McMahon, SeanParnell, JohnBlamey, Nigel J F2017-09-012017-09-012016-09-01McMahon, S, Parnell, J & Blamey, N J F 2016, 'Evidence for Seismogenic Hydrogen Gas, a Potential Microbial Energy Source on Earth and Mars', Astrobiology, vol. 16, no. 9, pp. 690-702. https://doi.org/10.1089/ast.2015.14051531-1074http://hdl.handle.net/2164/9255M thanks the STFC for a PhD studentship and the NASA Astrobiology Institute for additional funding (NNAI13AA90A; Foundations of Complex Life, Evolution, Preservation and Detection on Earth and Beyond). Alison Wright, Roger Gibson and Edward Lynch are thanked for contributing samples. We thank three anonymous reviewers for their insightful comments.1311956800engdeep biospherefaultsfault rocksseismic activityhydrogenMarsQE GeologyQEJournal article10.1089/ast.2015.1405169