Crummy, JM, Savov, IP orcid.org/0000-0003-4218-4365, Loughlin, SC et al. (3 more authors) (2019) Challenges of determining frequency and magnitudes of explosive eruptions even with an unprecedented stratigraphy. Journal of Applied Volcanology, 8 (3).
Abstract
Through decades of field studies and laboratory analyses, Volcán de Colima, Mexico has one of the best known proximal eruption stratigraphies of any volcano, yet the frequency and magnitudes of previous eruptions are still poorly resolved. Hazard assessments based on models of well-known, well-mapped recent eruptions may appear to have low uncertainty, but may be biased by the nature of those events. We present a comprehensive stratigraphy of explosive eruption deposits combining new data collected as part of this study together with published and unpublished data. For the first time we have been able to model five of the best exposed and cross-correlated pre-historical Holocene explosive events at Volcán de Colima. By modelling the volumes and magnitudes of Holocene eruptions at Volcán de Colima, we are able to improve estimations of the potential range of magnitudes of future explosive eruptions, which can be incorporated into hazard assessments for nearby communities. Based on recent studies we demonstrate that these volumes may be underestimated by at least an order of magnitude, and show that even with an exceptionally well-defined stratigraphic record our understanding of the full range of explosive eruptions may still be biased.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2019 The Author(s). This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. |
Keywords: | Volcán de Colima; Tephra dispersion modelling; Hazard assessments; Tephra stratigraphy; Eruption frequency; Eruption magnitude |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Earth and Environment (Leeds) > Inst of Geophysics and Tectonics (IGT) (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 03 Jun 2019 15:10 |
Last Modified: | 03 Jun 2019 15:10 |
Status: | Published |
Publisher: | SpringerOpen |
Identification Number: | 10.1186/s13617-019-0083-7 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:146777 |