MAP: Indonesia, the world's volcanic hotspot

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Mount Agung belched smoke as high as 1,500 metres above its summit, sparking an exodus from settlements near the mountain.

JAKARTA - Indonesia, where more than 40,000 people have been evacuated over fears of an imminent volcanic eruption at Mount Agung on Bali, is the world&39;s most volcanic area.

The Southeast Asian archipelago of more than 17,000 islands and islets -- and nearly 130 active volcanoes -- is situated on the Pacific "Ring of Fire", a vast zone of geological instability where the collision of tectonic plates causes frequent quakes and major volcanic activity.

Here are some of the country&39;s most deadly eruptions: