Geologist explains: Lava flow threatens the south-coast road and a farmstead!
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- čas přidán 7. 09. 2024
- Geologist Ólafur Ingólfsson joins us in another video about the volcano. He will talk about the new developments of the volcano as of June 29th. He shares the current numbers of lava being released and talks about the danger to infrastructure that the volcano poses.
The Fagradalsfjall volcano started erupting on March 19th. Now three months later we see how the area has developed.
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#fagradalsfjall #volcano #drone
A quick update! A lot of you were asking for more comments from our local geologist. He happily gave his comments. The footage was filmed on June 3rd. I will post a vlog from it soon. I am not in Iceland presently so it is only audio of him.
Make sure to check out the 3D model here to get a sense of the scale bit.ly/3qHEfXJ
What's the census on the current change? It was quiet for a while, but then it started having surge style eruptions. It's quiet for a while, then it erupts releasing huge amounts of lava, then it's quiet again.
Very informative, thank you.
Thanks for your positive feedback. It seems the rhythm of the eruption is changing from time to time, and there are certainly quite large oscillations in the activity. But, over time the production rate is remarkably constant and the eruption shows no signs of stopping
I reckon the taller the crater font gets, the taller the pressure column becomes, and the greater that becomes the higher is the back-pressure resisting the rise of the column of magma/lava (mass x G). The pressure required to 'push' a standing column out, and over, the crater rim increases. I'll say I'm a bit simplistic now, but I am interested how experts understand ways the increasing flow volume occurs. Much appreciate the input anyway.
Thanks for the date of this footage. I assumed from the shape of the volcano that it was from a while ago. The most recent footage I've seen, the lava output was huge and I suspect much more than 13 cmps. Thanks for your informative videos. Volcanoes are fascinating.
Thanks to this scientist who speaks English that I can understand well, not speaking too fast, it really helps for a French speaker
I agree!!
On est quelques irreductibles gaullois a suivre ce volcan on dirait 😉
It helps me as an English speaker as well! He was very precise with his wording, the knowledge flowing like lava from his brain through little tubes before being slowly and deliberately extruded from his mouth 🤗
Yeah some mathemathecian and scientist think that the more rapping they do makes them smarter
We’re thrilled to listen to your incredibly knowledgeable father again. We’ve been waiting to hear his evaluations of this Volcano, and he certainly made our wait, well worth the time. Your Dad tells us facts that no other presentation or video can or has done before.
It’s amazing to see & hear this volcano’s progress in all the videos now online, but words can’t express what it means to hear your Dad’s explanations.
Sure hope you’ll encourage him to come on often; this is just the BEST!
Thank you Deni! This is a huge compliment and it makes us very happy to hear that 🙏🙏
@R Johnson WHAT! and you have nothing productive to add? what are we to make of you sir! . . . find a mirror mate!
@R Johnson -Why even watch?! If you’re so unhappy & need to vent your anger somewhere, go shout into a fluffy pillow. This is all about Natures’s Fury, not yours.
Incredible knowledge of liquids flowing and gravity....WOW, my 3rd grade nephew can talk about that. geesh.
@@rainman7992 -Not if your 3rd grade nephew is in a public school.
Please thank him for sharing all of this with us! Geologists and volcanologists don't always get the chance to speak to tens of thousands of viewers week after week, and Ólafur does a wonderful job of explaining what's going on. Thank you, sir!
Its great to hear ABOUT the volcano. There is plenty of video, but little enough geological explanation. Great video, thanks for sharing !
It is always far more interesting to watch these videos from someone who knows more about volcanoes than from other people who just release the videos they have taken & pretty much just keep talking about the same stuff in every video.
Hello from lockdown 😢 in South East Queensland Australia 🇦🇺
Keep safe from lockdown uk 🥰
How is snow situation there currently?
It's amazing how nature can be so violent and overwhelming but at the same time, beautiful.
This feels like a national geographic show.
Thank you my friend! I am so happy to see you as the first comment on every video. Respect! Your channel will blow one day. I hope you keep it up!
@@JonBear Thanks Jon! It means a lot 🤩
Thank you ‼️
Someone has finally just gone ahead and TOLD US what a "shield volcano" is.
