Mystery of volcanoes

Since the formation of earth volcanoes remain mysterious. There are mythologies. For example, in 1883, Krakatoa, Lampung, Indonesia, exploded, killing tens of thousands and affecting global climate. On 3.6.18, Fuego, Guatemala, spew lava and toxic gases. Over 100 people died.

Mystery of Volcanoes

When times are hard, we walk,
     Humans are fascinated with volcanoes;
There are destructive lava and molten rock,
     About the mystery, can humans get to know?