标题: Massive Lava Dome Lurking Underneath Japan [打印本页] 作者: Zeddicuz 时间: 2018-02-12 21:10 标题: Massive Lava Dome Lurking Underneath Japan [br]
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[br][br][br]An ancient underwater volcano responsible for one of the largest known super-eruptions in history looks to be busy making silent, fiery preparations for its inevitable return.[br][br]The Kikai Caldera, located to the south of Japan's main islands, devastated a large swathe of the Japanese archipelago when it spewed upwards of 500 cubic kilometres (120 cubic miles) of magma during the Akahoya eruption some 7,000 years ago – and scientists have just confirmed evidence of new volcanic activity under the crater.[br][br]Researchers at Kobe University have detected a giant lava dome that exists below the Kikai Caldera, holding a volume of more than 32 cubic kilometres (almost 8 cubic miles) of trapped magma – a buildup that could reveal clues as to when Kikai's next super-eruption may be unleashed.[br][br]According to Tatsumi's previous research, given Japan's level of active volcanism, there is about a 1 percent chance of a "catastrophic" caldera eruption occurring within the Japanese archipelago sometime during the next 100 years – an event that could endanger or disrupt as many as 110 million people.
作者: razen555 时间: 2018-02-12 22:24
i wonder what happens next作者: Zeddicuz 时间: 2018-02-13 15:35