It's just a volcano that's shaped like a shield lying on the ground. 💁 No need for keeping anyone guessing any more!
Much appreciated, well-made, informative video. 💗
Thanks for your positive feedback. Yes, shield volcano is a geomorphological term that describes the shape of the volcano. Google explains it this way: Shield volcanoes are large volcanoes that are built almost entirely of fluid lava flows, and have broad sloping sides and are generally surrounded by gently sloping hills in a circular or fan-shaped pattern that looks like a warrior's shield.
An actual geologist talking about the eruption. What a concept. This is the best I've seen concerning this volcano because it's not just the video. Cheers!
Short version: “When lava blocks the road do not try to drive through it.”
Larry, not a geologist, in Arizona
wonderful advice :)
Lars: i live in Arizona, USA. Except for quirks of fate my name would be Lars Sorensen. The spelling of our name changed to Sorenson (Swedish) when my great great grandparents emigrated to the US from Haals Denmark. My name, Larry, was selected to honor my Great Uncle who was loved by my parents but never had children.
Here in Arizona we have torrential rains several times a year. The rest of the year it is dry. Throughout our enormous county many roads are paved down into and across the dry stream and river beds that are in many locations. They are called dry washes. When it rains, the roads have been engineered to withstand the flash flooding that occurs across them. It will be bone dry for many months and then, within a few hours of a distant rain, these dry washes change into frightening raging rivers from side to side. As our population has exploded in the past few years many new residents see water in the road and do not understand. As their cars and trucks are swept downstream, the emergency crews are dispatched to save them. Deaths rarely happen if ever. Rescue usually involves emergency personnel wading out to a car mired in mud and knee high flowing water and helping the occupants to safety. This occurs even when flashing barricades are blocking the road. So we citizens all banded together and passed Arizona’s “Stupid Motorist Law”. The law states that anyone who is stupid enough to drive into a flooded wash must reimburse we taxpayers for the costs required to get them out of the mess that they got themselves into. Every year there are pictures of cars and trucks bobbing up and down in the flood water. My favorite was the video of two pretty young girls floating by in a light blue Volkswagen all the while waiving at the onlookers and blowing kisses. It cost them $850 bucks
Larry in Arizona
What a fascinating and extremely clear explanation of what is happening. Thank you to your father for doing this.
Thanks Olafur and Jon Bear, great job, I love it when Geologists tell us whats going on in detail. Keep it coming )x
I was curious about the various gases and lava rates. Your father does an amazing job and sounds like many of the geological professors from long ago. You can hear the passion and close your eyes and see the explanations. I lived in the Yellowstone region of the United States for 26 years and wish your father and I could have walked the caldera as there would have been years of good talks.
Be safe and thank you for the videos!
Thank you , Mr Bear and Professor Íngólfsson for this update on the effect this event is having on the surrounding area. Much appreciated from this viewer in Florida.
Thank you professor, exactly the professional comments I was looking for.
Holy cow. It is SO REFRESHING listening to scientists talk about this volcano. Thank you!
Jon ... I'm amazed that none of the major news networks have used your videography with you're Dad's knowledgeable interpretation of the volcano
Thank you Terry! Actually they've used my video clips but Olafurs commentary is exclusive to this channel :)
Fantastic to get the science and the overall data, images and maps. Thank you. So helpful to gaining knowledge. I'm no geologist, but I am, like many others, a keen student of all manner of things for no reason other than to learn and understand and discover.
Thank you for helping me to understand what I am addicted to. I appreciate all of your knowledge and explanations.
Thank you so much, both of you, for these beautiful pictures and such interesting explanations !!
I'm in love with volcanos, especially icelandic ones, and these videos are a real gift !
I never followed a youtube channel before...!
I really enjoy your podcast episodes and the positivity and optimism of Mr. Íngólfsson. Greetings from
Thank you for your Update! The eruption is more and more abundent and... the landscape is changing under our eyes🌋👍
Thank you both for this update; it's great to learn more and more about this wonder of nature.
Absolutely fascinating, thank you. I am brought back 50 years ago when my father took me to view a film and conference by Haroun Tazzief about the Niragongo volcano ...
