Synonyms for pyroclastic density current

Most common

pyroclastic flow · pyroclastic surge

All synonyms

Noun

Definitions

1. n. 1

   a pyroclastic flow; a gas-rich, hot, dense, ground-hugging torrent of ash, lapilli, and volcanic blocks that results from the gravitational collapse of a volcanic eruption column, associated with explosive plinian and ultraplinian volcanic eruptions, and which produces a type of volcaniclastic deposit called an ash-flow tuff or an ignimbrite.