Day: April 23, 2023

Posted on

Earthquake swarm in Grímsfjall volcano

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.

Green star and red dots under it in Grímsfjall volcano. Also in this image is the earlier earthquake in Bárðarbunga volcano, shown with a green star.
Earthquake activity in Grímsfjall volcano. Copyright of this image belongs to Icelandic Met Office.

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.

Posted on

Earthquake in Bárðarbunga volcano

During the night of 23. April 2023 at 03:34 UTC an earthquake with the magnitude of Mw3,2 took place in Bárðarbunga volcano. This was just a single earthquake this time around. Depth of this earthquake was 4,6 km.

Green star in Bárðarbunga volcano. Showing the location of the newest earthquake in this volcano.
Green star in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

This earthquake shows that Bárðarbunga volcano continues to inflate. This is now normal earthquake activity and happens every one to three months, sometimes the time between earthquakes is longer.