Going back still further, I remember seeing a film by Tazief in 1962; it was spectacular and some of the things he and his crew did looked, frankly, terrifying.
Fantastic videography. Fascinating monologue. Hoping I can get to Iceland before it goes dormant.
Fascinating. Thank you for taking the time and trouble - videos, commentary and blogs from the experts are a huge treat for us lesser mortals.
Beautiful narration - very good and understandable English - full of information thankyou
I was hoping for such explanations from a geologist. Was worth the wait. Please encourage him to make more of such audios with explanations. So great. Thank you.
Thank you for your informed and entertaining videos, Ólafur. You have a good sense of humour too.
BEST summary and explanation of the life of this natural wonder. Excellent videography too. Thank you to everyone who contributed to making this #1 video!
I always learn so much from these videos. Thank you professor for sharing your knowledge and improving everyone’s understanding of the scope of this eruption.
Thank you Mr/Dr? Ingolfsson! Very interesting. It surely is looking more like a shield volcano than ever... what a sight! So glad you are able to witness this in person. You really ARE a rock star! 🤩
Thank you Jon’s dad for sharing with us again your knowledge and time! It is always a pleasure listening to you.
Edited to add I await for your detailed and precise yet easy to understand explanations that I cannot find anywhere else.
Learning so much about this. Thank you for sharing.
This is the best video so far on this eruption and an excellent explanation , detailing the estimated volume of lava and gases that are being produced into the atmosphere.
Thank you so much for this information . This illustrates how insignificant is human activity when there are currently 42 active volcanoes around the world.
@ 2:30 that's exactly the image I've been looking for. Elevation compared to distance & direction. Thank you, for sharing your knowledge. It's appreciated.
Your videos on this are so much more satisfying than some of the well meaning amateur commentary that is made. Sincere thanks to you and your father for giving us some proper understanding and perspective on this wonderful volcano in the making.
Thank you Ólafur and Jon! I love listening to your father explaining the facts! Stay well!
This general overview is very much appreciated. Thanks for doing it!
I really love your accent, it’s really elegant the way you speak. Thank you.
I could listen to your voice all day!! Thank you for summarization, its always brilliant. The footage is awsome!!
Thanks for this quality content. It's hard to find volcano coverage with actual information.
I have found some success with Iceland media using Google Translate on the Google app.
Previously, once I determined the right terminology and browser tools, I found what I needed, but this volcano was more difficult due to my language limitation.
Best Overview and Update I've found...wonderful to be given knowledge in such a clear succinct fashion...with higher production value Video records---checks ALL the boxes! THANK YOU!
Thanks for sharing! Great footage and narration.
It's on my bucket list.
I didn't even have one before.
Right..? This comment hits home
Probably how buckets came about
Same here
Oh my goodness! Thank you so much. I understand so much more now. I hope you will continue to update us.
Love this video,
Amazing clips and very very informative!
Please keep us posted! :)
I’ve always had an interest in volcanology and this one has caught even more of my interest, the scale of what it constantly pushes out is amazing, the valley’s floor increasing in height and the flow towards the sea. What saddens me is there are idiots that think "cooled" lava is safe to walk and run on…it’s bad enough for the rescue teams looking for lost people but, to tell families of horrifying details of their kin dying because of their stupidity is deeply worrying…..I’m sure they are the type that believe the earth is flat…..
Thanks for your feedback. I do not think we should judge people who get on the lave too harshly... this might be an information problem. Icelanders know how dangerous this practice is, but international visitors might have missed that information and because there is a solidified crust on the lava think it is safe to walk on. We need to make sure everyone knows how dangerous it is to walk on recently flowing lava, and I am sure that will solve the problem
@@olafuringolfsson9151 I'm sorry but, people visiting the volcano already knows how dangerous it is.......lava hot, lava burns is something a child would know.
"still going strong" ... this is fascinating, thanks for the update!
Happy to have found this. This, is exactly the information I was looking for, some geologist's discussion. Also glad to hear it is being studied to what appears to be an extensive range and depth of data. The nature of this event lends itself to once in a lifetime opportunities to experience what otherwise can only be read about.
Super info!
Thank you for your time.
