Iceland Volcano Updates | 4th Largest Jökulhlaup since 1918
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- Опубліковано 30 вер 2024
- Hello everybody!
On July 27th, a Jökulhlaup occurred from Mýrdalsjökull which is the glacier that covers Iceland's most powerful volcano, Katla.
This Jökulhlaup was one of the largest ones we've seen since 1918 and caused quite a bit of damage to Iceland's ring road.
The reason this Jökulhlaup was so powerful is uncertain but nothing suggests it has anything to do with an eruption.
While all this was happening, activity on the Reykjanes peninsula stayed the same with uplift in Svartsengi continuing at a steady rate
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News: 00:00
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Data and Details: 0.53
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Iceland -crazy names, crazy geology, great UA-camrs.
Agreed.😁
Hahaha. It's definitely an interesting island
I´d go with "weird names ONLY locals can speak out". Fully on board otherwise, have a nice day
I told my wife just before I read the comment thread, "I LOVE how this guy says these names of things that my brain can't even recognize how to make my mouth frame itself to make the sounds of the letters baahahahahahahahahaha
And yes... I second, move, and carry all your points!!
Your videos are always incredibly interesting and the way that Iceland copes with disruption on this magnitude and scale, and manages to repair things so quickly very impressive indeed.
Ayyy, glad you like the videos!
We've definitely gotten good at handling these situations. At this point we're mostly annoyed when they happen, not scared 😁
I have nick-named the phenomena where you try too hard to get the last liquid out of an iced drink, and the ice breaks loose and hits you in the face, a jokulhlaup, which translates as “glacier burst.”
@@charlesward8196 hahahha
Thanks for the helpful explanation about how the Jökulhlaup happens. I wonder if they were able to get InSAR measurements of the surface height of the top of the glacier and see where the kettle full of water was. Maybe the surface is changing too much in this summer season for InSAR coherence.
My goodness, Icelanders live in a very interesting /challenging landscape. Always Something to keep you on your toes.
Thanks again 🦘🦘🦘
Excellent discussion! Now a know the Icelandic term for glacial outwash
Yeah, Jökulhlaup has established it's self as the word to describe glacial outwashes in the geologic community as they happen so often in Iceland
If only the Icelanders could have found a word more pronounceable by the rest of the planet! 😛
Thanks for the video and the explanation. 👍
Then again, compared to some of the town, glacier and mountain names, this one is quite tame! 🙄
Thank you for this interesting update. New to your channel from Calgary, Canada. Just watching some world wide activity due to the "cannibal" Coronal Mass Ejections from the Sun. Expected to hit Earth July 30-31. Last big one of this magnitude was 1892. Grimsfjall erupted. Yellowstone in the USA has been acting a bit strange as well. But if Katla blows, it will be significant. That one could cool down planet earth a bit! My love affair with Iceland started decades ago and finally made my first trip Sept 2023. Will be back in 2025.
Hello. If geothermal activity beneath Katla created this large outflow (I'm not even going to attempt Icelandic!!) ha ha can we speculate that maybe there is more geothermal activity that scientists either did not know about, or did not account for? There must be more kettles involved to produce this kind of outflow, yes? So what is the heating mechanism under the glacier, and just how big is it? Is the magmatic activity and geothermal activity linked? Would an excess of magma somewhere inside of Katla be fuel for geothermal activity, as it is heating up the surrounding rock and water table? hmmm
I have heard it said that an eruption Inside of Grindavik is possible. Not only from the January eruption site. But you said that seems unlikely !!!!
There's definitely something different about this Jökulhlaup compared to normal ones.
Could be that something changed in Katla's geothermal system which caused increased melt, we just can't tell at the moment.
It's true that it's been said an eruption could occur inside Grindavík but that's only a could.
It's still way more likely it'll just occur in the same spot as last time as it seems to be much easier for the magma to surface there.
Each time magma has searched south, the intrusions last longer an lose puff.
Those intrusions do however cause extensive damage to Grindavík as the ground deformation is much greater when the intrusions last longer.
The Jökulhlaup was so large because the trolls ran out of vodka and held onto any liquid they could find! 🤗
Hahaha, that's the best explanation yet😂
Hmm, this somehow could indicate an even larger perspective than before 🤔
Good video 😂 good job delivering content without making a video of yourself 😂 others should follow your lead
What a nice Video! Thank you so much. When the lake under the glacier is emptied, isn't it increasing the risk of a new eruption because the pressure is gone? Stay safe❤
Ayyy, you're welcome!
That's correct, this event does release a lot of weight of the system and it's possible that it could result in an eruption.
Fortunately, that doesn't seem to happen often in Katla, atleast not in recorded history.
However, it is known to happen in the more active volcano Grímsvötn. We could be about to get a Jökulhlaup from there soon and then there would be a major risk of an eruption as that volcano is well due
I'm guessing life in iceland has always been very difficult. Wow!😮
It depends on what you call difficult 😁
We grow up with this so it's a bit normal
When something happens we deal with it fast and safely. Most of us don't think about this unless something happens....something big. We're used to small eruptions recently. BUT there are few volcanic systems that are overdue....those are the big ones!!
