Possible dyke intrusion in Þórðarhyrna volcano

Tonight (05.03.2017) an possible dyke intrusion has taken place in Þórðarhyrna volcano. It’s a small volcano south-west of Grímsfjall volcano and on Global Volcanism Program website it is counted with Grímsfjall volcano eruptions. Last eruption in Þórðarhyrna took place in 1902 at the same time there was an eruption in Grímsfjall volcano (size VEI=4). Before that eruption, the earlier eruption in Þórðarhyrna took place in the year (August 15th) 1887 and lasted for two years (ended in 1889).


Possible dyke intrusion in Þórðarhyrna volcano (south-west of Grímsfjall volcano). Copyright of this image belongs to Icelandic Met Office.

Largest earthquake in this swarm had the magnitude of 2,5 and the second largest earthquake in this swarm had the magnitude of 2,4. Other earthquakes where smaller. It is not possible to know how this is going to evolve since there is a lack of data on Þórðarhyrna volcano due the fact no eruption has happened since the year 1902. That means for now, it is just more wait and see what happens next.

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This entry was posted in Dyke intrusions, Earthquakes, Magma, Monitoring, Swarm, Volcano, Þórðarhyrna. Bookmark the permalink.

10 Responses to Possible dyke intrusion in Þórðarhyrna volcano

  1. I got banned from Facebook for 1 day (24 hours, I’m at 20 hours at the moment). If anything happens I won’t be able to post to Facebook any new articles.

    This article here explains what happened (with pictures).

    http://www.net303.net/?p=32

  2. Canuck says:

    We live in “interesting” times.

  3. Porsche928 says:

    For residents and visitors of Iceland there is a survey on the IMO site

    http://en.vedur.is/about-imo/news/how-do-you-view-volcanoes

  4. Radek says:

    And I thought there could not be worse name than Eyjafjallajökull..

    • WurzelDave says:

      Will the english version help?
      Thordarhyrna.

      As for Facebook I don’t like it, I know of alot of people who have had trouble with it or the people on it!

  5. Ian says:

    I haven’t been on Facebook for years, only ever posted one comment then grew tired so have ignored it – for some it’s a great resource, but ever so dangerous, far too much personal information, photos and of course inane comments.

    At least Twitter restricts the length of messages (or used to anyway, I’m not sure anymore?) Jon if you have a Twitter account do give out the details.

    • Twitter continues to limit length of messages to 120 characters, a sms length. Twitter accounts are short on details, a maximum where you live and nothing more than that. No relationship information or birthday information and such.

      As for Facebook, this got a lot worse today following a BBC News report into the matter. If people want to continue to discuss this, please do so here (link below).

      Technical thinking: http://www.net303.net/?p=32
      BBC News article: http://www.bbc.com/news/technology-39187929

  6. There is currently on-going earthquake activity on the Reykjanes ridge. The distance from the coast is ~200 km at maximum (I think).

    • ohnoes112 says:

      Bardy just had another mini swarm Jon (Triple green star at various depths) but interestiung one at depth a few hours before > Wednesday
      08.03.2017 00:18:28 64.596 -17.535 28.2 km 0.9 99.0 5.0 km S of Bárðarbunga

      • Deep earthquake suggest that a magma injection has happened. Earthquake swarm like the one during the night in Bárðarbunga volcano confirms it.

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