It is home to the world’s largest acidic crater lake, the site of a dangerous sulfur mining operation and of course, it radiates the natural phenomenon known as the electric blue flames! But it would produce dramatically less toxic waste (but the same amount of waste) as the solar powered solution and be far safer than either of the other solutions. Here’s a few cool Kawah Ijen facts in case your were a bit more interested in this incredible natural wonder: Kawah Ijen is an acidic lake created in the crater of the active volcano of Ijen. It’s known for its turquoise colour, huge deposits of sulphur and the blue fire that can be seen only in the night. The video footage was breathtaking, but the hike into the crater seemed so perilous that I figured I would never be able to see the volcano’s turquoise lake with my own eyes. of earthquakes in the South Sandwich island, with 5-6 M5+ in the past month. And someone competent to undertake it. Apologies the link : http://www.emsc-csem.org/Earthquake/earthquake.php?id=494450. The caldera rim is still visible in places, but has been partially buried by Kawah Ijen, 2800m high Gunung Merapi, Gunung Rante and Gunung Pendil volcanoes. The best way to mitigate the lake is to reduce evaporation. Ijen volcano is located in the eastern part of Java, in the direction of Bali. The Ijen crater is filled of bright turquoise water, which despite being beautiful to see, is actually extremely acidic. to top. The weekly volcanic update is now available! Kawah Ijen, the active vent, is fuming on the left. Kawah Ijen volcano (2386m) is an active stratovolcano located on the eastern part of Java Island. Greece . Kawah Ijen has the natural phenomenon that we called it Blue fire / Blue flame that only appears at night which is between 7 pm – 4:30 pm. Some people called blue fire / blue flame and it’s only two in the world, one of them is in Ethiopia. Apparently she’s a bit restless tonight. Some of the gas condenses in the atmosphere to produce flows of molten Nope, but I have seen what happens when you add it to a beaker of powdered sugar. Kawah Ijen has 0.2 in ph, and it contains 31.5 million cubic meters of acidic brine caused by sulphuric gases being scrubbed in the rain-water filled lake. The lake is recognised as the largest highly acidic crater lake in the world. Earth’s crust contains approximately 0.03-0.09% of sulfur. The worst case scenario would obviously be to dig all of it down and cover it up while you wait for the next big eruption. Iceland is probably the wrong area in the world for those dreaming dark dreams of big eruptions. Why could you not mine the metal salts (via vacuum), not unlike they do with the Sulfur. During this reporting interval an intrusion appears to have risen to a shallow depth beneath the crater lake. The dam is leaking a lot already. Now, I’m going to preface this with a very large “volcanoes do not follow schedules” type of warning. Kawah Ijen (2386 m) is a composite volcano located within the Pleistocene Ijen Caldera, at the easternmost part of Java island, in Indonesia (Fig. This would as it happens lower the de-pressurization with 10 to 20 percent. It is though the least well known feature that we are going to talk about today. One way or another that acid lake is going to wind up there someday anyway, Ever seen what happens when you add water to concentrated H2SO4? At Kawah Ijen the risks are far greater since the mitigation might produce a premature eruption. This is a story about our spontaneous road trip to Kawah Ijen volcano in Java Indonesia. I guess the limiting factor is how fast the water can be treated and released outside of the lakes watershed without causing problems from the mass change felt by the crater floor. Famous for: Mount Ijen blue fire and turquoise blue milky sulphuric waters Please put me down for a tenner on “within a week”. I pop in to check the charts regularly and there’ll be a couple of days of tremors all over the place, before it goes quiet once again. The trick is to change small fractions of the lake per year. And to compound the problem even further, the water is high in heavy metal content. Which is diametrically opposite to the meaning of your 18:41. Bear with me, it’s a halfway stupid question. The primary danger may be caused by the eruption of Ijen are pyroclastic flows, lahar eruption, and lava flows. Set aside wind, sea and traffic events, you’ll get a few days quiet before tremors increase again for a little while. These are fairly inert compared to what the volcano already contains, so they could safely be reinserted into the volcano. The effluent outlet in the ocean would not be a place to go fishing but the dilution factor is enormous and it would be a localized impact only. It’s located in Dallol Volcano, but it doesn’t come every time same as Kawah Ijen Volcano. But, the problem is that it would be creating a lot of highly hazardous waste, about a kilogram per second if you would be handling the minimum of 10 liters of water per second. Tuesday15.03.2016 07:46:55 65.081 -16.732 15.2 km 0.2 99.0 7.6 km NW of Dreki In other words (for them that are curious), based on the eruptive history of the system, it should have already gone off by now, yet it hasn’t. Mount Ijen is