It looks as if some boulders sit atop layers of ash spewed out by known eruptions of Mount Etna, meaning they fell after Troy did.

看起来好像一些砾石还位于一层灰上，这是著名的埃特纳山爆发时产生的，这些砾石是在特洛伊城陷落之后才落下的。

属类：英汉句库-www.ecocn.org-

Scientists estimate that more than 260, 000 people have died in the past 300 years from volcanic eruptions and their aftermath.

科学家估计，在过去300年间，由于火山喷发及其次生灾害死亡的人数超过26万。

属类：英汉句库-article.yeeyan.org-

Scientists are still uncertain as to why lightning occurs during some eruptions .

科学家尚不能确定火山喷发时闪电的形成原因。

属类：英汉句库-article.yeeyan.org-

During its lifetime, the megavolcano has probably experienced more than a dozen giant eruptions , Lay says.

雷指出，超级火山在它的一生中可能经历了不下十几次的巨大喷发。

属类：英汉句库-article.yeeyan.org-

Offshore, a phytoplankton bloom forms a bright green swirl in the ocean water, proof of the productivity that triggers the deadly eruptions .

离岸远些，茂盛的浮游生物在海水中形成碧绿色的涡状形，这就是海洋生物生产力触发致命喷发的证据。

属类：英汉句库-article.yeeyan.org-

One of the most famous eruptions in history, of the volcano Krakatoa, occurred in the Sunda Strait between the two islands.

历史上一次最有名的火山喷发——喀拉喀托（Krakatoa）火山爆发，就发生在这两个群岛之间的巽他海峡（SundaStrait）。

属类：英汉句库-article.yeeyan.org-

Created from volcanic eruptions two million years ago, South Korea's Jeju Island is a goldmine for nature and history buffs.

两百万年前火山爆发形成的韩国济州岛是自然和历史的金矿。

属类：英汉句库-www.ebigear.com-

That said, Katla does seem to erupt on a semi-regular basis, with typical periods between eruptions of between 30 and 80 years.

那就是说，卡特拉正是在一个半正规的基础上喷发的，典型的周期是每次爆发之间相隔30到80年。

属类：英汉句库-www.ecocn.org-

An eight-point scale called the "volcanic explosivity index" (VEI) allows you to compare eruptions and volcanoes.

你可以通过“火山爆发指数”（VEI）来比较喷发和火山，它把火山爆发分为8个等级。

属类：英汉句库-article.yeeyan.org-

Climate change, earthquakes and volcanic eruptions result from stresses on the Earth's crust during the shift.

气候变化、地震和火山喷发都是地壳在运动时产生的内力所造成的。

属类：英汉句库-article.yeeyan.org-

However, some volcanic eruptions happen far from these crash sites.

然而某些火山喷发在离开这些碰撞很远的地方。

属类：英汉句库-article.yeeyan.org-

But those artifacts could be from volcanic eruptions or natural fires.

然而这些痕迹也可能是火山爆发或自然火造成的。

属类：英汉句库-article.yeeyan.org-

Favorite hypotheses include an asteroid impact, massive volcanic eruptions in Siberia, and toxic oceans.

人们所热衷的假设包括小行星碰撞，西伯利亚大规模的火山爆发以及海洋毒化等现象。

属类：英汉句库-article.yeeyan.org-

"The volcano is still in eruption phase. We can't predict whether the activity will slow down or if there will more eruptions , " he added.

他补充说：“火山仍在喷发阶段，我们无法预测火山活动何时能缓和下来，或许还将继续喷发。”

属类：英汉句库-article.yeeyan.org-

In fact he says he has had had fewer mishaps chasing eruptions than when mountain climbing.

他说，实际上，追逐火山时事故概率要远小于登山。

属类：英汉句库-article.yeeyan.org-

Its steep slopes are composed of many layers of hardened lava left from previous eruptions .

它陡峭的斜坡是由以前火山喷发时形成的硬化了熔岩组成。

属类：英汉句库-article.yeeyan.org-

Columnar basalt near Tower Falls; large floods of basalt and other lava types preceded mega-eruptions of superheated ash and pumice

塔尔瀑布附近的柱状玄武岩；过热的火山灰和浮岩的大喷发之前的大量玄武岩和其它熔岩

属类：英汉句库-article.yeeyan.org-

Along with overloading power lines and disrupting satellite communications, the eruptions can endanger astronauts on spacewalks.

太阳爆发处了会让电线超负载，中断卫星通讯，还会危机到正在进行太空行走的宇航员。

属类：中国大陆-bbs.chinadaily.com.cn-

It is one of only four bodies in the solar system where active eruptions have been seen.

土卫二是第四颗被证实存在火山活动的太阳系天体。

属类：英汉句库-article.yeeyan.org-

The country's most active volcano, Mount Merapi in central Java, killed more than 350 people in a series of violent eruptions last year.

位于爪哇中心的默拉皮火山是印尼最活跃的火山，在去年一系列的剧烈爆发中有超过350人丧生。

属类：英汉句库-article.yeeyan.org-

We found the first evidence that one of the main phases of the Deccan eruptions was possibly related to or caused the mass extinction.

我们发现的第一个证据，那就是主要时期之一的德干高原火山爆发可能造成了大规模的恐龙的灭亡或与之有关。

属类：英汉句库-www.hjenglish.com-

Catch a glimpse of some spectacular images of underwater volcano eruptions in different parts of the world below:

下面来看看世界各地海底火山喷发的壮观景象。

属类：英汉句库-article.yeeyan.org-

For starters, there were a series of truly enormous volcanic eruptions in what is now western India around the same time.

先是发现在现在的印度西部曾经几乎同时发生过一系列的火山喷发。

属类：英汉句库-article.yeeyan.org-

Many had returned to their homes to check on them as well as their farm animals after eruptions last week.

许多人返回自己的家园，检查火山爆发后的人们和他们的家畜。

属类：英汉句库-article.yeeyan.org-

Previous eruptions of Eyjafjallajokull seem to have acted as harbingers of a subsequent Katla eruptions.

亚菲亚德拉火山先前喷发似乎预示着随后Katla火山的喷发。

属类：英汉句库-www.ecocn.org-

It also refined the timing of geochemical changes, which may hold clues to exactly how the eruptions trigged the biggest extinction.

研究也有助于完善地质化学变化的时间确定，它能为我们提供线索，到底火山爆发是如何导致了最大的物种灭绝。

属类：英汉句库-article.yeeyan.org-

Multiple ash layers suggest that eruptions killed countless animals from time to time.

一层又一层的火山灰预示着火山爆发不时带走无数动物的生命。

属类：英汉句库-article.yeeyan.org-

enlargeA deep-sea volcano spews lava. Research shows lava from such eruptions end up baking ocean sediment and releasing greenhouse gases.

一个深海火山喷发出熔岩，研究表明来自火山灰的熔岩烘烤海洋沉积物同时会释放温室气体。

属类：英汉句库-article.yeeyan.org-

Some of Io's eruptions are violent enough to hurl giant plumes of gas and dust 500 kilometres into space.

伊奥的有些火山喷发激烈到甚至足以将大量气体和火山灰推到500公里开外的太空中。

属类：英汉句库-article.yeeyan.org-

Massive eruptions can cool the global average surface temperature by several degrees for several years.

因此大规模的喷发能降低全球表面平均温度数度，时间持续数年。

属类：英汉句库-article.yeeyan.org-