ash cloud

GLOSSARY OF VOLCANIC TERMS
A cloud of ash produced during pyroclastic eruptions (Miller, 1989). These clouds can result from rapid rising of the hot, buoyant ash-rich eruptive plume, or can be derived by elutriation at the top of a pyroclastic flow (Cas and Wright, 1987).

Glossary of volcanic terms. - University of Wisconsin Oshkosh. . 2001.

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