Strong earthquake swarm on Tjörnes Fracture Zone (TFZ)

Yesterday (28-January-2018) a earthquake swarm started in Tjörnes Fracture Zone (TFZ). This earthquake swarm is ongoing and current numbers might change and magnitudes of earthquakes from what they currently are. At the moment largest earthquake that has been recorded happened yesterday and had a magnitude of 4,1 (at 07:49 UTC) and the second strongest earthquake so far had the magnitude of 3,4 (at 08:11 UTC). The stronger earthquake woke people up from their sleep and was felt over a wide area. That was not reported with the second earthquake.


The earthquake swarm in TFZ. Strongest earthquakes are marked by green stars. Copyright of this image belongs to Icelandic Met Office.

All other earthquakes so far have been smaller than magnitude 3,0 at the moment. Over 130 earthquakes have happened so far. This earthquake swarm is currently ongoing. This earthquake swarm is only tectonic in nature and at the moment there is nothing suggesting that this activity is connected to magma movements.

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This entry was posted in Earthquakes, Monitoring, Swarm, TFZ, Tjörnes Fracture Zone. Bookmark the permalink.

10 Responses to Strong earthquake swarm on Tjörnes Fracture Zone (TFZ)

  1. My plan on moving to Spain in good time has just gone to hell. Due to taxes I can’t afford living in Denmark and I want to make a quick move this year. I had a terrible 2017 due to how broke I was due to taxes and I am not found of repeating that.

    I am now exploring options on moving to Germany or Spain. Response wise it is not looking good for Spain at the moment. There is a rental company in Flensburg that I am going to talk to (two of them in fact) so I can at least secure an apartment there with at least one of the rental companies.

  2. Jan B says:

    Interesting to see how this rifting so clearly moved from West to East…

  3. The green stars have descended from Tjornes to Bárðarbungu (2 this evening).

  4. Andy says:

    4.6 just reported.

  5. Luis Godinho says:

    Tuesday
    30.01.2018 19:24:18 64.668 -17.437 1.8 km 4.9 99.0 5.3 km NE of Bárðarbunga

    Tuesday
    30.01.2018 18:00:23 64.665 -17.463 1.6 km 3.8 99.0 4.1 km NE of Bárðarbunga

    Tuesday
    30.01.2018 17:48:58 64.669 -17.407 1.1 km 2.9 90.16 6.6 km ENE of Bárðarbunga
    Tuesday
    30.01.2018 17:48:57 64.678 -17.457 1.0 km 3.7 99.0 5.3 km NE of Bárðarbunga

  6. Article is coming about this little later. I am waiting to see how this develops in Bárðarbunga volcano.

  7. Gwen Stouthuysen says:

    Who can plot these events to review what exactly is going on?
    I have the impression this is more than tectonic rifting.

  8. Luis Godinho says:

    New one…
    Wednesday
    31.01.2018 20:20:34 66.672 -17.899 13.8 km 3.2 99.0 15.3 km NNE of Grímsey

Comments are closed.