Water, ice and mud: Lahars and lahar hazards at ice- and snow-clad volcanoes

Geology Today
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Abstract

Large-volume lahars are significant hazards at ice and snow covered volcanoes. Hot eruptive products produced during explosive eruptions can generate a substantial volume of melt water that quickly evolves into highly mobile flows of ice, sediment and water. At present it is difficult to predict the size of lahars that can form at ice and snow covered volcanoes due to their complex flow character and behaviour. However, advances in experiments and numerical approaches are producing new conceptual models and new methods for hazard assessment. Eruption triggered lahars that are ice-dominated leave behind thin, almost unrecognizable sedimentary deposits, making them likely to be under-represented in the geological record.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Water, ice and mud: Lahars and lahar hazards at ice- and snow-clad volcanoes
Series title Geology Today
DOI 10.1111/gto.12035
Volume 30
Issue 1
Year Published 2014
Language English
Publisher Geological Society of London
Publisher location Oxford
Contributing office(s) Volcano Hazards Program, Volcano Science Center
Description 6 p.
First page 34
Last page 39
Online Only (Y/N) N
Additional Online Files (Y/N) N
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