For the few hours (on 05-November-2016) there has been a minor earthquake activity in Esjufjöll volcano [Wikipedia information]. Esjufjöll volcano is not a volcano that gets a lot of attention because most of the time its completely quiet, with last notable activity taking place in the year 2013. Earthquake activity started to appear in Esjufjöll volcano in the year 2002 (IMO map here and here).
Earthquake activity in Esjufjöll volcano (north east of Öræfajökull and south of Grímsvötn volcanoes). Copyright of this image belongs to Icelandic Met Office.
At the moment not many earthquakes have taken place in Esjufjöll volcano. That might maybe change, but I don’t expect it to. Maximum number of earthquakes recorded so far (in 2002 at least) is around 40 – 80 (I’m not sure to the exact number). The reason why Esjufjöll volcano is having earthquake activity is due to fresh magma pushing up the volcano from deep inside it. At the moment there isn’t anything suggesting that an eruption is about to happen and if an eruption does happen I would not expect it to be big. The chance of an eruption taking place in Eskjufjöll volcano is around ~2% at the moment in my view.
The only eruption that might have happened took place in the year 1927, at the moment it has not been confirmed. It may have only been active for around 4 days at maximum and took place on September 5. The information is not that good due to how remote this volcano is (map can be found here, Esjufjöll are located south of Grímsvötn, north-east of Öræfajökull volcano).
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