Massive Craters formed by Methane Blow-outs
Massive craters formed by methane blow-outs from
the Arctic sea floor, June 1, 2017
the paper is;
K. Andreassen, A. Hubbard, M. Winsborrow, H. Patton, S. Vadakkepuliyambatta, A. Plaza-Faverola, E. Gudlaugsson, P. Serov, A. Deryabin, R. Mattingsdal, J. Mienert, and S. Bünz,
2017, Massive blow-out craters formed by hydrate-controlled methane expulsion from the Arctic seafloor. Science. Vol. 356, Issue 6341, pp. 948-953 DOI: 10.1126/science.aal4500
Another paper is:
Long, D., Lammers, S. and Linke, P., 1998. Possible hydrate mounds within large sea-floor craters in the Barents Sea.Geological Society, London, Special Publications, 137(1), pp.223-237.