Previous   |   Close   |   Next

Table T20. Estimated azimuth of seismometers in walkaway VSP experiment, Hole C0009A. (See table notes.)

Depth
DRF (m)
x y Difference in estimated
azimuth (xy) (°)
First motion
amplitude
Estimated
azimuth (°)
First motion
amplitude
Estimated
azimuth (°)
2989 0.041 75.0 0.04 341.7 93.3
3004 0.036 96.4 0.038 5.0 91.4
3019 0.037 139.9 0.032 49.2 90.7
3034 0.035 184.1 0.032 89.0 95.1
3050 0.032 216.6 0.035 135.5 81.1
3065 0.031 291.2 0.03 195.9 95.3
3080 0.034 324.1 0.031 230.0 94.1
3095 0.039 343.2 0.033 253.2 90.0
3111 0.029 26.3 0.031 308.6 77.6
3126 0.008 56.2 0.012 333.1 83.1
3141 0.031 125.9 0.031 23.9 102.0
3156 0.027 185.2 0.022 95.1 90.1
3172 0.024 204.2 0.02 125.5 78.7
3187 0.023 168.2 0.023 85.8 82.4
3202 0.028 149.7 0.022 57.0 92.6
3217 0.031 151.6 0.026 76.9 74.8

Notes: Azimuth estimated using amplitude of first motion of shots in circle shooting. Differences of estimated azimuth between x- and y-components are indicated on the right.

Previous   |   Close   |   Next  |   Top of page