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Over the past two weeks there have been signs appearing that a eruption might be close in Grímsfjall volcano. But a GPS station named Skrokkalda. This GPS station has started to move north, but this indicates that inflation has started in Grímsfjall volcano at full power. This did also happen at the same GPS station in 2004 before the eruption in Grímsfjall volcano that same year. But it is debated if this movement was created by ice or by a dike intrusion in Grímsfjall volcano. It is my just my personal opinion on this movement that takes place at the GPS station.
Nope, you are getting it wrong. They divide the year from 0-100, so 2010.50 means the day, when half of the year is over. This is a silly unit in my eyes.
This GPS station has started to move north, but this indicates that inflation has started in Grímsfjall volcano at full power.
Grímsvötn, Iceland's most frequently active volcano in historical time, lies largely beneath the vast Vatnajökull icecap. The caldera lake is covered by a 200-m-thick ice shelf, and only the southern rim of the 6 x 8 km caldera is exposed. The geothermal area in the caldera causes frequent jökulhlaups (glacier outburst floods) when melting raises the water level high enough to lift its ice dam. Long NE-SW-trending fissure systems extend from the central volcano. The most prominent of these is the noted Laki (Skaftar) fissure, which extends to the SW and produced the world's largest known historical lava flow during an eruption in 1783.
2) What are the implications of this volcano erupting? (meaning is it a large dangerous volcano, etc?)
Originally posted by PuterMan
reply to post by woodwytch
Unfortunately there are no cams on Grimsvotn that I am aware of.
It is a bit remote and even the GPS system has to have heaters to keep it defrosted.
I guess if anything was to happen they would probably turn the Katla cam to point at it.