This mostly sounds good other than destroying the road and farm forever.
It will interesting in year time how big a area has grown in the sea.
That was a wonderful Professor! Very informative and fascinating! Thank you so much ! I was a senior in High School north of Seattle when Mount St Helens blew. I remember two very loud ‘booms’ that Sunday morning May 18th. Not sure if one of those booms was an echo of the first or two separate sounds. I remember that we would get ash on our cars a lot that spring and summer but the worst part was that we didn’t see a clear sky or the sun for 3 months after the mountain blew. I now live in Portland Oregon and I can see Mount St Helens whenever it’s a clear sky but it’s been many years since it last showed a steam or smoke plume.
Thank you for this very interesting and informative video!!
I could listen to you all day, thank you
The low viscosity is remarjable. I wish I could experience this eruption in person.
I hope Professor Ingolfsson will tell us more in the future. His real knowledge is refreshing.
How do geologists measure or estimate the rate the lava is being emitted (cubic meters per second)?
The volume is measured using remote sensing and digital elevation models. Divided by time between measurements gives the volume change per time unit.
Finally an intellectual explanation of this event with visual aids. Thank you.
Thank you for Ólafur´s detailed explanation
Great combination of fantastically filmed footage and real expert knowledge. Thanks for this and keep them coming.
Thank you for this very informative and explanatory video. Good to know that someone thinks things are understandable to the average person :)
great job again! respect and thanks!
In Hawaii, that pollution is called vog or volcanic fog….
So in that case I’d guess you’d call this a “vog vlog”
You damn yanks and your damn abbreviations :)
Thanks for your feedback. In Icelandic we use the word "mistur" or "móða". These words are somewhat difficult to translate, mean something close to fog, but I think the term "haze" covers it. So, volcanic haze.
With all this volcanic activity, More is draining into the oceans now than back when only there was only the Hawaiian. So now it seems we need to end our spewing of petroleum to let Mother Nature take her rebalancing course.
I though vog was for volcanic smog rather than fog. But it works either way.
Here is an idea. Why not let the lava flow straight out into the sea. Since Grindavik doesn't intend to save the road anyway.
Blast open an artificial valley from the parking area on route 427 straight down to the ocean and block the slope down to the farmhouse with a dam.
Give the lava a way to flow from Nátthagi valley straight out into the ocean, - without turning toward the farmhouse. That shouldn't be too expensive. Use the dirt from the valley to build the dam over the road at the top of the slope north of the farmhouse.
One more advantage of that is, that the part of the road 427 that will be overrun by the lava will be very short compared to the option when you allow it to flow down the slope into the flat land where the farmhouse is.
Engineering like this is difficult, at best, when it comes to lava flows. The lava flows in pulses, and unlike water it can build-up in the channel and overflow at any point. Imagine molten Vax being poured in pulses through a channel, and you will see how this works.
@@olafuringolfsson9151 Thanks for the feedback.
Thank you so very much for sharing this information with us! You have been very helpful giving me a greater understanding of the volcano. I appreciate you very much!
Thank you so much, I was waiting for those overviews and informations.
Awesome images! Thank you! And for the explanations too. Greetings from a Physical Geographer in Spain
Thanks for sharing your knowledge and for the insights. I think there are many people out there who would be interested in some more in depth information about the scientific background of this wonderful event 👍🏻🚴🏻♂️🌈😷🖖🏼
Very nice video with spectacular views but very interresting comments, thank for sharing !
Thank you for the great footage 👊😎🙏
Thanks for the commentary Olafur - brilliant to see a new shield volcano being formed before our eyes! Would be cool to see the magmatic composition changes as you noted in gas and lava samples.
Thank you! I hope to do more update videos with him
Fascinating, simply fascinating! Thank you for posting this.
Quite the surge, starting at 6:30.
What a great overview.
Great. Others please, and thank you for those explanations we've never heard so far.
Thanks for the clear explanation of what is happening. I heard you say photogrammetry and know how it was used.
Thank you for a clear, professional assessment of the situation.
Love your clear explanations of our beloved volcano!
Thank you very much for this video. We hope the best!
We need constant updates as follow up on the development of this volcano if possible, Technical update is more important & pleasant rather than beautiful footage for me, much appreciated.
