1.12 Takahashi et al. (2000)
1)
Reference
T. Takahashi, S. Kobayashi, Y. Fukushima, J. X. Zhao, H. Nakamura and P. G. Somerville, 2000, A Spectral Attenuation Model for Japan using Strong Ground Motion Data Base, Proceedings of 6th International Conference on Seismic Zonation, CD-ROM.
2)
Estimated physical parameter
- Peak ground acceleration (Horizontal)
- Acceleration response spectra (h=5%, T=0.05 to 5 sec) (Horizontal)
3)
Used strong motion data
- Area:
- Type of earthquake:
- Period:
- Number of events:
- Number of records: 1166 records
- Magnitude: 5.0 – 8.25
- Epicentral distance: 0.8 – 300 km
and supplementary at near source region,
- Area:
- Type of earthquake:
- Period:
- Number of events:
- Number of records: 116 from
- Magnitude: 5.8 – 8.0
- Epicentral distance: 1 – 200 km
4)
Style of faulting
Not specified
5)
Ground condition
(a) Rock
(b) Hard Soil
(c) Medium Soil
(d) Soft Soil
6)
Definition of magnitude
Moment magnitude
7)
Definition of source distance
- Shortest distance to the rupture zone or
- Hypocentral distance
8)
Definition of horizontal component
Geometric mean of two perpendicular horizontal components
9)
Applicability written in the paper
Not specified
10)
Empirical attenuation formula
Table
1.12.1 Model parameters derived
from all data
|
Period |
a |
b |
c |
d |
e |
s |
t |
sT |
S |
SR |
SH |
SM |
SS |
|
PGA |
0.446 |
0.00350 |
0.012 |
0.446 |
0.00665 |
0.135 |
0.203 |
0.244 |
0.941 |
0.751 |
0.901 |
1.003 |
0.995 |
|
0.05 |
0.424 |
0.00418 |
0.020 |
0.420 |
0.00704 |
0.140 |
0.208 |
0.251 |
-0.868 |
-1.047 |
-0.876 |
-0.815 |
-0.831 |
|
0.10 |
0.428 |
0.00502 |
0.025 |
0.420 |
0.00760 |
0.142 |
0.229 |
0.269 |
-0.351 |
-0.531 |
-0.348 |
-0.309 |
-0.341 |
|
0.15 |
0.443 |
0.00476 |
0.033 |
0.399 |
0.00754 |
0.141 |
0.212 |
0.255 |
-0.234 |
-0.398 |
-0.256 |
-0.175 |
-0.221 |
|
0.20 |
0.457 |
0.00424 |
0.032 |
0.396 |
0.00769 |
0.140 |
0.204 |
0.247 |
-0.217 |
-0.392 |
-0.262 |
-0.138 |
-0.191 |
|
0.25 |
0.453 |
0.00372 |
0.036 |
0.374 |
0.00560 |
0.142 |
0.189 |
0.236 |
-0.157 |
-0.355 |
-0.224 |
-0.071 |
-0.106 |
|
0.30 |
0.444 |
0.00327 |
0.039 |
0.358 |
0.00527 |
0.145 |
0.192 |
0.241 |
-0.083 |
-0.288 |
-0.164 |
0.011 |
-0.016 |
|
0.40 |
0.460 |
0.00264 |
0.040 |
0.351 |
0.00408 |
0.145 |
0.188 |
0.238 |
-0.158 |
-0.375 |
-0.269 |
-0.055 |
-0.054 |
|
0.50 |
0.467 |
0.00230 |
0.040 |
0.342 |
0.00438 |
0.141 |
0.186 |
0.234 |
-0.202 |
-0.427 |
-0.342 |
-0.095 |
-0.054 |
|
0.60 |
0.484 |
0.00203 |
0.040 |
0.338 |
0.00373 |
0.144 |
0.181 |
0.231 |
-0.317 |
-0.565 |
-0.459 |
-0.208 |
-0.146 |
|
0.70 |
0.493 |
0.00193 |
0.040 |
0.319 |
0.00303 |
0.149 |
0.179 |
0.233 |
-0.377 |
-0.640 |
-0.530 |
-0.268 |
-0.203 |
|
0.80 |
0.511 |
0.00186 |
0.040 |
0.315 |
0.00394 |
0.146 |
0.188 |
0.238 |
-0.501 |
-0.780 |
-0.645 |
-0.396 |
-0.315 |
|
0.90 |
0.527 |
0.00169 |
0.040 |
0.315 |
0.00410 |
0.147 |
0.184 |
0.235 |
-0.614 |
-0.902 |
-0.754 |
-0.517 |
-0.412 |
|
1.00 |
0.542 |
0.00148 |
0.040 |
0.316 |
0.00398 |
0.143 |
0.191 |
0.239 |
-0.740 |
-1.038 |
-0.874 |
-0.649 |
-0.523 |
|
1.25 |
0.573 |
0.00135 |
0.040 |
0.295 |
0.00379 |
0.130 |
0.210 |
0.247 |
-1.006 |
-1.271 |
-1.136 |
-0.927 |
-0.811 |
|
1.50 |
0.604 |
0.00139 |
0.040 |
0.292 |
0.00300 |
0.121 |
0.212 |
0.245 |
-1.243 |
-1.523 |
-1.359 |
-1.157 |
-1.076 |
|
2.00 |
0.636 |
0.00090 |
0.040 |
0.292 |
0.00160 |
0.118 |
0.207 |
0.238 |
-1.545 |
-1.807 |
-1.658 |
-1.458 |
-1.398 |
|
2.50 |
0.646 |
0.00043 |
0.040 |
0.307 |
0.00178 |
0.121 |
0.175 |
0.213 |
-1.690 |
-1.923 |
-1.771 |
-1.619 |
-1.548 |
|
3.00 |
0.648 |
0.00050 |
0.040 |
0.305 |
0.00000 |
0.105 |
0.199 |
0.225 |
-1.726 |
-1.943 |
-1.793 |
-1.662 |
-1.598 |
|
4.00 |
0.649 |
0.00000 |
0.040 |
0.330 |
0.00000 |
0.106 |
0.154 |
0.187 |
-1.841 |
-1.998 |
-1.918 |
-1.764 |
-1.733 |
|
5.00 |
0.649 |
0.00000 |
0.040 |
0.341 |
0.00000 |
0.082 |
0.202 |
0.218 |
-1.839 |
-1.949 |
-1.910 |
-1.760 |
-1.754 |