Yesterday (29-January-2015) there was a minor earthquake swarm in small mountain named Helgafell on the Reykjanes peninsula. Largest earthquake in this swarm had the magnitude of 3,2 and was felt in Hafnarfjöður, a town closest to the source of this activity.
The minor earthquake swarm in Helgafell on Reykjanes peninsula. Copyright of this image belongs to Icelandic Met Office.
There is a chance of more earthquake activity in this area for next few days to weeks. Earthquake swarm activity is common on the Reykjanes peninsula.