它的确频繁喷发，但这些爆发通常都是小规模的。
It does erupt frequently, but those eruptions are usually minor.
这些爆发与我们在地球上火山喷发时看到的相似。
These bursts are similar to what we see when volcanoes erupt on Earth.
卡特拉似乎是半规律地喷发的，典型的周期是每次爆发之间相隔30到80年。
Katla seems to erupt on a semi-regular basis, with typical periods between eruptions of between 30 and 80 years.
因为现在认为火山爆发是不可投保的风险，所以有关火山喷发的研究甚少。
As volcano eruption is deemed to be an uninsurable risk, there are few studies to turn to.
一百万年前，熔化的岩浆在海波之上爆发性喷发出来。
A million years ago, molten magma explosively burst above the waves.
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）。
One of the most famous eruptions in history, of the volcano Krakatoa, occurred in the Sunda Strait between the two islands.
列入关注的理由：默拉皮火山属于普林尼式喷发，大约每千年大规模爆发一次（喷涌而出的岩浆总量可达1立方千米，漫天飞扬的火山灰足有20至50千米高）。
Reasons to worry: Merapi is capable of producing a Plinian eruption (spewing at least 1 cubic kilometer of magma and producing 20 to 50 kilometer-high ash columns)every 1,000 years or so.
炽热的火山灰和火山渣从爆发的火山纷纷喷发落下。
这座火山喷发的历史记录要追溯到1570年，而近年来最巨破坏性的一次爆发则发生在1985年。
The historical record of eruptions at the volcano extends back to 1570, but the most damaging eruption in recent times took place in 1985.
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。
That said, Katla does seem to erupt on a semi-regular basis, with typical periods between eruptions of between 30 and 80 years.
相反地，他们说，烟雾的来源可能是大型火山喷发，比如那些在印度南部高原德干地区的火山爆发，它们的爆发在历史上时间点也刚刚好。
Rather, they say, the source might have been massive volcanoes, like the ones that blew in the Deccan Traps in what is now India at just the right point in history.
最近一次大规模喷发：2002年火山爆发产生的高速岩浆流至今还在流淌。
Last major eruption: an eruption in 2002 produced fast-moving lava flows and is still going today.
他们比较了取自火山爆发期次的喷发早期的火山灰和取自典型火山喷发的喷发后期的火山灰。
They compared ash that was ejected in the early, explosive phase of the eruption with ash from a later, more typical eruption of the volcano.
冰岛火山会改变气候？这周冰岛的火山爆发喷发出大量的羽状物给欧洲带来了红艳的落日，还给天空蒙上阴影。
The vast plume of material spewing from this week's eruption of an Icelandic volcano is reddening sunsets and clouding skies across Europe.
不过，NASA研究太阳的科学家认为以这次日冕爆发的速度和特征，表明它是一个非典型的日冕物质喷发。
Nonetheless, NASA solar scientists agree that its speed and characteristics suggest that it was indeed a non-typical coronal mass ejection.
大得能影响全球农业的火山爆发比日冕大喷发的发生几率还小100倍。灾难性的小行星碰撞则更罕见了。
Volcanoes that change climate enough to affect agriculture round the world are perhaps 100 times rarer than that, and cataclysmic asteroids rarer still.
周六早上，瓦格纳冰川公园内的格里姆火山爆发，喷发出来的火山灰高度达20公里(12英尺)，现在，虽然火山仍然在喷发，但是强度已经减弱，火山灰的高度已经降为13公里(8英尺)。
The Grimsvotn volcano in Vatnajokull National Park began erupting on Saturday with ash rising to 20km (12 miles) but, although still active, is now not as powerful with a plume of 13km (8 miles).
自从1550年以来，乌比纳斯火山除了经常喷发火山灰外，还爆发了多次。
Apart from venting ash frequently, Ubinas has erupted many times since 1550.
这些灰云是埃亚·菲亚·德拉冰川上的火山3月20号爆发所产生的，这是从1821年以来这座火山的第一次喷发。
The dust cloud is a result of a volcanic eruption at the Eyjafjallajoekull glacier which erupted on March 20, for the first time since 1821.
说如果Hufford仍持续的间断喷发的话，那么就值得我们担忧了。他称，火山爆发影响天气的关键因素是火山爆发期间和喷发到大气中的火山灰的高度。
What's key in having volcanic eruptions affect the weather is both the duration of the eruption, and how high the ash gets blasted into the stratosphere, according to Hufford.
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。
An eight-point scale called the "volcanic explosivity index" (VEI) allows you to compare eruptions and volcanoes.
虽然4月19日的火山灰喷发有所减少，但是冰岛艾雅法拉火山的爆发仍然持续着。
Although ash emissions had slowed by April 19, the eruption of Iceland's eyjafjallajokull Volcano continued.
科学家们认为，50多万年前的火山爆发为恐龙统治地球铺平了道路，因为喷发出的熔岩和有毒气体消灭了它们的竞争对手。
Volcanoes that spewed out lava and noxious gases for more than half a million years paved the way for dinosaurs to rule the Earth by wiping out their competitors, scientists say.
“无论如何，这次新爆发至少从Pu'u 'o ' o喷发的最高点那里偷到了一些熔岩供应”，埃切尔·伯格说。
"In any case, the new outbreak has robbed Pu 'u 'o 'o of at least some of its lava supply from the summit," Eichelberger said.
四月份冰岛的一个名叫Katla的鲜为人知的火山从无人问津一跃成为热门，赔率在7/4，一般会在与其毗邻的火山Eyjafjallajokull爆发之后喷发。
In April a hitherto obscure Icelandic mountain called Katla leapt from nowhere to favourite, with odds of 7/4, following the eruption of its previously less-active neighbour, Eyjafjallajokull.
火山喷发前兆，包括在实际爆发强震群和快速地面变形，通常发生几天到几周。
Precursors to volcanic eruptions include strong earthquake swarms and rapid ground deformation and typically take place days to weeks before an actual eruption.
在这里的所谓奥努伊（Oruanui）喷发是最近的得分最高的火山事件，是10分的火山爆发指数（VEI）中得了8分，比坦博拉火山爆发要大些，比喀拉喀托火山爆发大100倍。
The so-called Oruanui eruption was the most recent volcanic event to score the maximum 8 on the VEI – 10 times bigger than Tambora, and 100 times bigger than Krakatoa.
一次愤怒或泪水的爆发像一次间歇泉的喷发，减少了内部压力，这样瘾君子可以正常行为，直到压力再一次积累变大。
An explosion of anger or tears, like a geyser eruption, lessens internal pressure so that the addict can function until the pressure builds up again.
从喷发的血液中清除出的毒怨足以荼毒整个世界，它正从我们生命的活火山中源源不断地爆发出来。
The venom drawn out from suffering would be enough to poison the whole world in a bloody eruption, bursting out of the volcano of our being.
从喷发的血液中清除出的毒怨足以荼毒整个世界，它正从我们生命的活火山中源源不断地爆发出来。
The venom drawn out from suffering would be enough to poison the whole world in a bloody eruption, bursting out of the volcano of our being.
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