Thank you for the feedback Silvia! My dad says he's open to do more update videos with me so stay tuned :)
Thanks for these videos Jon. I’m heading out on 31 august. It Looks quiet at the moment though- just smouldering. . Really enjoyed the narration on this. I’m a Voiceover artist so I enjoyed the gentle warm professorial tones as much as the facts. Look forward to hearing more and seeing more. Cheers. Pete
Nice work. Thank you for sharing this video.
Very informative. The incredible forces of nature explained in layman's terms.
Thank you. Excellent information much appreciated :)
Thank you Tony!🙏
Great insight and knowledge shown and communicated concisely in a way that any viewer can understand. And the bonus of an excellent overview of the terrain. Thanks.
So ... bad for the carbon footprint of Iceland.
Very well explained, thank you!
Such a beautiful sight!
Thank you so much for this video. It is fascinating to watch this volcano form, but it is even more interesting when you can learn what is happening, why and how it happens. And this is done very well in your clips. I was watching the lava lakes forming today in some recent clips and had a huge amount of questions, this has answered many, but would like a clip where these are explained in more detail please. I get the lava is potentially still flowing under the crust but it seems extreme to see it behaving in this manner so far from the creator. Does the crust it is swallowing up turn back into liquid for example.
One other point that I really appreciated from this clip was the 3D map modal which truly showed the scale of the lava field, but also the directions it has traveled and a much clearer image of where it could yet go. Something that has been lacking so far. Amazing! Keep up the great work, all or you who are involved. Look forward to many more on this subject and others you have released.
Thank you for sharing! You can check the 3D map yourself link in pinned comment. As for the crust, New lava flows under it, and pushes the crust up. Meanwhile the crust keeps the heat in so that the liquid lava can travel further before solidifying.
Solidified lava does not liquify again as far as I know. I'll confirm with Ólafur
@@JonBear thank you for taking the time to respond
I remember reading in an Icelandic Cookbook that the writers grandmother was able to predict an eruption by when her silver items began to tarnish. This was well before satellites or fly overs.
Interesting. Silver gets tarnished by Sulphur (SO2 and H2S) emitted from volcanoes and geothermal hot springs. That would usually happen after an eruption started, rather than before...
S02 is reported to have increased on June 28 in the morning of July 1 prior to the eruption on the afternoon of July 1 at the Taal volcano in the Philippines.
See if you can get the right camera to document the lava underwater. I'm only aware of footage of pillow lava being formed off of Hawai`i. Ask Ólafur what is needed so you can order the equipment now.
Thanks for your feedback. It would be nice to document pillows forming under water, and I am sure my colleagues in volcanology will try to set this up if/when the lava reaches the ocean.
Thanks for this clear explanation of what's happening. The CO2 output is frightening in terms of climate change but this is not something anyone can fix. Keep safe.
Thank you for the explanation its interesting to here the updates
time to build a bridge over the potential lava flow threatening the S1 road
We will wait until the eruption stops and rebuild the road.
Fascinating, and really informative! Thanks.
Thank you for your knowledge and footage.. 👍
If that much CO2 is being released, one can hope for a kimberlite upthrust someday and maybe around the shoreline there already is diamonds deposited in the sands, like Namibia...
Well, kimberlites come from much greater depths and higher pressure than the magma that is being erupted at Geldingadalir. So, unfortunately, no diamonds...
Excellent. Thank you very much indeed.
Thanks for the updates from June 3rd, it’s so very interesting, I’d love to see what’s happening now in the beginning of July, I’ve never heard of aVolcano flowing for this length of time.That I can remember, not that I’ve taken a lot of interest, as much as this one. Probably as I haven’t had a iPad before.
Mount Kīlauea erupted almost continuously from 1983 to 2018 and erupted for over 200 days seven times in the historical (since 1790) records.
Thank you so much for offering us this wonderful insight into this spectacular geological activity and for the amazing video footage and informative animations. It was really informative.
People need to pay attention to what is occurring on our earth
The beginning of birth pains.
A quick informative talk by the professor. Really enjoyed it especially knowing what has taken place between then and today, May 2024 !