Magnitude 4,2 earthquake in Bárðarbunga volcano

Shortly after midnight of 8-April-2016 a magnitude 4,2 earthquake took place in Bárðarbunga volcano. This earthquake activity was shallow, most depth was around 3 to 5 km. Few earthquakes took place at 7 to 11 km depth, suggesting a magma movement at depth. Nothing suggest that magma reached shallow depth this time around.

The earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Iceland Met Office.

The second largest earthquake in this activity had the magnitude of 3,5 at the depth of 4,3 km. Other earthquakes in this swarm where smaller in magnitude at different depths. Magma did not reach the surface in this earthquake swarm, this appears to have been a movement of fault lines do to stress changes at depth due to magma inflow. I’m expecting continued earthquake activity in Bárðarbunga volcano in coming weeks and months.

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