A V_s-Based Logistic Regression Method for Liquefaction Evaluation

Table 1

Authoritative database published by Andrus et al. [16].

No.	Earthquake		No. of cases	CSR	ds (m)	(m)	VS1 (m/s)
1	1906 San Francisco	7.7	12	0.22∼0.3	4.2∼8	2.4∼6.1	131∼168	0.32∼0.36
2	1957 Daly City	5.3	5	0.08∼0.09	3.5∼7.9	2.7∼5.9	105∼220	0.11
3	1964 Nigita Japan	7.5	4	0.12∼0.15	3.2∼6.2	1.2∼5	112∼162	0.16
4	1975 Haicheng China	7.3	6	0.12∼0.14	3∼10.2	0.5∼1.5	98∼147	0.12
5	1979 imperial Valley, Calif	6.5	11	0.09∼0.42	3∼4.7	1.5∼2.7	90∼173	0.12∼0.51
6	1980 Mid-Chiba Japan	5.9	2	0.08	6.1∼14.8	1.3	155∼195	0.08
7	1981 Westmorland, Calif	5.9	11	0.02∼0.29	3∼4.7	1.5∼2.4	90∼173	0.02∼0.36
8	1983 Borah Peak, Idaho	6.9	18	0.16∼0.41	1.9∼3.7	0.8∼3	94∼274	0.23∼0.46
9	1985 Chiba-Ibaragi-Kenkyo, Japan	6.0	2	0.05	6.1∼14.8	1.3	155∼195	0.05
10	1986 Taiwan (event Lsst2)	5.3	4	0.08	5.3∼6.1	0.5	127∼156	0.05
11	1986 Taiwan (event Lsst3)	5.5	4	0.03	5.3∼6.1	0.5	127∼156	0.02
12	1986 Taiwan (event Lsst4)	6.6	4	0.34	5.3∼6.1	0.5	127∼156	0.22
13	1986 Taiwan (event Lsst6)	5.4	4	0.06	5.3∼6.1	0.5	127∼156	0.04
14	1986 Taiwan (event Lsst7)	6.6	4	0.27∼0.28	5.3∼6.1	0.5	127∼156	0.18
15	1986 Taiwan (event Lsst8)	6.2	4	0.06	5.3∼6.1	0.5	127∼156	0.04
16	1986 Taiwan (event Lsst12)	6.2	4	0.27∼0.28	5.3∼6.1	0.5	127∼156	0.18
17	1986 Taiwan (event Lsst13)	6.2	4	0.08	5.3∼6.1	0.5	127∼156	0.08
18	1986 Taiwan (event Lsst16)	7.6	4	0.21∼0.22	5.3∼6.1	0.5	127∼156	0.14
19	1987 Chiba-Toho-Oki, Japan	6.5	1	0.06	9	6.2	150	0.1
20	1987 Elmore Ranch, Calif	5.9	11	0.03∼0.19	3.4∼4.7	1.5∼2.7	90∼173	0.03∼0.24
21	1987 Superstition Hills Calif	6.5	11	0.15∼0.20	3.0∼4.7	1.5∼2.7	90∼173	0.18∼0.21
22	1989 Loma Prieta, Calif	7.0	67	0.13∼0.42	2.3∼9.9	0.6∼6.1	91∼209	0.1∼0.45
23	1993 Kushiro-Oki, Japan	8.3	2	0.35∼0.46	4.2∼4.5	0.9∼1.9	135∼152	0.41
24	1993 Hokkaido-Nansei-Oki, Japan	8.3	4	0.16∼0.18	2.0∼7.0	1.0∼1.4	74∼143	0.15∼0.19
25	1994, Northridge, Calif	6.7	3	0.37∼0.4	4.4∼5.6	3.4	129∼160	0.51
26	1995 Hyogo-Ken Nanbu, Japan	6.9	19	0.1∼0.6	3.3∼11.5	1.5∼7	110∼214	0.12∼0.65