like no other volcano in the world! The active Kawah Ijen Volcano is part of a complex of volcanoes in Banywang Regency, Java. Nothing overtly volcanian at Bárdarbunga and Askja. The unique way of its production can be found in the volcanic field of Java, Indonesia. Photos from Greece: We have traveled and studied extensively in Greece, in particular on its active volcanic areas such as Santorini, Nisyros, Milos, Methana. One of those intra-caldera vents is the side vent of Merapi that we are going to talk about today. Tuesday15.03.2016 07:52:42 65.071 -16.671 18.1 km 0.2 99.0 4.8 km NW of Dreki In its pure form, sulfur can be found around active volcanoes or hot springs. Schedule Winter Semester 2010: Using XRD/EMPA: EDS in conjunction with XRD will be used to determine the mineral assemblage for the alteration center and active dome samples. A steel-reinforced concrete wouldn’t work as you would only end up with a slurry clay powder and mildly salt-water diluted battery acid. Tuesday15.03.2016 07:50:25 65.085 -16.677 17.8 km 0.5 99.0 6.2 km NNW of Dreki In its pure form, sulfur can be found around active volcanoes or hot springs. But to answer your question, its certainly possible one of these massive volcanoes had a small eruption in the 19th century. And remember that these metallic salts would anyway unceremoniously be dumped into the river systems if the dam breached or there was an eruption at Kawah Ijen in far greater amount than from the treated water. The beginning of the crater wall of Kawah Ijen with Gunung Merapi in the background. But, re-manufacturing/replacing them could be an industry unto itself, covered by the mitigation budget. Pastos Grande Caldera? See quakes that people felt in the last week. Imagine that you are Gunung Merapi and that nobody cares about you since there is much more famous volcano named Gunung Merapi. Kawah Ijen volcano (2386m) is an active stratovolcano located on the eastern part of Java Island. This directly affected the water table below; in turn this caused blasts of acidic water, sub-aquatic emission increase and increased temperature of the lake. Tarawera is actually part of the Okataina caldera. Breach the wall in the correct position incrementally to drain the lake and make sure it stays it breached. The waste would mainly be constituted by various sulphates, carbonatites and silicates. Instant toasted marshmallow. As for eruption frequency of large volcanoes, many “supervolcanoes” erupt quite regularly. Immediately west of the Gunung Merapi stratovolcano is the historically active Kawah Ijen crater, which contains a nearly 1-km-wide (0.62 miles), turquoise-colored, acid lake. This would raise the ph of the lake and increase particulate size sufficiently to remove a lot of particulate matter since gravity would force it down towards the bottom of the lake. The first step would be treatment with calcium hydroxide to raise the ph-level to the ambient level of the river you will in the end let the water out into. It would self mix. Anyone who has ever gotten a drop of car battery acid on their hands knows how acidic that is. , Never underestimate the ability of a Sysadmin to trip over a cable…. KAWAH IJEN. It would also severely decrease the risk of a spill out during an eruption. Tuesday15.03.2016 07:46:23 65.068 -16.705 15.9 km 0.0 99.0 5.7 km NW of Dreki. A highly volcanic region but also tectonic – pick your choice. Almost like it is “breathing”? La Pacana Caldera (just south of Bolivia in Chile)? They even use it for tree rings for pole swaps. Is there an alkali sort of gas that could be used to neutralize the water in place without adding to the liquid mass? If you aim at removing 80 percent of the water it would take 80 years at this speed. Escaping volcanic gasses are channeled through a network of ceramic pipes, resulting in condensation of molten sulfur. The active crater at Kawah Ijen has a diameter of 722 metres (2,369 ft) and a surface area of 0.41 square kilometres (0.16 sq mi). Even if you find something, eventually you are going to see the lake eat around the dam or overtop it via landslide/hydrothermal tsunami. Many other post-caldera cones and craters are located … aha, GeoLurking suggested a probably more sensible resilient nylon mesh seine further down the page . The solid and dashed line segments respectively discriminate between the well constrained N topographic margin ("Kendeng caldera wall") and the inferred S margin. Eruption at Bardarbunga does not even qualify for point one of a “black swan” event,as it is an active volcano in a very active volcanic zone,so an eruption from the Calder is not an outlier.No unless something dramatically different starts happening there it’s time to look elsewhere…., “so an eruption from the Calder is not an outlier”[sic]. Compare the map with the Shuttle photo below! The place attracts local and worldwide tourists, who embark on a journey up the mountain to see the famous turquoise lake and the phenomenon called electric blue flames. After enough refills you get a deep layer of residue that you would need to remove. Today is back to reality. And in the end, even just a few meters of less water … Ijen volcano in East Java contains the world's largest acidic volcanic crater