The volcano erupted, raining hot ash over a wide area.

火山喷发，将炽热的火山灰洒落在一大片地域上。

《牛津词典》

Head across the salt plain to the Dallol volcano, the lowest on earth, if that's not hot enough for you.

如果你觉得不够热的话，可以穿过盐湖，到Dallol火山——世界最低的火山去看一看。

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The eruption seems to have started with the volcano spitting out lumps of rock up to 2 metres across, before releasing an enormous pyroclastic flow - a fast-moving gush of hot gas and rock.

火山似乎在释放出巨大的火山碎屑流(一种热的气体和岩石快速移动的喷流)之前，从开始吐出2米宽度的岩石块而开始爆发。

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On the Big Island, red-hot lava has been flowing from the Kilauea volcano since the early nineteen eighties.

VOA: special.2009.03.02

In traditional geothermal energy, engineers drill near a geyser, hot spring or volcano, stick a valve and turbine on the hot water, and that's pretty much it.

FORBES: Magazine Article

Or would the volcano be just as likely to blow, sending hot lava down in all directions?

NPR: 'Washington Times' Calls for Hastert to Resign