they focus on Laki but most articles indicate Katla is the bad girl, they usually erupt in tandem, and Katla is overdue
http://www.foxnews.com/scitech/2010/04/16/iceland-volcanos-big-sister-poses-bigger-threat-scientists-say/
I noticed that at least since 1600, E.... has erupted roughly every 200 years.
It has erupted right on target.