The 1783-84 catastophic Lakagìgar eruption cooled earth's temperature be 2°c. Killed 8700 people but estimated up to 2 million died.
The ash and gas coverd northern hemisphere and crops and hunger spread widely
Many say that the 1789 French revolution is the aftermath of that eruptions
So we have some nasty ass volcanoes
But no worrying helps so we tend to think about elves instead for example 😁😁
So thats a good thing its not going to erupt. Something that big could cause weather problems for a good art of the world if it was a big one and since she hasn't erupted since 1918 yea.big boom. So now we don't need to worry about Katla I'm keeping an eye on the earthquakes in the Reykjanes area, don't want to miss it when it does erupt.
Yeah, it's scary to think what Katla could have in store after such a long break.
commons.m.wikimedia.org/wiki/File:Katla_1918.jpg#mw-jump-to-license
Thanks for the update, we'll see you all in November. Until then keep the northern lights on for us.
Will do!😁
Thank you ❤
You're welcome 😁
was looking on the eq map yesterday noticed they started over the eastern side then went central, today the eq's went south slightly different area
Yeah, really interesting to watch. This shift in earthquake activity might be showing us directly where the geothermal system is changing and if so, it's changing over a large area.
@@Hliarmenn i was thinking similar lines, but more for melt water and the glacier dropping after the water has moved off
bit more active today on the Reykanes ridge leading inland couple 3's will check back in couple hours and have another look see if its going to be enough to trigger before August... will just have to wait and see 😅
Technically as a Jökulhlaup particularly a large one can trigger a volcanic eruption through the removal of material weighing down on the volcano it's possible that Katla could wake up soonish.
Is Katla really the largest volcano unless you mean specific size as Bardarbunga has produced some crazy huge lava floods of its own too as well as a historical VEI 6 and then there is that volcano with an O which also produced a VEI 6 eruption. Lots of scary contenders there....
Yeah, it's definitely a possibility this will effect Katla and possibly trigger an eruption in the near future although I think we haven't seen any relationship between Jökulhlaup and an eruption in Katla's recorded history like we've seen in Grímsvötn.
Katla is Iceland's most consistently explosive volcano with almost all eruptions being between VEI 4-5 with it's largest eruption being a VEI 6.
@@Hliarmenn What was that VEI 6? Was it the Eldgjá fissure eruption? That was its most voluminous eruption counting its effusive components and apparently included at least 16 Plinian and or Sub Plinian eruptive phases even if it was predominately an effusive fissure eruption like Laki. That said Eldgjá was unlikely to be the first such fissure eruption of Katla as the mid ocean ridge fissure lineament faults seem to get reused periodically and it is one of the main hot spot associated central volcanoes which falls along the area where the MOR cuts ashore the others being Grimsvotn and Bardarbunga. There are also those caldera complexes of Askja and Krafla and there are probably others too but they are further from the core of the hot spot. Looking into the MOR extension stuff is fascinating.
As is the Icelandic hot spot which I have recently learned can be traced back further in time than the North Atlantic Large Igneous Province as it had passed through Greenland and far Northeastern Canada where it appears to have played a role in the rifting of Greenland from North America. The hotspot it seems is related to the Large Igneous Provinces which together are collectively known as the High Arctic Large Igneous Provinces the oldest of which dates back 130 million years.
Modern Iceland dates back 20 Ma but it appears to merely be the youngest chapter of a long lived hot spot which has driven the formation and gradual quasi-quiescence of the Arctic ocean, where the modern spreading center Gakkle Ridge has one of the slowest rates of sea floor spreading of any active MOR system known so far leading to melt pooling up and undergoing crystal fractionalization which ultimately builds up deep sea stratovolcanoes and caldera complexes, and the formation of the Davis straight which appears to be extinct since the collision of Greenland with North America, and then finally the North Atlantic which it seems is currently being fed/energized by the plume.
Sorry, I recalled incorrectly, Katla's largest known eruption is a VEI 5 since, of course, Eldgjá's output doesn't put it on the explosive list.
Thanks for sharing this those interesting fact regarding the Icelandic hot spot, it has such a rich history due to all the land that has passed over it.
What I would do to see a time lapse of it's creations over the last 150 mil. years.
Йоккопуккало!
You're awesome.
Is that a lahar is it
They have a lot of similarities.
There are some minor differences like the fact lahars can form without glaciers and have much more debris in them.
Jökulhlaups can only form in glaciers.
Is this like a baby version of the Missoula Floods in Washington state, USA?
Thank you for the update! Informative and interesting! Have a safe and great day!
Can you if think what happen if all the active volcanoes erupted within hours of each other. Welcome to the dark age.
Thank you for a very comprehensive update.
You're welcome 😁
Thanks for teaching knowledge to the masses and for your dedication.
Thanks for tuning in 😁
Oh, thanks for the update. I have big respect for Katla, she is… big!
And, by the way, I we have to get more than 20 Kubikmeters to see an eruption at Svartsengi. I think there is more place for the magma, all these cracks.
