Shear-wave splitting variations across an array in the southern North Island, New Zealand

Geophysical Research Letters

Volumn 31, Issue 21, 2004, Pages

  Marson Pidgeon, Katrina ^a   Savage, Martha K ^a  

^a VICTORIA UNIVERSITY OF WELLINGTON   (New Zealand)

Author keywords

7203 Seismology: Body wave propagation; 7205 Seismology: Continental crust (1242); 7218 Seismology: Lithosphere and upper mantle; 8150 Tectonophysics: Plate boundary General (3040)

Indexed keywords

ANISOTROPY; POLARIZATION; SEISMOLOGY; SPATIAL VARIABLES CONTROL; VELOCITY MEASUREMENT; SHEAR FLOW;

ANISOTROPIC BOUNDARY; SHEAR-WAVE SPLITTING VARIATIONS; SPATIAL VARIATIONS; TELESEISMOLOGY;

SHEAR WAVES;

SEISMIC VELOCITY; SUBDUCTION ZONE; VELOCITY STRUCTURE; WAVE SPLITTING;

AUSTRALASIA; EASTERN HEMISPHERE; NEW ZEALAND; NORTH ISLAND; WORLD;

ANISOTROPIC BOUNDARIES; FORE ARC REGION; POLARIZATION DIRECTION; SHEAR WAVE SPLITTING; SHEAR-WAVE SPLITTING VARIATIONS; SPATIAL VARIATIONS; SUBDUCTION ZONES; VERTICAL VELOCITY;

EID: 13244251255     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2004GL021190     Document Type: Article

References (14)

1. Adams, R. D., and D. E. Ware (1977), Subcrustal earthquakes beneath New Zealand: Locations determined with a laterally inhomogeneous velocity model, N. Z. J. Geol. Geophys., 20, 59-83.
2. Alsina, D., and R. Snieder (1995), Small-scale sublithospheric continental mantle deformation: Constraints from SKS splitting observations, Geophys. J. Int., 123, 431-448.
3. Ansell, J. H., and S. C. Bannister (1996), Shallow morphology of the subducted Pacific plate along the Hikurangi margin, New Zealand, Phys. Earth Planet Inter., 93, 3-20.
4. Eberhart-Phillips, D., and M. Reyners (1997), Continental subduction and three-dimensional crustal structure: The northern South Island, New Zealand, J. Geophys. Res., 102, 11,843-11,861.
5. Gledhill, K., and D. Gubbins (1996), SKS splitting and the seismic anisotropy of the mantle beneath the Hikurangi subduction zone, New Zealand, Phys. Earth Planet. Inter., 95, 227-236.
6. Gledhill, K., and G. Stuart (1996), Seismic anisotropy in the fore-arc region of the Hikurangi subduction zone, New Zealand, Phys. Earth Planet. Inter., 95, 211-225.
7. Hartog, R., and S. Y. Schwartz (2000), Subduction-induced strain in the upper mantle east of the Mendocino junction, California, J. Geophys. Res., 105, 7909-7930.
8. Marson-Pidgeon, K., and M. K. Savage (1997), Frequency-dependent anisotropy in Wellington, New Zealand, Geophys. Res. Lett., 24, 3297-3300.
9. Marson-Pidgeon, K., and M. K. Savage (2004), Modelling shear wave splitting observations from Wellington, New Zealand, Geophys. J. Int., 157, 853-864.
10. Marson-Pidgeon, K., M. K. Savage, K. Gledhill, and G. Stuart (1999), Seismic anisotropy beneath the lower half of the North Island, New Zealand, J. Geophys. Res., 104, 20,277-20,286.
11. Rümpker, G., and T. Ryberg (2000), New "Fresnel-zone" estimates for shear-wave splitting observations from finite-difference modeling, Geophys. Res. Lett., 27, 2005-2008.
12. Silver, P. G., and W. W. Chan (1991), Shear wave splitting and subcontinental mantle deformation, J. Geophys. Res., 96, 16,429-16,454.
13. Silver, P. G., and M. K. Savage (1994), The interpretation of shear-wave splitting parameters in the presence of two anisotropic layers, Geophys. J. Int., 119, 949-963.
14. Stuart, G. W., D. Francis, D. Gubbins, and G. Smith (1995), Tararua broadband array, North Island, New Zealand, Bull. Seismol. Soc. Am., 85, 325-333.