Uh-oh! Hydrothermal areas grow larger in Krysuvik volcano due to earthquake swarm
Posted by
JAC on 2/28/2011, 3:50 pm
Posted on February 28, 2011 by Jón Frímann
According to news from Rúv. It appears that hydrothermal areas in Krsuvík volcano are growing larger following the earthquake swarm in the past few days. This same news also tells that the number of cracks in the ground have grown in numbers following the earthquake swarm, this allows more water to get into contact with the hot rock and that warms the water up fast.
Currently the earthquake swarm in Krsuvík volcano is quieting down. But that might chance without any warning at all. But won't be surprised if the earthquake swarm stops completely.
In my personal opinion this is a clue that magma might be pushing it's way up the Krsuvík volcano system. I get the clue from the increased hydrothermal activity in the this area. But at the moment it is too early to know for sure if this is going to result in a eruption or not. But if this activity continues as it has then a eruption is going to happen one day. That can also chance without any warning at all. But this type activity means that status of the volcano it self is constantly changing and makes it unpredictable. How eruptions in Krsuvík volcano behave is also a big unknown.
Update: According to Rúv evening news (Icelandic, video) there appears to be magma related aspect to this weekend earthquake swarm in Krsuvík volcano. According to Dr. Páll Einarsson geologist at Iceland University it appears that magma is the source (as stated above) of this weekend earthquake swarm. This news also says that there has been a lot of earthquake activity in Krsuvík volcano over the past two years and this earthquake activity is not only tectonic as is common in this area. The news at Rúv also says that geologist in Iceland are wondering and unsure what exactly is going on at Krsuvík volcano at the moment. But the reported inflation in the news at Rúv is sad to be 10 cm (I do not know if that number is accurate or not). But it clearly a reason now to watch the activity at Krsuvík volcano. If there is a eruption in Krsuvík volcano it is going to be a harmless (as it can be) lava eruption. Unless it is under water, but then there is a Surtsey type of eruption for as long there is water getting into the crater. So don't expect aircraft problem if there is a eruption in Krsuvík volcano.
http://dagskra.ruv.is/sjonvarpid/4547268/2011/02/28/4/
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In this thread:
Iceland is Going Nuts -
JAC,
2/27/2011, 7:28 am- Earthquake activity continues in Krysuvik volcano, but at slower rate - JAC, 3/2/2011, 6:47 am
- Uh-oh! Hydrothermal areas grow larger in Krysuvik volcano due to earthquake swarm - JAC, 2/28/2011, 3:50 pm
- Earthquakes Pepper Capital Area - JAC, 2/28/2011, 1:24 pm
- More Than 500 Quakes in Southwest Iceland - JAC, 2/28/2011, 5:33 am
- Overview of the Krisuvik volcano activity - JAC, 2/27/2011, 10:09 pm
- Mw 4.1 - JAC, 2/27/2011, 1:07 pm
- Large earthquake swarm in Krisuvik volcano - JAC, 2/27/2011, 9:14 am
- Re: Iceland is Going Nuts - JAC, 2/27/2011, 9:02 am
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