A Giant Volcano Could End Human Life on Earth as We Know It

超级火山，人类灭绝的最大威胁？

If you're planning to visit Yellowstone National Park this Labor Day weekend, I have good news: It is very, very, very unlikely that the supervolcano beneath it will erupt while you're there.

如果你打算在这个劳动节周末去黄石国家公园，我有个好消息：你在公园期间，公园下面的超级火山喷发的可能性非常非常小。

The Yellowstone supervolcano — an 8 out of 8 on the Volcanic Explosivity Index — has erupted three times over the past 2.1 million years, most recently 640,000 years ago. A Yellowstone eruption would be like nothing humanity has ever experienced.

黄石超级火山在过去210万年里喷发过三次，最近一次是在64万年前。人类历史上还没有经历过黄石火山喷发。

First would come increasingly intense earthquakes, a sign that magma beneath Yellowstone was rushing toward the surface. Then magma would burst through the ground in a titanic eruption, discharging the toxic innards of the earth to the air. It would continue for days, burying Yellowstone in lava within a 40-mile radius.

首先是越来越强烈的地震，表明黄石公园地下的岩浆正向地表涌去。然后，岩浆会在巨大的喷发中冲破地面，将有毒的地球内部物质排放到空气中。这将持续数天，将黄石公园埋在40英里半径内的熔岩中。

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