At 05:36 UTC a earthquake swarm started in Hengill volcano. Several dozen earthquakes took place and the largest earthquake had the magnitude of 3,4 and the second largest had a magnitude of 3,0. All other earthquakes where smaller in magnitude.
This earthquake swarm appears to have been tectonic in nature and ended at 05:57 UTC. The largest earthquake was felt in Reykjavík, Hveragerði and Selfoss.
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