Today (23. April 2023) at 15:!5 UTC an earthquake swarm took place in Grímsfjall volcano. Largest earthquake in this swarm had a magnitude of Mw3,3. Few other smaller earthquakes also took place.
There are no signs that Grímsfjall volcano is about erupt following this earthquake swarm. That might change without warning, but seems unlikely to happen at the moment. More earthquakes might happen in next few hours.