Destroying a volcanic edifice-interactions between edifice instabilities and the volcanic plumbing system

Audray Delcamp, S. Poppe, M. Detienne, E.M.R. Paguican

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

9 Citations (Scopus)

Abstract

Volcanic edifices can collapse during their lifetime, often more than once. Volcano collapses have been documented worldwide in various tectonic settings. They can affect small and large edifices and active or non-active volcanoes. Long- or short-term instabilities develop within or below the edifice, deform its shape and a sudden trigger might prompt volcano failure, resulting in a volcanic landslide. The volume portion of the edifice involved in the collapse can vary from ~0.1 to 10 km3 and depends on the size of the edifice and the location of the failure plane. A shallow-seated failure plane will likely not affect the volcanic plumbing system, while a deep-seated failure plane may impact the structure and the orientation of the volcanic and igneous plumbing system and can influence the post-collapse volcanic activity and type of erupted magma. This then influences how an active edifice can rebuild itself.

Original languageEnglish
Title of host publicationVolcanic and Igneous Plumbing Systems
Subtitle of host publicationUnderstanding Magma Transport, Storage, and Evolution in the Earth's Crust
PublisherElsevier
Pages231-257
Number of pages27
ISBN (Electronic)9780128097496
ISBN (Print)9780128097502
DOIs
Publication statusPublished - 1 Jan 2018

Keywords

  • Instability
  • Long- and short-term deformation
  • Magma storage
  • Volcano collapse

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