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Stronger or longer: discriminating between Hawaiian and Strombolian eruption styles

Citation

Houghton, BF and Taddeucci, J and Andronico, D and Gonnermann, HM and Pistolesi, M and Patrick, MR and Orr, TR and Swanson, DA and Edmonds, M and Gaudin, D and Carey, RJ and Scarlato, P, Stronger or longer: discriminating between Hawaiian and Strombolian eruption styles, Geology, 44, (2) pp. 163-166. ISSN 0091-7613 (2016) [Refereed Article]

Copyright Statement

Copyright 2016 Geological Society of America

DOI: doi:10.1130/G37423.1

Abstract

The weakest explosive volcanic eruptions globally, Strombolian explosions and Hawaiian fountaining, are also the most common. Yet, despite over a hundred years of observations, no classifications have offered a convincing, quantitative way of demarcating these two styles. New observations show that the two styles are distinct in their eruptive time scale, with the duration of Hawaiian fountaining exceeding Strombolian explosions by ∼30010,000 s. This reflects the underlying process of whether shallow-exsolved gas remains trapped in the erupting magma or is decoupled from it. We propose here a classification scheme based on the duration of events (brief explosions versus prolonged fountains) with a cutoff at 300 s that separates transient Strombolian explosions from sustained Hawaiian fountains.

Item Details

Item Type:Refereed Article
Keywords:Kilauea, Hawaiian, Strombolian
Research Division:Earth Sciences
Research Group:Geology
Research Field:Volcanology
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Earth Sciences
Author:Carey, RJ (Dr Rebecca Carey)
ID Code:105627
Year Published:2016
Funding Support:Australian Research Council (DE150101190)
Web of Science® Times Cited:3
Deposited By:Earth Sciences
Deposited On:2016-01-11
Last Modified:2017-03-01
Downloads:0

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