It sent a thick cloud of ash several miles into the air.

发浓厚烟雾冲上几英里以上高空。

It erupted three times on Saturday alone and more on Sunday.

在周六它发了三次，周日发次数更多。

The most destructive volcanic eruption ever witnessed occurred in Indonesia in 1815.

1815年，印度尼西亚遭遇了有史以来最具破坏性山发。

The ancient oceans were steamed out of the interior by erupting volcanoes.

古代海洋是由山发而形成。

The combined power of a million volcanic eruptions on Earth.

相当于地球上100山同时发时发量。

If Yellowstone's volcano erupted, it would be catastrophic.

如果黄石公园山发，这将是灾难性毁灭。

Volcanologists said powerful eruptions were catapulting burning rocks as high as 1,000m above the crater.

山专家称山口发强大熔岩，高达1000米。

Scientists think that some of them were started by asteroid impacts or volcanic eruptions.

科学家认为其中一些是由小行星撞击或山发引起。

New Zealand's on the Pacific Ring of Fire, a belt of eruptions and earthquakes.

新西兰位于环太平洋山带上——山发和地震地带。

This is a warning sign for an imminent eruption.

这是即将发一个预兆。冷却岩浆壳让内部液体压力增大。

Experts say eruptions like this are common in Indonesia.

专家称，像这样山发在印尼很常见。

A violent eruption sending steam, ash and rock roughly 15 kilometers into the sky.

剧烈山发，将蒸汽，山灰还有岩石带到了15Km高空中。

When you first think about a volcano, you think of lava, danger and life-threatening eruptions.

当你想到山时，你首先想到是熔岩、危险和危及生命物质发。

After all, the islands were formed as a result of volcanic eruptions.

毕竟，这些岛屿是山发结果。

That was certainly the case in 1949, as soil-sampling showed.

正如土壤采样所示，1949年山发确实释放了汞元素。

That was not surprising, given that this tissue would have formed soon after the eruption.

这并不人意料，因为该组织是在山发不久后形成。

Another type of solar eruption is called a coronal mass ejection, or CME.

另一种类型太阳发被称为日冕物质抛射，或 CME。

Bolts of lightning can shoot out of an erupting volcano.

闪电可以从发山中射。

They're formed from eroding lava and basalt rocks that come from volcanic eruptions.

它们是由山发侵蚀熔岩和玄武岩形成。

The geysers were erupting from the ice-covered ocean beneath the surface of Enceladus.

间歇泉是从土卫二表面下被冰覆盖海洋发来。