The Vestrahorn Volcano in Iceland is one of the most dangerous volcanoes on earth because it's made up primarily by basaltic lava that can flow very rapidly. The last eruption was recorded around 1727 and since then there have been no other eruptions associated with this volcano, which makes scientists think that another eruption may be imminent due to its high level of activity.

The deadliest and closest active volcanic region lies deep within a freezing wilderness north-west of Vatnajokull glacier: Volcanos called Hekla or Haxi (“chalk peak”). Although these mountains are less than 2,000 years old they already hold names for their deadly ash clouds - such as ‘Fire Mountain', '