A new deep earthquake in Esjufjöll volcano

A new deep earthquake did just happen earlier tonight. The SIL system at IMO did give the earthquake the size ML1.7 with the depth of 22,5 km. In my experience this normally means that a earthquake swarm is about to start in Esjufjöll volcano. But this is not always the case, so we just have to wait and see what happens. But since earthquakes did start in Esjufjöll volcano last autumn (2010) with a earthquake swarm of about 70 earthquakes.

The activity has continues since then. But the earthquakes have completely stopped in-between earthquake swarms. This behaviour appears to be not uncommon in volcanoes in Iceland and elsewhere around the world. The earthquake yesterday in Esjufjöll volcano was size ML1.9 with the depth of 5.4 km. It is clear that a magma is creating this earthquakes, but there are few tectonics earthquakes in this area (but they do happen).

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23 Responses to A new deep earthquake in Esjufjöll volcano

  1. Gitta says:

    What’s about Hekla ? It is’nt sunrise now ! What’s on the left side of the pikture ?

  2. Gitta says:

    Yes, I know, but look at http://www.ruv.is/hekla

    • That camera is extremely light sensitive. So you are seeing the daylight from the other side of the planet. Even if it is actually still dark outside in Iceland.

    • Gitta says:

      Since about 7:50 GMT a bright light is getting bigger. It started with a bright light at approximately 5 mm.

      • Chris says:

        We have now very long periods of dawn. And since its clear outside today, this is what you see.

      • The other lurker says:

        And that camera faces south-east, when the sun is low on the horizon we get long period of dawn (if the sky is clear).

  3. Pieter says:

    New GPS-data from Grimsvötn, is it correct? The deflation seems rather unnatural, could this be caused by ice on the antenna, or the recent storm?

  4. irpsit says:

    There was a very strong wind yesterday, and very cold. Lots of ice formed here in SW Iceland, so probably there as well.

  5. Alison, Uk says:

    Wednesday
    05.01.2011 19:41:43 63.634 -19.348 6.1 km 3.3 90.01 4.9 km W of Goðabunga

    • Chris says:

      This quake has obviously been reviewed in the mean time. Its now displayed as a 2.6 in 1.1km depth. No idea what this means.

    • The automatic SIL system that Icelandic Met Office has downgraded the size of the earthquake. This earthquake was a low period earthquake. There are also new SIL stations around Mýrdalsjökull and Eyjafjallajökull and that means that a more earthquakes are recorded and the size that they can detect goes down to ML0.0 or lower.

  6. Mattias Larsson, Swe says:

    Low frequency tremor seem to be on a sharp rise near Eyjafjallajökull. http://hraun.vedur.is/ja/oroi/mid.gif Is it weather relateted or did toningts earthquake start something interesting in the mountain?

  7. A new blog post is up! 🙂

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