Earthquake swarm in Krísuvík volcano

Today (31-March-2015) there has been a minor earthquake swarm in Krísuvík volcano. Total number of detected earthquakes was 27 so far.

The earthquake swarm in Krísuvík volcano today. Copyright of this image belongs to Icelandic Met Office.

Largest earthquake in this swarm had the magnitude of 2,6 according to reviewed results from Icelandic Met Office. Other earthquakes where smaller in magnitude. This is just tectonic activity at the moment. There has been inflation and deflation taking place in Krísuvík volcano for past several years and such activity is known to start strong earthquake activity in both deflation and inflation stage. At the moment there is nothing suggesting there is an eruption imminent in Krísuvík volcano.

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13 Replies to “Earthquake swarm in Krísuvík volcano”

  1. Last eruption of Krisuvik in the 14th century (as most of us know), wonder how this one builds up to an eruption?
    Anyone know if the nearby Kleifarvatn lake is filling or like in 2008 receding?

      1. I was pretty emptied back in 2008, then it filled up afterwards. I remember seeing a full lake back in 2011, but over recent years it had emptied slightly. But no big dramati changes like in 2008, which were linked to large tectonic events (triggered by the M6.5 quake in south Iceland)

      1. Well, Vatnafjoll is a seperate fissure swarm, which had a basalt flood or two or a few dozen, back in its days. 🙂

  2. Last ones: Thursday
    09.04.2015 17:05:38 63.894 -19.648 3.6 km 1.0 90.02 10.9 km S of Hekla
    09.04.2015 17:04:27 63.892 -19.653 3.1 km 2.3 90.09 11.1 km S of Hekla
    09.04.2015 15:29:52 63.895 -19.648 3.2 km 1.4 90.06 10.8 km S of Hekla
    09.04.2015 14:52:23 63.899 -19.648 4.0 km 1.2 99.0 10.3 km S of Hekla

  3. The quakes have a tectonic signature and are not particularly deep.
    And the region they are in, is known to have such swarms. The region is known as the Vatnafjoll fissure swarm. The last basalt eruption from this fissure was around 1200 years ago.

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