Experts warn dangerous build-up of magma occurring at many of Japan’s 110 active volcanoes 3, 2012 JAPANJapan should brace for a catastrophic volcanic eruption at some point, say experts, citing a massive buildup of magma at many of the nation’s 110 active volcanoes. The last particularly serious eruption in Japan occurred in 1914, when Mount Sakurajima in southern Kagoshima Prefecture blew its top. According to study by volcanologists, Japan, which lies on the Pacific Rim of Fire, has been shaken by more than 1,000 volcanic eruptions over the past 2,000 years. “The possibility of a major eruption in the future is real,” said Yoichi Nakamura, a professor of volcanology at Utsunomiya University who has been analyzing volcanic eruptions with a team of researchers. To be classified as active, a volcano must have erupted within the past 10,000 years or still be spewing gases, according to the Japan Meteorological Agency. The active volcanoes include sites in the disputed Northern Territories off northeastern Hokkaido, as well as undersea volcanoes. Of the 110 active volcanoes, the agency monitors activity of the 47 around the clock to detect signs of an imminent eruption. When offshore Mount Sakurajima erupted, it spewed out so much lava that it created a land bridge with the Osumi Peninsula. Volcanic ash even fell on eastern Japan. The researchers said seismic activity surged at 20 active volcanoes around Japan, including Mount Fuji, after the magnitude-9.0 Great East Japan Earthquake struck last year. It was one of the most powerful earthquakes on record. It struck with such force that the Japanese land mass shifted. Over the past century, volcanic eruptions around the world were apparently triggered by magnitude-9.0 or stronger earthquakes that struck several years earlier. Nakamura also is involved with the nonprofit Vocanological Society of Japan. He said the study was intended to help local officials prepare for a contingency resulting from a major eruption by assessing the risks posed by volcanoes around the country. Particularly worrisome, he said, was a lack of data pointing to a reduction in magma. In the absence of a really huge eruption for a century suggested there was a massive buildup of magma, which at some point will inevitably spew from a volcano with tremendous force. According to the study, 1,162 eruptions have occurred in Japan over the past 2,000 years. Of these, 52 were major events that spewed a massive volume of ash and lava over a short period. It amounts to a large-scale eruption occurring every 38 years. Records show that three volcanic eruptions in the 17th century, including one at Mount Hokkaido-Komagadake in Hokkaido in 1640, spewed out the equivalent of 1 billion cubic meters of ash and lava. Two similar eruptions occurred in the 18th century, one of which involved Mount Fuji in 1707. The study showed that relatively large eruptions occurred 124 times. There were 562 instances of medium-scale eruptions, or one every 3.6 years. These included the eruption of Mount Unzen-Fugendake in Nagasaki Prefecture in 1991 and the eruption of Mount Usuzan in Hokkaido in 2000. Of the 1,162 eruptions, the 47 volcanoes consistently monitored by the Japan Meteorological Agency represent nearly 90 percent of the activity, or 1,012 of those events. Mount Aso in Kumamoto Prefecture is the most active volcano with 167 recorded eruptions, followed by Mount Asama straddling Nagano and Gunma prefectures, at 124; Mount Sakurajima, at 91; Mount Izu-Oshima in Tokyo, at 77; and Mount Kirishima straddling Kagoshima and Miyazaki prefectures, at 70. Mount Fuji has erupted 38 times. –AJW
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11 Responses to Experts warn dangerous build-up of magma occurring at many of Japan’s 110 active volcanoes

  1. Sam Beckett says:

    I have an unshakeable feeling that between tomorrow, Monday Dec, 3rd 2012 & Friday, Dec, 21st 2012 that Mt. Fuji will erupt & very possibly a large part of Japan will be lost to the sea. I have that 6th feeling that everybody gets once in a great while, that you know something bad is going to happen, not a general sense but specific..a deep down to your bones sense that it will happen.


    • John says:

      You are not the only one with that feeling. However, I am afraid that the next big round of destruction will not be isolated to just Japan. It will be at numerous locations around the planet.


    • Jack Reylan says:

      This is the Japanese “quality” our Trotskyite professors tried to foist on us with Toyota accelerators?


      • onthemark55 says:

        Toyota accelerators have/had nothing to do with the Japanese or professors. The vehicle’s were accelerating due to software glitches in their “brains”. These problems are common in the automotive industry and are “swept under the rug” as part of Corporate greed!. Formatting is changed every couple of years due to redesign/new features and the few problem vehicles will be off the road in a few years, PROBLEM SOLVED! Manufacturer’s do a little song and dance, i.e, nothin’gs wrong, were working on it, the owner is lying, we’re working on it, IT’S THE FLOOR MAT, bring it into the dealer and we’ll check (nothing) out during your $900.00 (due every 30k miles) service. Quality and safety are sacrificed for profits.


    • Angelsong says:

      I have been feeling an urgency as well, a heaviness for the people there. May God bless his children during this time ❤


  2. Jeff Clark says:

    I guess Al Gore and his global warming friends will blame this on my old Buick !


  3. skywalker says:

    it is possible that there could be 2 giant eruptions , back to back in japan, and that all the irradiated land from the fukashima disaster will be covered over with ash / magma , making the place safer in the long run, plutonium has a half life of 24,000 years………and Japanese authorities are trying to pretend that there is no real threat from this contamination ?
    maybe it would be better for the rest of humanity and all life on earth ,that the contaminated half of japan does disappear under the sea / magma flow / ash-fall .


  4. Jereme Sager says:

    man, haven’t these people of japan seen and had enough ?


  5. Wes says:

    This has nothing to do with Japan but my wife noticed on line that there are a few job openings at Yellow stone Park, I wonder why? So if you need a job then there you go, you might have a front row seat should it explode.


    • Irene C says:

      When I read this, I had to think about the character on the movie 2012 who stayed behind to watch the explosion. I guess if you gotta go, might as well have a front row seat.


  6. Irene C says:

    Those poor people in Japan, having had a major earthquake, tsunami, radiation, and now this probability. That’s a lot of disaster for one little country.

    There was a M5.5 34km SSE of Ocos, Guatemala. Also there’s a super typhoon currently hitting the Philippines.


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