Why Do Glaciers Make Such a Loud Noise?

Glaciers make loud noises because they're moving and breaking apart. Imagine you have a giant block of ice, and it's slowly sliding over rocks and dirt underneath, sometimes the ice cracks or breaks off, which makes thunderous sounds that can be heard miles away.

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Examples

A glacier rumbles loudly as a piece of ice breaks off into a lake
The ice cracks under pressure like breaking a big plate
You hear a deep rumble when the glacier slips over rocks

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Categories: Environment · glacier· ice movement· natural sound· geology· environmental science