• Strong earthquake swarm shakes Katla volcanic system beneath Mýrdalsjökull, Iceland

    ByTeo Blašković

    A strong seismic swarm began beneath Iceland’s Mýrdalsjökull glacier, part of the Katla volcanic system, around 10:30 UTC on October 20, 2025. Several earthquakes above magnitude 3 were recorded, the largest reaching M4.5 at 10:51 UTC. The Icelandic Meteorological Office reports no felt activity and no changes in river levels, conductivity, or deformation, indicating no immediate signs of eruption at the Katla volcano or glacial flooding.

  • Increased earthquake activity under Katla volcano, Iceland

    ByTeo Blašković

    A series of earthquakes were registered under Iceland's Katla volcano over the past couple of days. Judging by the depth of some of the earthquakes, fresh magma is making its way upward. There were more than 10 earthquakes in total, including M3.6 at 18:36 UTC…

  • Strong M4.2 earthquake in the center of Katla caldera, Iceland

    ByTW

    Icelandic Met Office has detected a strong and shallow M4.2 earthquake in the center of Katla caldera on January 26, 2017. The quake was followed by M3.0 and a series of smaller earthquakes. In total, 28 earthquakes were registered under Katla since late Wednesday,…

  • Intense seismic swarm at Katla volcano, aviation color code raised, Iceland

    ByTW

    The Icelandic Met Office (IMO) has raised the aviation alert status at Katla volcano from green to yellow after a swarm of earthquakes started on September 29, 2016, and intensified today. An intense seismic pulse started today at 12:02 UTC with several earthquakes…