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Regional setting of Håkon Mosby Mud Volcano, SW Barents Sea margin

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Abstract

 The Håkon Mosby Mud Volcano (HMMV) is a seafloor mud volcano, having a 1-km-diameter circular shape and a relief of 8–10 m. HMMV is located within a slide scar on the Bjørnøya glacial submarine fan on the SW Barents Sea slope, and is underlain by a >6-km-thick Cenozoic sequence. Multichannel seismic data reveal a 1- to 2-km-wide disturbed zone, which extends to a depth of >3 km below the HMMV. We relate the zone to the presence of free gas. The seismic data are compatible with an intrasedimentary sourced mud volcano related to the glacial sedimentation history and mass movements.

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Authors and Affiliations

  1. AS Geoconsult, Nedre Åstveit 12, N-5106 Øvre Ervik, Norway, , , , , , NO

    B. O. Hjelstuen

  2. Department of Geology, University of Oslo, P.O. Box 1047 Blindern, N-0316 Oslo, Norway, , , , , , NO

    O. Eldholm & J. I. Faleide

  3. Marine Geosciences Division, Naval Research Laboratory, Code 7420, Washington DC 20375, USA , , , , , , US

    P. R. Vogt

Authors
  1. B. O. Hjelstuen
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  2. O. Eldholm
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  3. J. I. Faleide
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  4. P. R. Vogt
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Hjelstuen, B., Eldholm, O., Faleide, J. et al. Regional setting of Håkon Mosby Mud Volcano, SW Barents Sea margin. Geo-Marine Letters 19, 22–28 (1999). https://doi.org/10.1007/s003670050089

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  • DOI: https://doi.org/10.1007/s003670050089

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