Today (21-December-2020) at 11:38 UTC an earthquake with magnitude of Mw3,9 took place in Bárðarbunga volcano.
The earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.
This earthquake had two earlier earthquakes with magnitude of Mw2,4 and Mw2,8. Smaller earthquake activity seems to have stopped or happening at slow rate at the writing of this article. Currently Bárðarbunga volcano has an earthquake with magnitude Mw3,0 to Mw5,0 every few weeks since end of the eruption in 2015. This pattern doesn’t seems to be changing.