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Lahars |
 Meaning: water and mud,
usually volcanic ash, that rushes down the side of a volcano
sweeping over anything in its path.
Fast Facts:
- lahars can extend over long
distances
- their water can be hot, being
heated by volcanic activity
- the water can consist of
melted snow and ice
- lahars have killed many people
- More than 23,000 people were
killed in Armero, Colombia, in a mudflow that started 50km away
(1985)
- As mudflows start they can
carry along boulders, trees and construction materials causing
widespread damage
- In Japan large dams have been
built to slow down mudflows give people time to escape the
danger
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