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The University of Southampton
Ocean and Earth Science, National Oceanography Centre Southampton

Research project: Characterising Seismic Anisotrophy Beneath Ocean Basins

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In the past two decades shear-wave (e.g. SKS) splitting has proven to be an invaluable tool in studying seismic anisotropy and deformation within the Earth’s interior.

Data graph
Figure 1

Such measurements are then used in turn to constrain models of mantle convection with implications for plate tectonics, dynamic topography, and the degree of plate-mantle coupling etc. The vast majority of splitting measurements however are made at seismic stations located on land, but oceans cover 70% of the Earth’s surface. In order to better understand the dynamics of our planet on a global scale we therefore need to be able to make observations over the oceans. During this project the plan is to develop ways to directly measure the seismic anisotropy beneath oceans by utilizing the distribution of earthquakes and surface reflected phases instead of relying on the distribution of stations.

Key Contact

Dr Caroline Eakin

PhDs and Other Opportunities

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Related research groups

Geology and Geophysics
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