the volcanic crater. In 1883, the explosion of the Indonesian ...

Sometimes eruptions are explosive and lava is thrown out as volcanic bombs. Hotspots are places where the magma rises up through the crust. They are caused by a static source of magma, often away ...

eg diamonds - this can be mined to make money Volcanic bombs and heat clouds, with temperatures up to 800°C, spread over a distance of 10 kilometres. Pyroclastic flows travelled three kilometres ...