pyroclastic density current

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pyroclastic density current

noun pyroclastic density currents

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.
Similar: PDC, pyroclastic flow, pyroclastic surge

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"pyroclastic density current." Wiktionary, via Micwyn, micwyn.com/word/pyroclastic%20density%20current. Accessed 6 Nov. 2026.

APA

pyroclastic density current. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/pyroclastic%20density%20current

Chicago

"pyroclastic density current." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/pyroclastic%20density%20current.

BibTeX

@misc{pyroclastic_density_current_2026,
  title = {pyroclastic density current},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/pyroclastic%20density%20current},
  urldate = {2026-11-06}
}