For a volcano to "wake up," this mush needs to be thoroughly heated by fresh, hot magma rising up from the deep Earth.

一个火山如果苏醒，这些熔浆需要得到从地球深处上涌的新鲜炽热的岩浆的彻底加热。

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As an indicator of information come from the deep earth, radon measurement was applied widely in the active fault investigation.

氡作为深部信息的指示元素，在活断层调查中广泛使用。

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There are those which sit over isolated 'hotspots' of upwelling magma from deep in the earth, like the volcanoes of Hawaii.

有那些座落于有不断从地底深处上涌岩浆的单独“热点” 之上的火山，就像夏威夷的火山一样。

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At the same time, hot liquid rock from deep in the Earth pushed to the surface.

VOA: special.2009.01.07

They said hot melted material flows up from deep inside the Earth through the split.

VOA: special.2010.01.12

They are home to the strangest ecosystems known, in which organisms get by without sunlight, using as an alternative source of energy the sulphurous gases spewed from deep inside the earth.

ECONOMIST: 20,000 leagues under the sea

Eyjafjallajokull, in Iceland, which erupted in April, stopping commercial flights over the Atlantic and Europe for a week, is at a junction where the plates are growing and moving apart, as magma wells up from deep in the Earth.

ECONOMIST: A capricious volcano, but fears ease of another Pompeii

On Earth, sea-floor spreading is fuelled by molten rock upwelling from deep inside the Earth.

BBC: Enceladus has 'spreading surface'