Yesterday (13-July-2017) an earthquake swarm took place in Katla volcano. As earthquake swarms goes this one was minor one and largest magnitude was only 2,7 all other earthquakes where smaller in magnitude.
One magnitude 2,5 earthquake happened today (14-July-2017) at 16:29 UTC. Since then everything has been quiet in Katla volcano. This current repeating earthquake pattern is starting to look like long term signs that Katla volcano is going to erupt soon. How long is not known, but it is my best guess that an eruption might happen either this fall or next year (2018). It is not possible to get any better idea how long it might be until an eruption happens in Katla volcano.
Update 1 (July-15 earthquake activity)
At 19:12 UTC on 15-July-2017 a magnitude 3,3 earthquake took place in Katla volcano. Earthquakes that followed where smaller in magnitude, with only one having magnitude 2,8 today (16-July-2017) at 10:51 UTC. I was unable to record it due to high noise level on my geophone.
Earthquake activity has quieted down again for now in Katla volcano.
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Article updated at 22:22 UTC on 16-July-2017. New information added.