People watch as a volcano erupts in southwest Iceland. (Photo via Getty Images’ Facebook page.)

One week before Christmas, a volcano in southwest Iceland erupted.

It was no surprise. Earthquakes and eruptions are common in Iceland. This island nation has more than 30 active volcanoes. People from around the world come to see them.

An island of fire and ice

Iceland was created by volcanoes, just like Hawaii. It sits above a crack in the Earth’s crust. This crack is where two tectonic plates meet.