Monday, May 2, 2011

VOLCANIC ASH 1

Volcanic Ash 1
Volcanic ash is a volcanic rock which is exploded from a vent in fragments less than 2mm in size. Volcanic ash-particles are like small sharp glass-particles that damage anything they come across. Because volcanic ash can fall on many things it's very harmful to the environment around the volcano. During heavy ash-rains houses and buildings may collapse, people and animals may die by lack of oxygen.

Ash clouds may provide big problems for aviation. When airplanes fly through an eruption cloud a range of damage may occur depending on the concentration of volcanic ash, gas aerosols in the cloud and the actions taken by the pilot to exit the eruption cloud.
volcanic-ash.

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