Articles | Volume 10, issue 1
Research article
15 Jan 2019
Research article |  | 15 Jan 2019

Correlation between tectonic stress regimes and methane seepage on the western Svalbard margin

Andreia Plaza-Faverola and Marie Keiding

Related subject area

Subject area: Tectonic plate interactions, magma genesis, and lithosphere deformation at all scales | Editorial team: Structural geology and tectonics, paleoseismology, rock physics, experimental deformation | Discipline: Tectonics
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Cited articles

Ambrose, W. G., Panieri, G., Schneider, A., Plaza-Faverola, A., Carroll, M. L., Åström, E. K., Locke, W. L., and Carroll, J.: Bivalve shell horizons in seafloor pockmarks of the last glacial-interglacial transition: a thousand years of methane emissions in the Arctic Ocean, Geochem. Geophys. Geosys., 16, 4108–4129, 2015. 
Andreassen, K., Hubbard, A., Winsborrow, M., Patton, H., Vadakkepuliyambatta, S., Plaza-Faverola, A., Gudlaugsson, E., Serov, P., Deryabin, A., and Mattingsdal, R.: Massive blow-out craters formed by hydrate-controlled methane expulsion from the Arctic seafloor, Science, 356, 948–953, 2017. 
Árnadóttir, T., Lund, B., Jiang, W., Geirsson, H., Björnsson, H., Einarsson, P., and Sigurdsson, T.: Glacial rebound and plate spreading: results from the first countrywide GPS observations in Iceland, Geophys. J. Int., 177, 691–716, 2009. 
Auriac, A., Whitehouse, P., Bentley, M., Patton, H., Lloyd, J., and Hubbard, A.: Glacial isostatic adjustment associated with the Barents Sea ice sheet: a modelling inter-comparison, Quaternary Sci. Rev., 147, 122–135, 2016. 
Berndt, C., Feseker, T., Treude, T., Krastel, S., Liebetrau, V., Niemann, H., Bertics, V. J., Dumke, I., Dünnbier, K., and Ferré, B.: Temporal constraints on hydrate-controlled methane seepage off Svalbard, Science, 343, 284–287, 2014. 
Short summary
Vast amounts of methane are released to the oceans at continental margins (seepage). The mechanisms controlling when and how much methane is released are not fully understood. In the Fram Strait seepage may be affected by complex tectonic processes. We modelled the stress generated on the sediments exclusively due to the opening of the mid-ocean ridges and found that changes in the stress field may be controlling when and where seepage occurs, which has implications for seepage reconstruction.