Today (21-June-2016) a minor earthquake swarm took place on Reykjanes Peninsula, this earthquake swarm was located close to a mountain called Keilir. This was not a large earthquake swarm, around 20 earthquakes took place.
The earthquake swarm on the Reykjanes peninsula. The earthquakes are the red dots. Copyright of this image belongs to Iceland Met Office.
None of the earthquakes that took place was strong, with the largest earthquake only having the magnitude of 2,2. Other earthquakes that took place had smaller magnitude. This earthquake activity appears to have died out (for now at least).