There is currently an ongoing earthquake activity in Katla volcano. So far this earthquake activity has been small in terms of magnitude, with the largest earthquake only having the magnitude of 2,7.
The earthquake activity in Katla volcano. Copyright of this image belongs to Icelandic Meteorological Office.
Updated image of the activity in Katla volcano. Copyright of this image belongs to Icelandic Meteorological Office.
The earthquakes that I have recorded so far are low period earthquake. Suggesting that they are being created due to magma or hydrothermal change inside the volcano. So far nothing suggests that an eruption is imminent. But I find this activity in Katla volcano suspicious and something that needs to watch, since I think this might be a risky situation and it might change on short notice.
Hekla volcano
A magnitude 2,3 earthquake with the depth of 9,9 km took place in Hekla volcano system on 02-July-2014 at 23:48:57 UTC. No other activity took place following this earthquake. It is not clear why this earthquake activity is taking place in Hekla volcano.
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Article updated at 22:05 UTC.
What do you say about the posting from Haraldur Sigurdsson on his blog. It contains at least some interesting images: http://vulkan.blog.is/blog/vulkan/entry/1405362/
It is a interesting article, but there is still a lot we don’t know.
What do you make of the jump on several of the tremor graphs?
There is a bad weather in Iceland at the moment. Strong wind with speed up to storm levels. I guess you are referring to that change in the tremor plots on IMO website.
Another set of quakes just now …
I noticed that and they did appear clearly on both of my geophones (largest earthquake).
http://www.jonfr.com/webicorders/tremoren.htm