Controls on explosive-effusive volcanic eruption styles

Nature Communications
Mike CassidyOlivier Bachmann

Abstract

One of the biggest challenges in volcanic hazard assessment is to understand how and why eruptive style changes within the same eruptive period or even from one eruption to the next at a given volcano. This review evaluates the competing processes that lead to explosive and effusive eruptions of silicic magmas. Eruptive style depends on a set of feedback involving interrelated magmatic properties and processes. Foremost of these are magma viscosity, gas loss and external properties such as conduit geometry. Ultimately, these parameters control the speed at which magmas ascend, decompress and outgas en route to the surface, and thus determine eruptive style and evolution.

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Citations

Aug 25, 2019·Nature Communications·T J JonesS C Boothroyd
Nov 9, 2019·Nature Communications·Michael J HeapThomas R Walter
Jul 30, 2020·Nature Communications·Michael J StockJohn Maclennan
Nov 10, 2018·Nature Communications·Fabian B WadsworthDonald B Dingwell
Sep 25, 2020·Science Advances·Fabian B WadsworthHugh Tuffen
Sep 25, 2020·Science Advances·Danilo Di GenovaNobuyoshi Miyajima
Jan 14, 2021·Nature Communications·Sahand HajimirzaJames E Gardner
Sep 18, 2021·Science Advances·Alessandro AiuppaMaurizio Ripepe
Sep 23, 2021·Nature Communications·Jieming Niu, Teh-Ru Alex Song

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Methods Mentioned

BETA
lava flow
rheology

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