Permalink A significant danger from volcanoes is the volcanic ash that can be ejected high into the atmosphere and cause severe local or regional damage, or even world wide longer term disruption. Luckily, the majority of current and recent volcanic activity has not resulted in severe damage beyond local vicinities. But there are lots of…

  Volcanoes What are volcanoes? How Are Volcanoes Formed? A volcano in eruption is one of the most dramatic, fascinating, terrorizing, and awesome displays of the destructive power of nature. A mountain that suddenly blows up into a mountain of fire, gases, rock and ash can change our lives in a hurry! Mantle The earths…

Observing the volcanic ash cloud and the disruptions to northern Europe from Iceland’s recent volcanic eruption has caused me to think about other scenarios which would have grim and wider consequences from an event called a Super Volcano. Our experiences with volcanoes have for the most part been with classifications that are somewhat tame in…