Could there have been such a disaster in the history of the world? First of all, we need to know that our life on Earth is not as safe as it seems. Throughout history, natural disasters have caused significant mass deaths. The number of people who die in these disasters, which happen almost every month in the world within a year, is mind-stopping. In 1883, a volcano erupted on an uninhabited island called Krakatoa between Sumatra and Java. This explosion woke people up from their sleep 2 thousand miles away in Australia. Shock waves swirled around the world 7 times. Giant waves wiped out villages, leaving ships stranded like matchsticks. Its waves reached as far as 4,500 miles away. 13 cubic miles of lava was sprayed into the air. It surrounded the earth, darkening the sky, the world clima
