Wolfie Posted April 8, 2021 Share Posted April 8, 2021 12 hours ago, ramit said: 1 week time lapse Amazing footage but I'm struggling to get an idea of the size & scale of it. How big are the cones in relation to the surrounding ground? Sorry if this is a stupid question but there's never a reference point to gauge the size. ramit 1 Link to comment Share on other sites More sharing options...
Eddie Posted April 8, 2021 Author Share Posted April 8, 2021 (edited) 15 minutes ago, Wolfie said: Amazing footage but I'm struggling to get an idea of the size & scale of it. How big are the cones in relation to the surrounding ground? Sorry if this is a stupid question but there's never a reference point to gauge the size. Very small. Probably less than 50 metres high. This type of eruption consists of very runny lava (think maple syrup as opposed to toothpaste) which is extremely hot, so the cones are very unstable and frequently collapse. There is probably no more than 10 cubic metres per second peak flow, so it will spread out over a wide area, filling a valley before it flows down into the next one. Edited April 8, 2021 by Eddie Wolfie and ramit 1 1 Link to comment Share on other sites More sharing options...
ramit Posted April 8, 2021 Share Posted April 8, 2021 12 minutes ago, Wolfie said: Amazing footage but I'm struggling to get an idea of the size & scale of it. How big are the cones in relation to the surrounding ground? Sorry if this is a stupid question but there's never a reference point to gauge the size. It's not a stupid question, but the answer is a bit questionable As i haven't been there, i can only gauge it from pics and videos and the cones keep changing, collapses occur, but would estimate the largest one to be about 30 meters high. There will probably be more cones as this thing rumbles on. Wolfie 1 Link to comment Share on other sites More sharing options...
ramit Posted April 11, 2021 Share Posted April 11, 2021 Link to comment Share on other sites More sharing options...
Eddie Posted April 13, 2021 Author Share Posted April 13, 2021 And then there were six... Carl Sagan and ramit 2 Link to comment Share on other sites More sharing options...
Eddie Posted April 14, 2021 Author Share Posted April 14, 2021 Night view... ramit 1 Link to comment Share on other sites More sharing options...
ramit Posted April 14, 2021 Share Posted April 14, 2021 More vents are possibly opening up south of the main cone. The northernmost vent is dying down, which indicates to some scientists that elevation over sea is a determining factor in where new vents will open. Gas pollution in Reykjavík today. Link to comment Share on other sites More sharing options...
Eddie Posted April 15, 2021 Author Share Posted April 15, 2021 Tonight's screencap... Link to comment Share on other sites More sharing options...
Eddie Posted April 20, 2021 Author Share Posted April 20, 2021 Tonight... richinspain 1 Link to comment Share on other sites More sharing options...
Eddie Posted April 21, 2021 Author Share Posted April 21, 2021 Tonight's screencap... Link to comment Share on other sites More sharing options...
Eddie Posted April 28, 2021 Author Share Posted April 28, 2021 (edited) Tonight's screengrab... Down to a single vent now, more or less as expected, but the rate has, if anything, increased over the weeks. Many people now think that this is going to be a very long and very productive eruption. Edited April 28, 2021 by Eddie GboroRam, I know nothing and ramit 3 Link to comment Share on other sites More sharing options...
ramit Posted April 29, 2021 Share Posted April 29, 2021 Here's something i haven't seen before, a magma cyclone. Video at link https://www.visir.is/g/20212102707d/otrulegt-myndband-af-eld-skystrokk-i-midri-hrauntjorninni Eddie 1 Link to comment Share on other sites More sharing options...
Eddie Posted April 29, 2021 Author Share Posted April 29, 2021 1 minute ago, ramit said: Here's something i haven't seen before, a magma cyclone. Video at link https://www.visir.is/g/20212102707d/otrulegt-myndband-af-eld-skystrokk-i-midri-hrauntjorninni I saw a couple when Holohraun was erupting. We called them 'sharknadoes' after the film released the previous year. ramit 1 Link to comment Share on other sites More sharing options...
Eddie Posted April 29, 2021 Author Share Posted April 29, 2021 The current camera is from the opposite side now - the side which, before today, was obscured by the spatter cone. I think we can safely assume that it's a 'proper' volcano now. Tonight's screenshot... Link to comment Share on other sites More sharing options...
Eddie Posted May 2, 2021 Author Share Posted May 2, 2021 The volcano has now moved into a periodic eruption phase, a little like a geyser. It goes quiet, then a few minutes later there are huge lava fountains going up to 250m in the air, then it goes quiet again. The cyclic period at the moment is around 12 minutes, give or take. The following three screenshots were taken 1 minute apart... Carl Sagan, Grimbeard and ramit 3 Link to comment Share on other sites More sharing options...
ramit Posted May 2, 2021 Share Posted May 2, 2021 Grimbeard 1 Link to comment Share on other sites More sharing options...
ramit Posted May 8, 2021 Share Posted May 8, 2021 460 meters Eddie 1 Link to comment Share on other sites More sharing options...
Eddie Posted May 9, 2021 Author Share Posted May 9, 2021 (edited) Still chugging along quite nicely. You get a few minutes of bubbling followed by nice fountaining, then it subdues and falls quiet for around 10 minutes, only for the whole cycle to start again. The flow rate still averages out at 5-7 cubic metres per second and shows no signs of diminishing in the short term. Edited May 9, 2021 by Eddie ramit 1 Link to comment Share on other sites More sharing options...
Eddie Posted May 9, 2021 Author Share Posted May 9, 2021 Tonight... Link to comment Share on other sites More sharing options...
Eddie Posted June 6, 2021 Author Share Posted June 6, 2021 A few weeks later, the characteristics of the eruption have changed again. The conduit from the mantle is wider, so there isn't the massive pressure build-up which led to the 300 metre-high fountains. However, the flow of magma is showing no sign of abating - in fact, it has now increased to around 12 cubic metres of lava every second. It's still very periodic, with 5 or 6 minutes of quiet followed by a growing - then subsiding - level of activity lasting 2 or 3 minutes before it starts all over again. I know nothing, ramit and Van der MoodHoover 3 Link to comment Share on other sites More sharing options...
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