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Pyroclastic Flows |
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| A pyroclastic flow is a rapid avalanche of rock,
ash and gas that happens during an eruption (Topinka, 2003), it can also
happen when a dome wall collapses. The speed of this flow can
reach up and over 100 mph and can reach a temperature of 500 degrees
Celsius (VHP WWW Team, 2000). These flows can easily destruct just
about anything in their path. These kind of flows are typical of
composite volcanoes.
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