The 5 deadliest volcanic eruptions in human history

Earth harbors hundreds of active volcanoes. When they erupt, they can change the climate of the entire planet. Indeed, they are one of Mother Nature's deadliest phenomena. Here, we've ranked the deadliest eruptions in history.

Read more: http://www.businessinsider.com/sai

FACEBOOK: https://www.facebook.com/techinsider
TWITTER: https://twitter.com/techinsider
INSTAGRAM: https://www.instagram.com/businessinsider/
TUMBLR: http://businessinsider.tumblr.com/