When volcanoes are dangerous?

When volcanoes are dangerous?

We can call a volcano dangerous only when it causes damage to human life. For instance, if a volcano erupts on the almost uninhabited East-Asian peninsula of kamchatka, it is hardly reported in the news. But if a volcano starts spewing hot gases and ash in  a densely populated area, many lives are at risk. Explosive volcanuc eruptions discharge huge quantities of dust and ash, often burying neighbouring areas.

Volcano gases

Thin, dark magma can flow at a fast speed of upto 100 km/h making it impossible to escape. Volcanic eruptions can also have far-reaching consequences. When the Indonesian volcano Krakatau erupted in 1883, the volcanic ash reached up to a height of 80 km, which for some time darkened the sky world wide

Do you know

Magma is called lava once it comes out on the surface

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