Posted on by Jón Frímann

Earthquake with magnitude of Mw3,6 in Katla volcano

Today (27. June 2023) at 07:42 UTC an earthquake with magnitude of Mw3,6 took place in Katla volcano. This earthquake was part of a earthquake swarm that had started few moments earlier. There is no change in harmonic tremor at the writing of this article and earthquake activity has slowed down again. This earthquake was felt in nearby areas.

Green star and red dots in Katla volcano caldera, along with older earthquakes from yesterday shown as blue and yellow dots. Time on map is 27. june. 23, 09:20 (Icelandic time).
Earthquake activity in Katla volcano caldera. Copyright of this image belongs to Icelandic Met Office.

This earthquake activity seems to happen in active time periods with quiet period between them, when there are few to no earthquake activity. This activity is ongoing at the writing of this article.