You've heard of "red hot" and "white hot" to describe searing temperatures. But what about "blue hot"? 

That's the surreal hue of Indonesia's Kawah Ijen Volcano, which glows with an otherworldly "blue lava" at night. The mountain contains large amounts of pure sulfur, which emits an icy violet color as it burns, turning the rocky slopes into a hot (at least 239 degrees Fahrenheit), highly toxic environment. Despite the dangers, photographer Olivier Grunewald captured the scene, along with a group of men who toil on the volcano at night, battling noxious gases to mine sulfur from the crater and carry it out by hand. Miners carry between 176 and 220 pounds of sulfur chunks per trip and sell the pieces for around 2.5 cents per pound. Yahoo reports they average two loads every 24 hours, thereby doubling their salaries amid sulfurous flames that can reach 16 feet high.

Watch the Blue Lava Flows From Kawah Ijen (Video)

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amau silva said... June 11, 2014 at 7:29 AM

wow amazing and beautifull fenomena...

^o^CORVUS^o^ said... June 12, 2014 at 9:35 PM

As my daughter said, "More like MAGMAfique!" 8)

Daniel Hagyard said... June 19, 2015 at 7:38 PM

Beautiful yet deadly

Ananya Chakraborty said... June 24, 2015 at 5:40 PM

Amazingly awesome ....... but toxic-ally poisonous

mohammad hisyam adnan said... September 28, 2015 at 12:16 PM

Really amazing guys, You all should capture it at night.

Alan said... August 16, 2016 at 7:22 AM

Mt. Pinatubo produced more greenhouse gasses than all of mankind since the dawn of the industrial revolution & Libtards think replacing coal power plants with mid air bird fryers will save the Earth...

Billzilla said... August 16, 2016 at 7:55 PM

Leave it to anti-science dumbshit conservative-baggers who worship such brilliant rightie icons as Palin, Trump, Hannity, Limbaugh, Beck and the myriad other clown-car freaks to remind us that some people can't let any comment section go without shilling for corporate power, deregulation, privatization and regressive idiocracy blather.

Damien said... August 17, 2016 at 2:54 AM

You covered it completely. Thanks for saving me the time. The are all a bunch of fucking derelicts for sure.