The orientation of the stress axes within sinking slabs |
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Authors: | Dan McKenzie |
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Institution: | Department of Geodesy and Geophysics, Cambridge University, Cambridge Great Britain |
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Abstract: | In principle it should be possible to obtain information about the orientation of the stress axes within a sinking slab from the first motions observed at a single suitably placed seismic station. This idea is tested on the Tonga-Fiji-Kermadec Arc, using the short-period vertical seismograms from Port Moresby, and the orientations so obtained agree with those derived from fault plane solutions. |
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