Since most violent events on Earth occur randomly, nobody can predict when or where they will happen.

由于地球上大多数的暴力事件都是随机发生的，没有人能预测它们将在何时何地发生。

youdao

Until recently, nobody realized that Earth is exposed to unpredictable violent impacts from space.

直到最近也没有人意识到，地球正受到来自太空的不可预测的猛烈撞击。

youdao

Earth is a target in a cosmic shooting gallery, subject to random violent events that were unsuspected a few decades ago.

地球是“宇宙射击场”中的一个靶子，容易随机遭遇各种猛烈的撞击事件，这在数十年前从未受到过怀疑。

youdao

This forces apart pieces of the Earth's surface in a violent earthquake.

VOA: special.2011.01.04

Startling new images from the depths of the Pacific Ocean reveal one of Earth's most violent processes: the destruction of massive underwater mountains.

BBC: Undersea mountains march into the abyss

Such data provides the high resolution details from which we can see how the Earth's structures have formed, measures the exact size and shape of the volcano and provides a vital snapshot of the Earth's active and sometimes violent volcanic system in action.

BBC: Inside the hottest place on Earth

During an eclipse scientist are able to measure the effect of the sun on the Earth's atmosphere and observe the violent magnetic storms in outer atmosphere of the sun - the corona.

BBC: 11 August