Samuel’s research covers many aspects of volcanology, marine geology, and fluid dynamics. He is always open to new collaborations and promoting cross-disciplinary research efforts between the earth, ocean, and life sciences.


How do submarine eruptions differ from subaerial eruptions?

How does pumice float on water?

How is volcanic glass chemistry affected by seawater?

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How do microscopic rock textures record eruptive styles?

How do magmatic gases escape volcanic plumbing systems?

How do explosive-effusive eruptive transitions occur?

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How do secondary eruptions occur in pyrcolastic deposits?

How fast does ash settle through the atmosphere?

How does melt rise through magma storage regions?

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How do deep sea volcanoes grow?

How is magma stored beneath submarine volcanoes?

How do submarine lava flows behave?

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Manuscripts in revision / review:

Mitchell, S. J., Hudak, M. R., Bindeman, I. N., Carey, R. J., McIntosh, I. M., Houghton, B. F. & Rubin K. H. (In revision) Isotopic signatures of magmatic fluids and seawater within deep-sea silicic volcanic rocks, Geochimica et Cosmochimica Acta

Vásconez-Muller, A., Cashman, K., Mitchell, S. J. & Vasconez, J. (In revision), The 2.6–2.3 ka explosive eruptive period of the Pululahua dome complex, Ecuador: Insights from pyroclast analysis, Bulletin of Volcanology



Peer-reviewed publications:

10. Mitchell, S. J., Fauria, K. Houghton, & Carey, R. J. (2021), Sink or float: Microtextural controls on the fate of pumice deposition from submarine volcanic eruptions, Bulletin of Volcanology, v. 83, no. 80, DOI: 


9. Gilbertson, M., Taylor, A., Mitchell, S. J. & Rust, A. (2020) A fluidisation mechanism for secondary hydroeruptions in pyroclastic flow deposits, Frontiers in Earth Science: Volcanology, v. 8, no. 324. , DOI:

8. Sun, Q., Magee, C., Jackson, C. A. L., Mitchell, S. J. & Xie, X. (2020) How do deep-water volcanoes grow?, Earth and Planetary Science Letters, v. 542., DOI:

7. Mitchell, S. J., Houghton, B. F., Carey, R. J., Manga, M., Fauria, K., Jones, M. R., Conway, C. E., Soule, A. S., Wei, Z., & Giachetti, T., (2019) Submarine giant pumice: A window into the shallow conduit dynamics of a recent silicic eruption, Bulletin of Volcanology, v. 81, no. 7, p. 42., DOI:

6. Sun, Q., Jackson, C. A. L., Magee, C., Mitchell, S. J. & Xie, X., (2019) Extrusion dynamics of deep-water volcanoes revealed by 3D seismic data, European Geophysical Union: Solid Earth, v. 10, no. 5., DOI:

5. Mitchell, S. J., Biass, S., Houghton, B. F., Walker, B. H., Anderson, A., Bonny, E., Mintz, B. G., Turner, N., Frank, D., Carey, R. J. & Rosenburg, M. D.(2018) The interplay of clast size, vesicularity and secondary fragmentation: An example from the 1.8 ka Taupo eruption, Geological Society of America special paper, v. 538, 17.

4. Manga, M., Mitchell, S. J., Degruyter, W., & Carey, R. J., (2018) Transition of eruptive style: Pumice raft to dome-forming eruption at the Havre submarine volcano, Geology, v. 46, no. 12., DOI:

3. Mitchell, S. J., McIntosh, I. M., Houghton, B. F., Carey, R. J., & Shea, T., (2018) Dynamics of a powerful deep submarine eruption recorded in H2O contents and speciation in rhyolitic glass: The 2012 Havre eruption, Earth and Planetary Science Letters, v. 494, p. 135-147., DOI:

2. Manga, M., Fauria, K., Lin, C., Mitchell, S. J., Jones, M., Conway, C. E., Degruyter, W., Hosseini, B., Carey, R. J., Cahalan, R., Houghton, B. F., White., J. D. L., Jutzeler, M., Soule, S. A., & Tani, K., (2018) The pumice raft-forming 2012 Havre submarine eruption was effusive, Earth and Planetary Science Letters, v. 489, p. 49-58., DOI:

1. Carey, R. J., Soule, S. A., Manga, M., White, J. D. L., Wysoczanski, R., Jutzeler, M., McPhie, J., Tani, K., Fornari, D., Caratori-Tontini, F., Houghton, B. F., Mitchell, S. J., Ikegami, F., Murch, A., Fauria, K., Conway, C., Jones, M., Cahalan, R., & McKenzie, W., (2018) The largest deep ocean silicic volcanic eruption of the past century, Science Advances, v. 4, no. 1., DOI: