Update on the eruption in Fagradalsfjall mountain on 5-June-2021

There has not been a lot of change in the eruption during this week (28-May to 5-June) in the eruption of Fagradalsfjall mountain that might be part of Krýsuvík-Trölladyngja volcano system.

  • The crater continues to get bigger. The crater grows by collapsing on the inside and expanding it walls following that it seems. Current height of the crater is 300 to 500 meters. This is a bad estimate based on web camera views.
  • The main viewing area is now cut off from walking people because lava has flowed over the lowest point on the walking path.
  • There is now a risk because of the overflow over the walking path that the western barrier is going to be breached soon.
  • In general the lava doesn’t travel far but it builds up close to the erupting crater and is now at locations hundreds of meters thick.
  • If the eruption continues as it has been doing the whole area is going to go under lava in next 6 to 10 months. As the lava just keeps building up.
  • There are no signs that this eruption is ending.

There are no other news about this eruption that I know of. It continues as it has been doing since 19-March-2021. In other parts of Iceland it has also been quiet or minimal activity not worthy of reporting.

This article is a little late because I was dealing with headache issue for the last 12 hours.

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Update on the eruption in Fagradalsfjall mountain on 21-May-2021

This is a short update on the eruption in Fagradalsfjall mountain on 21-May-2021. This is part of the Krýsuvík-Trölladyngja volcano system.

There has not been a lot of change since last update on the eruption. The eruption has now been going on for two months and few more days. There are no signs of the eruption ending.

  • The lava fountain activity continues as it has been doing for the last month.
  • Output of lava has been increasing and is now around 11m3 compared to 5m3 at the start of the eruption.
  • Lava is now on its way to the ocean by flowing down into Nátthagadalur valley. There is an attempt to try and stop or delay that from happening by pushing up defences and try to hold back the lava field. It is my personal view that this attempt is going to fail, at most it is only going to delay the lava a little bit. Since the lava field also has to get over a hill that is in its path anyway. That is only going to take few days to a week depending on how much lava is being fed into this part of the lava field. That changes all the time with no warning.
  • Most of the lava goes into Meradalir valley where it is for now not putting anything in danger or risking infrastructure.
  • SO2 pollution is starting to show in south Iceland. There was also report of static electric charge build up around the eruption site yesterday (20-May-2021). It didn’t result in a lightning but the risk was in place for a good while.

There are for now no other news of the eruption and it has been quiet in other parts of the Iceland during the last week.