A violent eruption can blow the top few kilometers off a mountain, scatter fine ash practically all over the globe and hurl rock fragments into the stratosphere to darken the skies a continent away.

强烈的火山喷发可以把几千米的山顶喷开，把灰尘颗粒抛向世界各地，把碎石抛向平流层，使得另一个大陆的天空一片黑暗。