Yesterday (14-May-2014) an earthquake swarm started in Herðubreið, after an earthquake swarm in Heruðbreiðartögl dropped in activity. Both earthquake swarms are currently active. The earthquake activity however drops between as the swarm activity picks up.
Most of this earthquakes had the magnitude smaller then magnitude 2,0. There was one magnitude 2,4 earthquake in this swarm. Over 100 earthquakes where recorded during this swarm. It remains unclear what is creating this earthquake swarm. It might just be tectonic stresses in Herðubreið and nearby area, or this might be magma injection. So far there is nothing suggesting that an eruption is going to take place at this location.
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