Pack ice around Iceland was becoming a threat to navigation.

冰岛周围的浮冰一度成为船舶航行的威胁。

《柯林斯英汉双解大词典》

Iceland has ice, but not so much ice as Greenland.

冰岛有冰，但冰不如格陵兰岛多。

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The Grimsvotn volcano lies beneath the ice of the uninhabited Vatnajokull glacier in south-east Iceland. The latest eruption is its most powerful eruption in 100 years.

格里姆火山位于冰岛的东南部，无人居住的瓦特纳冰川下。上次爆发差不多是他100年中最厉害的一次。

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The eruption began March 20 beneath the Eyjafjallajokull glacier in southern Iceland, blowing a hole in the ice.

CNN: Air travel paralyzed as volcanic ash cloud lingers

Parked directly on top of the mountain is a vast Ice Age glacier that Jules Verne, who never visited Iceland, neglected to mention in his novel.

BBC: An Icelandic journey to the centre of the earth