While people have certainly known about (and even, in some cases, worshiped) volcanoes for thousands of years, and had at least a general idea about lava for several centuries, a true understanding of magma – both what it is and where it actually comes from – is a relatively recent thi...
Earthquakes, floods, volcanoes, droughts, typhoons, and hurricanes are all natural disasters. The earthquake of 26 December 2004 resulted in one of the worst natural disasters in living memory. It was a massive underwater quake and occurred in the Indian Ocean. This caused a huge tsunami (海啸...