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Here is what they now generally expect from an event the scale of those that struck Long Valley and Yellowstone: Instead of a slow leak of red-hot lava as is seen creeping down the sides of Kilauea Volcano in Hawaii, these eruptions feature supersonic bla |
中文意思: 对于造成长谷与黄石公园的那些爆发,或是相同等级的现象,目前他们普遍的看法是:这些爆发不像夏威夷奇劳亚火山缓慢渗出的红热岩浆、沿著火山侧蜿蜒流出;它们的特色是以超音速的冲击波,喷出极热、泡沫般的气体与火山灰,这些物质极易进入地球大气的平流层,上升到50公里的高处。 |
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