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。

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Tengchong is a famous active area of the modern volcano, where the hydrothermal activity is very violent.

腾冲不但是现代火山活动区，也是地热异常区，这里温泉、热泉及喷气孔到处可见。

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Right now, their profile is of a wildly erratic volcano that can be mild, or violent prolific in its eruptions, or passive for centuries.

现在，它是无规律可循的火山，在喷发时可能很温和，也可能很剧烈，甚至也可能沉睡数个世纪。

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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.

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