Thank you for your calm, informative videos. I’m coming to Iceland on Aug. 9 to visit the fiords. My fascination with volcanoes is intense, but I hope my trip doesn’t get too exciting due to an eruption. The forces of nature are humbling.
@@ladycircumnavigator hahaha, you definitely can't rule out the eruption scenario, you're trip might get really exciting 😁
Hope you have a great stay!
"Well, let's check out the details." One of my ABSOLUTE FAVORITE LINES in all of UA-cam, so very close behind "leaving one less for tomorrow" from @EngineerReact, who documents the success of Ukrainian drones against Russian targets. SO very much appreciate your pronouncing all the place names slowly at first, so those of abroad can learn how to pronounce them correctly!
One could argue that Katla should be erupting soon, and this activity may be a mere precursor to something that will be more spectacular within the coming year. However, Jólnir's timetable is seldom one that humans would consider expeditious or even polite, and he doesn't care about timing to appear in the evening television "prime time" broadcasts.
Take care, and stay safe!
@@EducatedSkeptic ayyy, a pleasure to know that line hits home😁
Will be interesting to see how Katla behaves in the next couple of days.
Thanks for tuning in 😁
Excellent and very informative, þakka þér kærlega fyrir. 😊
Thank you for this update and explaining. Greetings from the Netherlands.
Such a beautiful language.
The 18 million cubic meter estimate is from when the last eruption ended right? As in it started accumulated after the eruption stopped? If yes then that was about 35 days ago, June 22 wasn't a full day and this video was posted yesterday. So, let's say it is 35 days and it took that long for about 18 million cubic meters to accumulate. That would give an inflow rate of about 6 cubic meters per second.
If I'm wrong with the days please let me know.
The accumulation actually began 5 days into the eruption, so June 5th. That makes it 55 days if I'm counting right and thus 3.7 m3/s average influx. The reason this number is so low is likely because 25 of those days are when the eruption was still ongoing.
@@Hliarmenn Did some recalculations. On July 1 it was about 8 million, on July 28 it was 18 million. So over the roughly 26 days or so 10 million cubic meters built up. If correct that equals roughly 4.5 cubic meters. Though, seeing the GPS data it could be more like 6 cubic meters.
Since there was no uplift during the eruption, and for about a week after, with a steep rise, I think I could be partially right about the cracked and stretched rock.
Also before the last eruption started, in the 5 days before the eruption 2 million cubic meters were added to the magma chamber or sill. That tells me inflow increased in those days.
Though, seeing the uplift rate, it's possible inflow is more like in the 5 to 6 cubic meter range.
Than means it still has plenty of puff left
@@Hliarmenn Writing this from my other account, main one has been temporarily blocked because someone falsely reported me for hate speech. All I said was in that AI generated video was that it was fake. Some people see the slightest thing as hate speech these days.
Anyway. Yeah it might last a bit longer. See, the November 10 earthquake swarm and dike formation alone stretched and cracked the rock in and around Grindavik up to the Blue Lagoon and Svartsengi Power plant. On the AfarTv live stream there's a ridge that runs next to the road leading from the Blue Lagoon area to Grindavik, it has a large crack in it that formed on November 10. It's possible that the crust has been stretched and cracked to the point that there needs to be a certain amount of pressure in the magma chamber or sill before the land starts to uplift again. It's possible that the volume in the magma chamber may have already hit 20 million cubic meters.
Reno Nv U.S.A.
Really enjoyed the new information about Katla. Thank you.
Ayy, you're welcome 😁
Amazing video and thanks for the explanation
Intressting information. Thank you for the update Stay safe cool and Enjoy life.. it's our pleasure to learn something new every day.. ✨️👍🇮🇸👋😊💞
You're welcome, thanks for tuning in 😁
Wonderful video footage! Great information! You make it very clear. 😊 Thanks for sharing!
Ayyy, glad you like it!
I witnessed a jokulhlaup in Juneau Alaska last summer, three riverside houses were completely washed away. it was amazing to watch the forces of nature destroy with no regard for people.
@@Shobo11 wow, these floods are something else. I can't imagine what Katla's larger floods look like but their discharge can reach as high as 400.000 m3/s which is twice that of the Amazon river.
Great description of the way the geologic events unfolded. Well laid out, i learned a great deal. Thank you
Glad it was helpful 😁
Thak you Gylfi. Stay safe. 🤗🦘🇦🇺
Oops I meant thank you lol
Hahaha, no problem, we're sometimes mistaken for each other 😂
@@Hliarmenn lol
i just learned about Vik today. honestly, it was the first time i ever felt disappointment about Icelandic town names. the town named Kirkjubæjarklaustur completely made up for any disappointment i had. thank you for the video. i hope that this situation brings more money to the island from tourists, and does not negatively effect the population there
Excellent update post, thank you!
@@rickc4317 you're welcome 😁
Hand of God. The earth is speaking all over the world. Listen and seek Jesus💕
People are responding all around the earth, and they are saying 🖕🏽