This article is going to be updated later with more details.
A magnitude 3,5 earthquake happened in Öræfajökull volcano at 16:57 UTC. This is a automatic magnitude and is going to be corrected later. A swarm of earthquakes seems to have started in Öræfajökull volcano.
Earthquake swarm in Öræfajökull volcano (green star). Copyright of this image belongs to Icelandic Met Office.
The harmonic tremor images have not yet updated so I don’t know at the moment if any harmonic tremor has started following this earthquake swarm.
This article is going to be updated later with new information.