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Tables

 
depth (km) Vp, km/s Vs, km/s tex2html_wrap_inline41 ( tex2html_wrap_inline43 ) B (% of Vp) E (% of Vs) tex2html_wrap_inline47 tex2html_wrap_inline49
35 6.00 3.60 2.5 0 0 - -
135 8.00 4.60 3.1 3 3 75 100
235 8.00 4.60 3.1 4 4 130 50
tex2html_wrap_inline49 8.20 4.7 3.3 0 0 - -
Table: Anisotropic structure (hexagonal symmetry) consistent with shear-wave splitting observations at HRV. ``Depth'' indicates the bottom of each layer. The parameters B and E scale peak-to-peak variations of compressional and shear velocity, respectively, each with tex2html_wrap_inline35 azimuthal dependence [Park, 1996]. The angles tex2html_wrap_inline37 and tex2html_wrap_inline39 define the tilt (from vertical) and strike (CW from N) of the axis of symmetry within each anisotropic layer.

 

depth (km) Vp, km/s Vs, km/s tex2html_wrap_inline41 ( tex2html_wrap_inline43 ) tex2html_wrap_inline63 tex2html_wrap_inline65 tex2html_wrap_inline67 tex2html_wrap_inline69 tex2html_wrap_inline71 tex2html_wrap_inline73
40 6.8 3.9 2.85 - - - - -
100 8.3 4.8 3.3 89 115 80 25 10 210
190 8.3 4.8 3.3 90 53 67 323 23 143
tex2html_wrap_inline49 8.3 4.8 3.3 - - - - -
Table: Anisotropic structure (orthorhombic symmetry) consistent with shear wave splitting observations at HRV. Velocity values in anisotropic layers are the isotropic averages of respective elastic tensors. The anisotropic medium is modeled as 30% orthorhombic olivine and 70% isotropic olivine, a mixture that is tex2html_wrap_inline51 % anisotropic. The angles tex2html_wrap_inline37 and tex2html_wrap_inline39 define the tilt (from vertical) and azimuth (CW from N) of the symmetry axes (fast, intermediate, slow) within each anisotropic layer.

 
depth (km) Vp, km/s Vs, km/s tex2html_wrap_inline41 ( tex2html_wrap_inline43 ) B (% of Vp) E (% of Vs) tex2html_wrap_inline47 tex2html_wrap_inline49
1 5.00 2.95 2.1 -15 0 45 345
20 6.40 3.70 2.3 0 0 - -
23 5.8 3.30 2.3 0 0 - -
33 6.60 3.80 2.6 0 0 - -
42 7.60 4.40 3.0 -15 -15 65 230
100 8.00 4.60 3.2 6 6 80 50
240 8.00 4.60 3.2 4 4 130 90
tex2html_wrap_inline49 8.20 3.3 4.7 0 0 - -
Table: Anisotropic structure (hexagonal symmetry) consistent with P-coda receiver functions [Levin and Park, 1997a] and shear-wave splitting observations at ARU. Depth indicates the bottom of each layer. The parameters B and E scale peak-to-peak variations of compressional and shear velocity, respectively, each with tex2html_wrap_inline35 azimuthal dependence [Park, 1996]. The angles tex2html_wrap_inline37 and tex2html_wrap_inline39 define the tilt (from vertical) and strike (CW from N) of the axis of symmetry within each anisotropic layer.


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vadim levin
Mon Mar 22 11:32:38 EST 1999