大多数火山的爆发发生在板块边界。
盾状火山的斜坡非常平缓。
你知道那座火山的名字吗?
锆石开始是熔融的岩浆,来自火山的热熔岩。
Zircon starts off as molten magma, the hot lava from volcanoes.
地球表面低重力直接导致了火星上火山的巨大高度。
The great height of Martian volcanoes is a direct consequence of the planet's low surface gravity.
火山的外层已经磨损殆尽,直到硬核层完全暴露在外。
The outer layers of the volcano were worn away, until the hardcore stood completely exposed.
实际上我要找的是关于一座在新西兰的火山的相关信息。
Actually what I am looking for is information on a volcano in New Zealand.
就在火山的灰烬之上,他要创造一个碧翠绿洲——一个“小英格兰”。
Out of the ashes of the volcano, he would create a green oasis – a "Little England".
这四个地方都有独特的熔岩通道和其他类似地球上盾状火山的流动特征。
All four show distinctive lava channels and other flow features similar to those found on shield volcanoes on Earth.
这些探测器还让科学家们认为,在木卫二的表面之下,有一个释放出火山的热量的岩石内核。
The probes have also made the scientists think that under its surface, Europa has a rocky core giving off volcanic heat.
当夏威夷群岛从大约500万年前开始以火山的形式出现在海面上时,它们远离其他陆地板块。
When the Hawaiian Islands emerged from the sea as volcanoes, starting about five million years ago, they were far removed from other landmasses.
但不管你信不信,意大利埃特纳火山的周边地区挤满了人。
But believe it or not, the area surrounding Mount Etna in Italy is packed with people.
魔鬼塔是过去的遗迹,当时地核的熔岩涌向地表,形成了火山的咽喉。
Devils Tower is a relic of the past, when the molten rock of the earth's core forced its way to the surface to form the throat of a volcano.
随着熔岩流动和扩散从而形成盾状火山,这座火山的最终高度取决于这座新火山支撑自身重量的能力。
As lava flows and spreads to form a shield volcano, the volcano's eventual height depends on the new mountain's ability to support its own weight.
几个世纪以来,这座火山约有200次爆发的记录,但与其他火山相比,这座火山的爆发程度迄今为止都相当轻,造成的死亡和破坏较少。
Some two hundred eruptions have been recorded down through the centuries, but compared with other volcanoes, most of its eruptions have so far been fairly light in terms of death and destruction.
迈尔·斯泰恩说,港口是火山的一个喷口。
你猜得透火山的缄默?
史密森全球火山机构是怎样跟踪观察冰岛火山的呢?
How is Smithsonian's Global Volcanism Program keeping track of the Icelandic volcano?
最近火山的爆发提醒了我们:冰岛仍然是个正在形成的国家。
Recent volcanic eruptions remind us that Iceland is still a country in the making, with changed landscapes that even Icelanders continue to discover.
统治岛屿的美丽女子是火山的火女神,名叫彤达拉雅。
The island was ruled by a beautiful woman called Tondalaya, the Fire Goddess of the Volcano.
就像雷预示着闪电的出现一样,地震通常会预示着火山的爆发。
Just as thunder precedes lightning, earthquakes often foretell volcanic activity.
火山的热量将驱动化学反应,同时也能引起大量的蒸发。
Volcanic heat would drive the chemical reactions, as well as causing lots of evaporation.
到目前为止,也还没有哪门科学可以精确预测断层和火山的活动规律。
There is not yet even a science for predicting when faults and volcanoes will let loose.
来自冰岛一座喷发火山的火山灰已经开始扰乱英国空中交通。
Ash from a volcanic eruption in Iceland has begun disrupting air traffic in Britain.
大约32万人被迫离开他们的家搬到火山的斜坡上或者到邻村。
About 320,000 people have been forced from their homes on2 the lower slopes of the volcano and in the surrounding countryside.
在火山的外壳下面发现有微生物,它们可能为生命起源研究提供一些线索。
And below the crust in these volcanic parts micro-organisms have been discovered that may offer clues to the origins of life.
然而,联系地震和火山的地理链条反应发生在我们看不见的地底深处。
Likewise, the geological chain reaction linking earthquakes and volcanoes takes place deep in the ground where it can’t be seen.
特德斯科认为,这座火山的再度喷发是毫无疑问的,它有可能将戈马变为现代庞贝。
According to Tedesco, there is no question the volcano will erupt again, potentially transforming Goma into a modern Pompeii.
特德斯科认为,这座火山的再度喷发是毫无疑问的,它有可能将戈马变为现代庞贝。
According to Tedesco, there is no question the volcano will erupt again, potentially transforming Goma into a modern Pompeii.
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