This region represents the tectonic boundary between the North American and Eurasian tectonic plates in combination with the Icelandic mantle hotspot, and therefore has typically very high volcanic activity.
Þessi svæði táknar tectonic mörk milli Norður-Ameríku og Eurasian tectonic plötur í sambandi við íslenska mantle hotspot, og hefur því yfirleitt mjög mikil eldvirkni.