LEO Network

2 October 2025 / mbl.is / Freyr Bjarnason
Event

Larger than the largest quakes in the biggest swarm

Mýrar, Vesturland, Iceland

A magnitude 3.3 earthquake struck near Grjótárvatn on Mýrar this morning, the largest in the Ljósufjöll volcanic system in about three and a half months. Roughly 45 quakes have occurred since last night at 15–20 km depth, and the Icelandic Met Office notes concern would rise if activity shallows.


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