Guide to Geologic Hazards in Alaska - Glossary
- Pyroclastic flow
- A density current of pyroclastic material, usually very hot and composed of a mixture of gases and particles. A syn. of ash flow used in a more general sense in that an ash flow is composed of ash-sized pyroclasts. (Neuendorf, K.K.E. and others, 2005)
- DGGS online catalog of government agency publications relating to: Pyroclastic flow
- U.S. Geological Survey (USGS): Volcano hazards program