Earthquake activity continues in Öræfajökull volcano. There is a small drop in earthquake activity every few hours just before it increases again. This seems to be normal for earthquake like Öræfajökull volcano. The magma in Öræfajökull volcano is expected to be rhyolitic in nature. That explains the nature of the earthquakes swarms that are now taking place.
Largest earthquake in last 48 hours had the magnitude of 1,7. At the moment larger earthquakes have not yet happened in last few weeks (since the magnitude 3,5 earthquake took place). The earthquakes at the outline and some distance from Öræfajökull volcano seems to be fault lines that move as Öræfajökull volcano continues to inflate. There is some risk of earthquakes at those locations, it is my view that risk is mostly minimal for now at least. I don’t know how the development has been for the cauldron in Öræfajökull volcano caldera since I haven’t seen any news about the development of that area.
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