This is a short update on the eruption in Fagradalsfjall mountain in Merdalir valley. As expected there is not a lot of news in this eruption, since lava type of eruptions are normally not news heavy eruptions.
- The amount of lava that is now erupting according to latest news is about 15m3/sec. This is higher than the eruption in Geldingadalir in 2021.
- The lava seems to have filled up the valley the eruption started in. The floor seems to be about 10 to 30 meters high depending on location.
- The crater has formed to some extend. The lava lake that remains there blocks the formation of a normal crater for now. This might change with time as the eruption continues.
- Lava flow go both in south and north direction. The north lava flow goes into a smaller valley that was there. This is the long way out of the valley for now.
- There is a risk that the lava flow is going to reach road 427 (Suðurstrandavegur) in few weeks time.
- The risk of new eruption sites opening up remains high and that risk increases as the eruption goes on.
- There is a swarm of small earthquakes that has been happening regularly since the start of the eruption in the dyke. It is unclear why that is happening.
- I’ve been seeing what appears to be a lava fountain taking place in the eruption in the last few hours. This has not yet been confirmed, I have however observed this on the web cameras.
I think this is all. I hope the next update is going to be on Friday 19th August 2022 unless something major happens.
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