Nothing major is to report from last update on Holuhraun eruption. It continues at the same phase as before. It has been slowly diminishing over the past few weeks and continues to do so. There are complex reasons for this, but one thing is clear. This eruption is going to end one day. The size of the lava is unclear that the moment. It volume is now around 1,4 km³ according to the news. Cauldrons in the glacier, on top of the Bárðarbunga volcano caldera rim have been getting deeper over the past few weeks. This means that the hydrothermal activity in those areas is increasing and presence of magma at shallow depth. This also suggests that amount of magma at that shallow depth is increasing. If it is going to erupt is unclear at the moment, there are however currently higher chance that it is going to do so, rather than not.
Earthquake activity in Bárðarbunga volcano for the past 48 hours. Copyright of this image belongs to Icelandic Met Office.
There has been less earthquake activity taking place for the past 48 hours then during same days last week. There are peaks and lows in the earthquake activity, there might be a lot of earthquakes taking place one day, other days there appears to be a low in earthquake activity. What is also playing in as a factor here is the fact that bad weather has been taking place in Iceland for the past few days.
Last week scientists have been doing studies into the gas content of the eruption to see what is contains. SO² continues to be a problem in Iceland, depending on wind direction.
Holuhraun Eruption Gases Studied (Iceland Review)
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Article updated at 22:53 UTC.
Article updated at 22:55 UTC.