During the night of 16-December-2017 at 02:41 UTC an earthquake took place in close to central caldera of Bárðarbunga volcano. Depth of this earthquake was 11 km and no aftershocks followed this earthquake. Both location and lack of earthquakes following this earthquake is unusual.
I suspect there is now coming a time period of stronger earthquake activity in Bárðarbunga volcano, close to one that was earlier this autumn. When a earthquake with magnitude 4,7 happened.
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