Earthquake swarm in Reykjanes volcano and deep earthquake activity in Brennisteinsfjöll volcano

Today (10-December-2020) at 00:08 an earthquake with the magnitude of Mw3,5 took place in the volcano Reykjanes. This earthquake was felt in nearby area. Since then there has been a minor earthquake swarm going on in the area of Reykjanestá.


Green star shows the earthquake activity in Reykjanes volcano. Copyright of this image belongs to Icelandic Met Office.

Brennisteinsfjöll volcano

Today (10-December-2020) an deep earthquake swarm took place in Brennisteinsfjöll volcano. All earthquakes that took place where small in magnitude but depth was from around 5km to 12 km depth. It is not known at the writing of this article if this suggests an magma movement inside Brennisteinsfjöll volcano.


Orange dots to east of Krýsuvík volcano show the activity in Brennisteinsfjöll volcano. Copyright of this image belongs to Icelandic Met Office.

I am expecting more earthquake activity in Brennisteinsfjöll volcano in next few months. It is going to take few weeks to months to see if anything more is going on there.

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3 Replies to “Earthquake swarm in Reykjanes volcano and deep earthquake activity in Brennisteinsfjöll volcano”

  1. The eruption style on the Reykjanes peninsula is poorly known. I don’t think the faults that can erupt can reach the length of Laki. But more than one fissure might erupt at any given time instead. This is all just wait and see.

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