Today (8-September-2019) at 02:00 UTC earthquake swarm started in Bárðarbunga volcano. From 02:00 to 02:03 UTC total of five earthquake took place in Bárðarbunga volcano. Largest of them had a magnitude of Mw4,2 and second largest had a magnitude of Mw3,2. Other earthquakes that took place had a smaller magnitude.
The earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.
Earthquake activity like this in Bárðarbunga volcano is common. This type of earthquake activity happens once every month after the end of the eruption in Holuhraun (2015).