Articles | Volume 9, issue 6
Solid Earth, 9, 1299–1328, 2018
https://doi.org/10.5194/se-9-1299-2018
Solid Earth, 9, 1299–1328, 2018
https://doi.org/10.5194/se-9-1299-2018

Research article 08 Nov 2018

Research article | 08 Nov 2018

Failure criteria for porous dome rocks and lavas: a study of Mt. Unzen, Japan

Rebecca Coats et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Rebecca Coats on behalf of the Authors (14 Aug 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (13 Sep 2018) by Joachim Gottsmann
RR by Jamie Farquharson (30 Sep 2018)
ED: Publish subject to minor revisions (review by editor) (06 Oct 2018) by Joachim Gottsmann
AR by Rebecca Coats on behalf of the Authors (09 Oct 2018)  Author's response    Manuscript
ED: Publish as is (15 Oct 2018) by Joachim Gottsmann
ED: Publish as is (15 Oct 2018) by Joachim Gottsmann(Executive Editor)
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Short summary
Lava domes are mounds of viscous lava and their collapse can cause deadly pyroclastic flows. This paper looks at the example of Mt. Unzen in Japan. Using novel experimental techniques, we discovered that crystals and bubbles in the lava make it behave differently to what was previously thought and that it becomes weaker and more susceptible to collapse as it cools. This calls for a review of current models, allowing for better failure prediction of lava domes in the future.