Today (26. February 2024) at 18:27 UTC an earthquake with magnitude of Mw3,4 took place in Krýsuvík volcano. This earthquake was felt, but I don’t know over how wide area.
This earthquake activity might be connected to the inflation that is happening in Svartsengi volcano, as it changes the stress values in the crust over a large area. More earthquake activity is possible in this area.
I am sorry for slow updates. All this activity and eruptions keeps me busy with many things. I also needed a little break from writing articles.
According to Icelandic Met Office and what I’ve been seeing on GPS data from around Svartsengi volcano an eruption is expected possibly next week, it might happen earlier or later, there’s no way to be sure on this. But the inflation has reached the same level just before the eruption on 8. February 2024. What is going to happen in next eruption is impossible to know, until the eruption starts. There is ongoing risk that next eruption is going to happen closer to Grindavík town and not in Sundahnúkagígar area as the eruption on 8. February 2024 took place.
At the current rate, there’s going to be an eruption in Sundhnúkagígar area every 30 or so days until something changes. When that happens is impossible to know. This 30 day eruption cycle might go on for a long time, even many years.
This is a short update on the eruption at Sundhnúkagígar.
Four hour GPS data shows that inflation has already started in Svartsengi volcano, that is currently erupting. This inflation seems to have started soon as the eruption started to get lower around 13:00 UTC.
The lava flow damaged the hot water pipe from Svartsengi power plant and now around 26.000 people on the Reykjanes peninsula are without hot water. There is also some damage to the power infrastructure, but that is minimal and that power has been restored on the power lines that are next to the lava flow. The situation on the cold water is unclear, but it was at risk of damage.
This eruption was larger compared to the eruptions on 18. December 2023 and on 14. January 2024.
Small ash cloud formed today and the reason for that, according to experts in the news. Was that the eruption in part of the fissured ended so suddenly with a pressure drop that the fissure walls collapsed, allow ground to get in touch with lava and then ground water started to flow on the lava. Resulting in two clouds, one dark and a steam cloud. This was large for an about hour or two. Steam cloud was ongoing at writing of this article, but darkness prevents me from seeing if this has stopped. It is likely though.
The eruption is ongoing in two to three craters at the writing of this article.
It is expected, based on current rate of how much the eruption is slowing down that it is going to end tomorrow, 9. February or on 10. February.
Next eruption is going to be in March around 6th to 18th March if current pattern holds for Svartsengi volcano. There’s nothing to rule out that a new eruption might happen sooner. It is impossible to know what happens next in Svartsengi volcano eruptions.
If anything more happens. I’ll post update soon as I can.
This morning (08. February 2024) at 06:02 UTC an eruption started close to Sundhnúkagígar, close to the area where the eruption started on 18. December 2023. The eruption fissure is at the writing of this around 3 km long, but the fissure is getting longer, based on views from web cameras.
This eruption is at favourable location. Since its far way at the moment from all buildings and infrastructure. That might change if the fissure stretches more to the south. This eruption started really quickly, according to Rúv, from the start of the earthquake swarm until the eruption started the time was only about 30 minutes. The time this took on 18. December 2023 was 60 minutes.
I’ll post more information later today when it is clear how this eruption is progressing.
Yesterday (26. January 2024) and today (27. January 2024) an earthquake activity took place in Brennisteinsfjöll volcano, in the Bláfjöll area. The first earthquake had a magnitude of Mw2,4 at 22:54 UTC on 26. January 2024 and the second earthquake had a magnitude of Mw3,1 on 27. January 2024 at 05:28 UTC. Smaller earthquakes started later today. That earthquake activity seems to have ended at the writing of this article.
This earthquake activity, at least in the case of the Mw2,4 and Mw3,1 earthquake did show a sign that they where created by magma movement, among those signs was a strong vertical movement and low period signal that only happens when magma creates earthquake. At this point in time, I don’t think an eruption is going to happen any time soon. It is possible that magma has started to collect in Brennisteinsfjöll volcano. It is going to be several years until something more happens, it might even take decades before anything serious happens.
I am sorry that I am late on this. I’ve been working on my new server computer and its taken longer then expected.
