Brian: no. I'm a volcanologist.

布莱恩：不会呀，我是个火山学家。

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The fineness of the ash in this case is unusual, says Thorvaldur Thordarson, an Icelandic volcanologist.

冰岛的火山学家托瓦杜？托达森表示，这次岛山冰川产生的火山灰的细腻程度是十分不寻常的。

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"It's very common for the two to be linked," said Jonathan Snow, a volcanologist at the University of Houston.

“把这两者联系起来也是很平常的。”休斯敦大学的一位火山学家乔纳森·斯诺这样说。

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The fineness of the ash in this case is unusual, says Thorvaldur Thordarson, an Icelandic volcanologist.

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On the northern side of the volcano, participants can watch lava spew out of the Earth from a tented camping site 1.5 kilometers away, which has been deemed safe by a volcanologist.

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Volcanologist Sonia Calvari, of the Institute of Geophysics and Volcanology in Catania (INGV-CT), said rapid advances in technology enable experts to use a wide range of methods to continually map and monitor Etna from a distance.

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