Changes in ash composition can give us important clues about the activity of volcanoes. The thickness of the deposit and type of ash also provides information about the size and style of an eruption. It is also important to ensure the ash is not hazardous to health. That’s why, at times when everyone on island was struggling to rid their homes of ash, scientists regularly went out and collected ash samples to analyse their composition.
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4. Falling ash and stonesBallistics
The Volcano & Belham