The eruption has ended and it only lasted about 41 hours. The lava did burn down three houses and cause damage to road, cold water lines, hot water lines and electric lines into Grindavík town. A new rift valley formed east of the rift valley that formed on 10. November 2023. This has resulted in that Grindavík town is now an extreme danger area because of cracks in the ground that are up to 40 meters deep until a ground water level is reached. GPS data is a mess because all this been moving the crust up and down, depending if the area is either east or west of the rift valleys that have formed. It takes few days to see how fast the inflation is now in this area. The magma that erupted now did come from a sill that is located in Skipastígahrauni and Eldvörpum area to the west of the eruption site. It doesn’t seems like the sill close to Svartsengi erupted this time, since no deflation was detected there during this eruption.
The maximum amount of time until next eruption is around 30 days, with error of eight days at maximum. This might be shorter, because it seems that inflation speed is increasing. There’s lot of uncertainty in this because how the crust is now around Grindavík town.
The eruptions are moving south along this area and that’s bad news, because that places the next eruption in middle of Grindavík town, once it happens in around 30 days. As is, the town of Grindavík can’t be lived in because of dangers from the faults and cracks in the ground. There has also been a major damage to infrastructure inside Grindavík already and added to the already damaged houses, roads and more.
This is a short update about ongoing eruption that can change without warning and information here can go out of date quickly.
Eruption started close to Hagafell mountain at 07:58 UTC on 14. January 2024. Two fissures opened up.
The largest fissure was at its maximum length around 900 meters. The second smaller fissure is around 100 to 200 meters long.
The second fissure is almost inside Grindavík town and has lava flowing into the town.
Lava flow has destroyed two to three houses at the writing of this article.
In the last few hours, the harmonic tremor has dropped. This suggest that the strength of the eruption is getting lower.
There’s no power, cold water or hot water in Grindavík town. Lava has destroyed the cold water, hot water and power lines that go into Grindavík town. Repairs are going to take months if Grindavík town is found save to live in after few months.
New fissures and displacement happened during the dyke intrusion phase of this eruption. Some areas of Grindavík town moved up to two meters in either direction according to Icelandic Met Office. At this time, accurate measurements have not been done because how unsafe the area is.
The eruption is happening alongside the rift valley and not in it. I am not sure why that is.
This is all I have for now. Next update should be on 16. January unless something major happens in this eruption.
Rúv has web cameras on their YouTube channel and same does mbl.is and Vísir news website.
This is a short article. I’ll post new article later today or tomorrow when I’ve gotten some sleep.
Eruption started at 07:58 UTC on 14. January 2024 in Sundhnúkagígar area, the eruption fissure around 1 to 2 km north of Grindavík town. This eruption was proceeded with a large earthquake swarm along the dyke that was created and is now erupting.
New cracks formed in Grindavík town, resulting in more damage. That’s all the information I have at the moment. The edge of the lava is at the writing of this article around 400 meters north of closest houses in Grindavík town.
Next update is going to be later today hopefully. I’ve been working on new server computer and been awake for too long at the writing of this article.
Early this morning at 06:53 UTC an earthquake with magnitude of Mw4,3 took place in Grímsfjall volcano. This is the largest recorded earthquake in Grímsfjall volcano since recording started in 1991. This happened soon after a glacier flood started from Grímsfjall volcano lake. This is a minor glacier flood.
Experts are expecting an eruption from Grímsfjall volcano. However, it is my personal view that no eruption is going to happen during this flood like last time. The reason being that Grímsfjall volcano has entered different type of eruption cycle. Start of that eruption cycle was in the May eruption in 2011. Why that is I don’t know.
Today (03. January 2024) at 10:50 UTC an earthquake with magnitude of Mw4,3 took place in Krýsuvík-Trölladyngja volcano. A second earthquake with the magnitude of Mw3,5 took place at 10:54 UTC. Both earthquakes where felt in Reykjavík and up to Akranes and along the south Iceland (Selfoss, Hveragerði). A small earthquake swarm took place following the larger earthquakes.
This earthquake swarm seems to be somewhat ongoing, but has slowed down or almost stopped otherwise.
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