A seismic reflection image for the base of a tectonic plate

T. A. Stern (), S. A. Henrys, D. Okaya, J. N. Louie, M. K. Savage, S. Lamb, H. Sato, R. Sutherland and T. Iwasaki
Additional contact information
T. A. Stern: Institute of Geophysics, Victoria University, Salamanca Road, Wellington 6140, New Zealand
S. A. Henrys: Institute of Geological and Nuclear Sciences, 1 Fairway Drive, Lower Hutt 5010, New Zealand
D. Okaya: University of Southern California, 3651 Trousdale Parkway, Los Angeles, California 90210, USA
J. N. Louie: Seismological Observatory, University of Nevada, 1664 North Virginia Street, Reno, Nevada 90210, USA
M. K. Savage: Institute of Geophysics, Victoria University, Salamanca Road, Wellington 6140, New Zealand
S. Lamb: Institute of Geophysics, Victoria University, Salamanca Road, Wellington 6140, New Zealand
H. Sato: Earthquake Research Institute, Tokyo University, 1-1-1 Yoyoi, Tokyo 113-0032, Japan
R. Sutherland: Institute of Geophysics, Victoria University, Salamanca Road, Wellington 6140, New Zealand
T. Iwasaki: Earthquake Research Institute, Tokyo University, 1-1-1 Yoyoi, Tokyo 113-0032, Japan

Nature, 2015, vol. 518, issue 7537, 85-88

Abstract: A high-resolution image for the base of an oceanic plate that is subducting beneath North Island, New Zealand, reveals a channel, which is interpreted as a sheared zone of ponded partial melts or volatiles; this low-viscosity channel decouples the plate from mantle flow beneath, allowing plate tectonics to work.

Date: 2015
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DOI: 10.1038/nature14146

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