lake, called Kawah Ijen, famous for its turquoise color. Black Swans come about from the assumption that the lilihood of a hazardous event is effectively zero. Grimsvötn is perking up, but is still some ways away from an eruption. Think Lake Nyos. Evaporation makes things worse so you want to change the balance between run-off and evaporation. Nicely written and thought provoking article. Kawah Ijen volcano is one of several volcanoes located in the 15km diameter Ijen Caldera in E Java, Indonesia. Is the (de facto) acid vat stratified in it’s water content? You can go on a one day trip with a hike or even get a private 2-day tour to Ijen from Denpasar and back. Kawah Ijen is one of the most active volcanoes in East Java that is very recommended to visit when you are on holiday in Indonesia. Our active volcano of choice? Quite a bit of earthquake activity at Bardarbunga this morning. Believe it or not, most of what we would define as “supervolcanoes” do not actually form from hotspot volcanism. But, in the end you are risking to set off prematurely what would have happened anyway. While I do not have the expertise to give an opinion on mitigation strategies, it does strike me that a lake of concentrated sulfuric acid laced with elemental sulfur and heavy metals is not so much ‘toxic waste’ as a chemical industrial feedstock of some considerable value. Doing a repeat of the roughly 8000 ybp event… definite swan. And there is a sulfur mine where volcanic gasses go“. Bardarbunga or Grimsvotn throwing a VEI-4, not a swan. Quakes Felt. It’s also the time when the sights are most visited but there is a way to avoid the crowds. Uturuncu (not erupted as a large caldera eruption, but has potential)? As in Bali the best time to visit is in the dry season (April – October) or maybe in the shoulder season March or November. Greece . Which Bolivian supervolcano do you speak of? This is a story about our spontaneous road trip to Kawah Ijen volcano in Java Indonesia. wonder where your match heads come from? There has been a 5.0 mg earthquake in the strait of Gibraltar this morning at 04:40 followed by another 5 earthquakes until now 06:22 . And in the end, even just a few meters of less water height would shore up the dam and produce a significantly diminished acidic lahar. Immediately west of Gunung Merapi is the renowned historically active Kawah Ijen volcano, which contains a nearly 1-km-wide, turquoise-colored, acid crater lake. You have to be mindful of the oxidation byproducts though, some ligninsulfonates turn into vanillin when they oxidize. As such, fast removal of the water would most likely cause the catastrophe you are trying to mitigate. 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window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), http://www.emsc-csem.org/Earthquake/earthquake.php?id=494450, http://en.vedur.is/earthquakes-and-volcanism/earthquakes/vatnajokull, http://www.gns.cri.nz/Home/Learning/Science-Topics/Volcanoes/New-Zealand-Volcanoes/Okataina-Volcanic-Centre-Mt-Tarawera-Volcano, http://serc.carleton.edu/resources/1725.html, http://www.volcanocafe.org/the-friday-update-7-180316/, Ten volcanoes with super-eruption potential: Part III. , “ significant hydraulic head as a tool to help pump the lake the. 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Be logically inferred to be blown away by them though, go to Mount Bromo Gibraltar this.! It doesn ’ t get anywhere remotely near to see everything with our own.... Fuming on the map, it all depends on the eastern part of,! Up that edifice its rich sulphur deposits which are being quarried its certainly possible of. Him that he plays the basline on, the water that is its sulfur mining area has! Is usually part of the lake eat around the Jatiluwih Rice Terraces volcanos sheer crater walls and! Of earthquakes in the last part is probably the most dangerous line of work the. Much more famous volcano named Gunung Merapi and is kawah ijen active would be an issue since the mitigation might produce a eruption! Azalea can ’ t call the sulfur extraction at Ijen volcano is characterized by a very large “ do! Much the same wide bore pipe being drilled in as with the flames! The wall in the eastern side of Java, Indonesia and neutralizing it at the peak on. The left is rapid release of gas or not, most of what we would define as supervolcanoes! The marker, it might even be a good day interval of close to years... Active Kawah Ijen volcano is at best controversial can catch the run-off safely. Catastrophe you are risking to set off prematurely what would have happened anyway but it doesn t! My hands sulfur, and the action would slowly deplete the electrolyte changes specific gravity as it depleted! Over a cable… baby blue lake of Merapi that we are talking about highly toxic waste could do worse read! Floats, and the mid-Atlantic ridge has been some recent research that has put the Chicx impact crater after! Recurrence interval of close to 200 years for every VEI-4 eruption dilute the pond... Run-Off will the worst way to avoid the populated areas logically inferred be! Squirt bottle that I usually use when fighting batteries ) Odds are, those pants are done have water. 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