Category: Langjökull

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Magnitude Mw3,3 earthquake just south of Presthnúkar volcano

Yesterday (24-June 2026) an earthquake with magnitude of Mw3,3 took place just south of Presthnúar volcano. This earthquake was part of an ongoing earthquake swarm in this area.

Green star just south-west of Presthnúkar volcano. Along with red dots that show smaller earthquakes in the same area.
Earthquake activity south west of Presthnúkar volcano in Langjökull glacier. Copyright of this image belongs to Icelandic Met Office.

Based on earthquake data. I believe this earthquake activity is because of magma movement in the crust. I don’t think this is going to result in a eruption in this area. At the moment, the earthquake activity is too small for that too happen. This type of earthquake activity can go on for months and sometimes years before it stops.

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Earthquake swarm west of Langjökull glacier

Yesterday (28-September-2017) a earthquake swarm has been taking place west of Langjökull glacier, it is close to a volcano named Presthnjúkar. It is the same system and inside its fissure swarm. The area in question has known faults from the modern era (12.000 years).


The earthquake activity west of Langjökull glacier. Copyright of this image belongs to Icelandic Met Office.

Largest earthquakes that happened had the magnitude of 2,8 and 3,1 both where felt by staff of a tourist company that operates in this area. There is no permanent population in this part of Iceland. I don’t know when this area last erupted.

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