Earthquake activity in Katla volcano

On Friday 22-July-2017 and on Saturday 23-July-2017 earthquake swarm activity took place inside Katla volcano caldera. Largest earthquake on Friday 22-July was magnitude 3,1 and on Saturday a magnitude 3,2 earthquake took place. Before and after the main earthquakes a swarm of smaller earthquakes took place.


The earthquake activity in Katla volcano during the last 48 hours. Copyright of this image belongs to Icelandic Met Office.

Interesting earthquake activity has been appearing in the south-west part of the caldera. That area had a minor eruption in 1999 (lasted for ~6 hours maybe). This is directly above Sólheimajökul glacier (tourist attraction). Currently Katla volcano is quiet but that can change without warning given recent history of earthquake activity in the volcano.

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30 Replies to “Earthquake activity in Katla volcano”

  1. I was talking to Icelandic Met Office (person on current shift) and as many have noted. There have been many small earthquakes today taking place in Katla volcano. Some of those earthquakes are so small that Icelandic Met Office has problem locating them properly.

    There is clearly something going in Katla volcano at the moment.

      1. Magma is mostly the source for earthquakes in Katla volcano. There are few tectonics earthquakes due to stress changes in the crust, inside the caldera it is I think only magma that results in earthquake activity.

  2. Earthquake activity in the region has been higher than it was last summer (note that July isn’t over yet, I’m personally pretty confident that the activity in July ends up being higher than it was last July). Most of these earthquakes are from Katla.

    http://hraun.vedur.is/ja/myr/myr_mon.html#img

    1. Sf, you should be excited; even if Katla erupts, there are so many beautiful and safe places on Iceland where you can admire the natural wonders.
      Remember: when Katla erupts, it’s not the first eruption on Iceland and never (in my knowledge) has any tourist be wounded or killed during an eruption, thanks to the very refined warning system, setup by the icelandic MET office (seismometers/gps). And lets not forget the emergency plans the icelandic authorities have ready in case an eruption should occur.

  3. There continues to be a earthquake activity in Katla volcano. Most of it appears to be really small and hard to detect by the SIL network even if it is dense around Katla volcano.

    Strong winds at times do not improve detection of earthquakes either.

  4. I had to turn https off due to some issues while using it. I will move to https once I’ve figured out how to solve those issues (it’s the advertising banners that I am having problems with).

  5. Jon those quakes are deep this morning their most be a lot of pressure on Katla now

    1. There is now strong earthquake swarm on Reykjanes peninsula. According to the news that spoke to Icelandic Met Office this is a mixture of magma and tectonic earthquakes.

  6. Jón, I was guiding a tour on the south east of and on the way back, when I crossed the Múlakvísl river there was a strong of odour of gaz that my group smelled too. Any thought about this ?

  7. Jón, I was guiding a tour on the south east of and on the way back, when I crossed the Múlakvísl river there was a strong of odour of gaz that my group smelled too. Any thought about this ?

  8. And now Katla join the party!
    Wednesday
    26.07.2017 22:15:30 63.660 -19.130 5.6 km 4.4 50.5 6.3 km ENE of Goðabunga

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