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. 2015 Jun 17;77(7):61. doi: 10.1007/s00445-015-0942-y

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© The Author(s) 2015

Open Access 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.

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Fig. 7 — Tephra volume (km³) determined from integration of the cubic B-spline derived thickness surfaces for the six deposits on Fig. 5. Each point represents the volume estimate for a mapped deposit above a given thickness contour (m)