Jeffrey Witter

SFU Adjunct faculty, Principal Geoscientist at Innovate Geothermal

Areas of interest

Volcanology & Geothermal Resources


  • A.B., Occidental College, 1992
  • M.Sc., Hawaii Manoa, 1997
  • Ph.D., Washington, 2003


Jeff is a volcanologist with research interests in physical volcanology, gas geochemistry, geophysics and geothermal resources. His research uses a range of geochemical and geophysical techniques to investigate active volcanoes and their associated geothermal systems.

 Recent Publications

  1. Warwick, R., Williams-Jones, G., Kelman, M., Witter, J.B. (2022) A scenario-based volcanic hazard assessment for the Mount Meager Volcanic Complex, British Columbia. Journal of Applied Volcanology, Accepted.
  2. Calahorrano-Di Patre, A., Williams-Jones, G., Battaglia, M., Mothes, P., Gaunt, E., Zurek, J.M., Ruiz, M., Witter, J. (2019) Hydrothermal fluid migration due to interaction with shallow magma: Insights from gravity changes before and after the 2015 eruption of Cotopaxi volcano, Ecuador. Journal of Volcanology and Geothermal Research, 387, doi: 10.1016/j.jvolgeores.2019.106667.
  3. Witter, J.B., Trainor-Guitton, W.J., Siler, D.L. (2019) Uncertainty and Risk Evaluation During the Exploration Stage of Geothermal Development: A Review. Geothermics, 78, 233–242, doi: 10.1016/j.geothermics.2018.12.011.
  4. Fraser, T.A., Grasby, S.E., Witter, J.B., Colpron, M., Relf, C. (2018) Geothermal studies in Yukon – collaborative efforts to understand ground temperature in the Canadian North. Transactions - Geothermal Resources Council 42.