Estimates on fluid migration and material recycling via offshore mud volcanoes

Arata KIOKA; Juichiro ASHI

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Poster

Symbol S (Solid Earth Sciences) » S-CG Complex & General

[S-CG67_2PO1] Ocean Floor Geoscience

Fri. May 2, 2014 4:15 PM - 5:30 PM Poster (3F)

Convener:*Okino Kyoko(Ocean Research Institute, University of Tokyo), Keiichi Tadokoro(Research Center for Seismology, Volcanology and Earthquake and Volcano Research Center, Nagoya University), Osamu Ishizuka Osamu(Institute of Geoscience, Geological Survey of Japan/AIST), Tomohiro Toki(Faculty of Science, University of the Ryukyus), Narumi Takahashi(Earthquake and Tsunami Research Project for Disaster Prevention, Japan Agency for Marine-Earth Science and Technology)

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4:15 PM - 5:30 PM

[SCG67-P19] Estimates on fluid migration and material recycling via offshore mud volcanoes

*Arata KIOKA¹, Juichiro ASHI¹ (1.Atmos. Ocean Res. Inst., U. Tokyo)

Keywords:Submarine mud volcanoes, fluid migration, material recycling, overpressure

About 300-400 offshore mud volcanoes are currently confirmed and the double is inferred. Mud volcanism can be viewed as a tectonic window to understand geological frameworks at much greater depth, since mud volcanoes bring up deep substances and fluids to seafloor and are consequently good tools to explore their migration mechanism. Herein we present a global catalog of offshore mud volcanoes and estimate their contributions to subsurface fluid migration and material recycling.