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Table 1 Site conditions of the 33 strong-motion stations and the recorded PGA and PGV values during the Ms8.0 Wenchuan Earthquake and parameters identified for the evaluation of the soil nonlinearity

From: Five parameters for the evaluation of the soil nonlinearity during the Ms8.0 Wenchuan Earthquake using the HVSR method

No. Station codeb Record number V aS30 (m/s) A max PGA (cm/s2) PGV (cm/s) F p (Hz) fNL (Hz) DNL ADNL PNL (%) Nonlinearity level
EW NS Mean EW NS Mean Weak Strong RFp
1 51AXT 8 376.1 4.95 −289.4 203.4 242.6 29.0 −31.3 30.1 3.91 2.98 1.31 7.96 4.98 0.21 6.78 Medium
2 51CXQ 5 542.0 4.32 −184.8 −166.9 175.7 −22.9 14.2 18.0 3.96 3.56 1.11 10.21 2.48 0.08 1.87 Weak
3 51GYS 10 388.2 11.01 320.4 274.0 296.3 −20.5 23.7 22.0 8.25 4.79 1.72 6.69 5.38 0.37 24.13 Strong
4 51GYZ 6 366.5 6.50 424.4 −410.6 417.5 27.5 −42.0 34.0 4.20 2.15 1.95 2.83 4.07 0.37 26.81 Strong
5 51HSD 31 366.6 5.14 −102.5 89.8 95.9 6.2 5.3 5.7 12.21 11.08 1.10 11.52 2.77 0.09 5.82 Weak
6 51HSL 33 351.3 3.31 −107.6 −142.6 123.9 7.4 9.4 8.3 3.56 3.61 0.99 11.57 2.73 0.08 3.15 Weak
7 51JYC 60 430.5 9.45 298.0 282.9 290.3 22.4 −34.2 27.7 7.28 5.42 1.34 2.88 10.55 0.75 30.52 Strong
8 51JYD 37 475.6 11.64 −510.1 456.8 482.7 27.3 34.4 30.6 8.01 3.71 2.16 6.64 6.52 0.41 20.79 Strong
9 51JYH 33 322.8 5.58 −512.9 −347.7 422.3 20.6 −30.0 24.8 12.89 7.67 1.68 8.30 5.93 0.27 12.06 Strong
10 51JZB 13 354.3 3.90 −96.4 104.6 100.4 −4.7 −4.1 4.4 2.93 2.83 1.03 12.55 2.90 0.13 7.50 Medium
11 51JZG 34 325.6 3.19 −169.8 241.4 202.5 −10.9 8.6 9.7 5.18 4.83 1.07 8.01 2.64 0.09 2.87 Weak
12 51JZW 40 457.3 4.88 −128.1 173.6 149.2 −9.8 10.0 9.9 4.44 3.42 1.30 8.20 4.13 0.17 8.88 Medium
13 51JZY 31 340.6 3.80 −91.7 100.0 95.8 −7.8 −7.3 7.5 6.74 6.25 1.08 6.49 2.49 0.07 2.27 Weak
14 51LDD 5 378.0 6.96 109.3 −111.8 110.5 6.2 −7.6 6.9 1.86 1.61 1.15 9.33 3.02 0.17 3.41 Weak
15 51LDL 11 348.6 6.84 −109.3 −120.5 114.7 4.9 6.4 5.6 2.34 2.44 0.96 8.69 3.16 0.16 5.52 Weak
16 51LXM 73 325.5 8.76 320.9 −283.8 301.8 22.4 19.0 20.6 2.73 2.44 1.12 7.23 3.14 0.13 6.64 Weak
17 51LXS 43 340.9 3.20 221.3 261.7 240.7 9.1 8.8 8.9 3.81 3.66 1.04 11.77 3.33 0.16 6.38 Weak
18 51LXT 70 350.8 2.27 339.6 342.2 340.9 19.1 13.0 15.7 7.18 6.69 1.07 6.10 4.42 0.17 5.20 Medium
19 51MXT 13 584.6 2.08 −306.6 302.2 304.4 27.7 −20.4 23.7 2.07 0.07 4.09 None
20 51MXD 87 299.4 4.26 246.6 −206.1 225.5 −17.5 −33.4 24.2 0.98 0.98 1.00 5.08 2.61 0.12 3.24 Weak
21 51MXN 65 430.0 3.53 −421.1 349.2 383.5 33.3 26.9 29.9 1.61 1.51 1.06 5.81 3.86 0.18 7.76 Medium
22 51MZQ 3 551.3 3.52 −824.6 803.3 813.9 −136.3 66.3 95.0 4.59 3.76 1.22 3.96 4.19 0.32 16.96 Medium
23 51PJD 9 389.5 8.24 −195.8 −190.3 193.0 19.6 −15.5 17.4 2.78 2.69 1.04 11.67 2.78 0.16 4.31 Weak
24 51PJW 11 337.9 5.62 97.7 101.2 99.4 −20.0 10.1 14.2 3.61 3.42 1.06 8.79 3.09 0.15 5.64 Weak
25 51QLY 19 508.5 7.62 −173.7 −199.8 186.3 16.5 8.3 11.7 6.74 6.20 1.09 9.67 3.02 0.13 6.14 Weak
26 51SFB 8 379.3 12.34 558.2 −585.7 571.8 −85.0 79.1 82.0 6.98 2.73 2.55 4.10 9.58 0.99 48.53 Strong
27 51SPA 56 374.4 3.82 −186.6 131.6 156.7 −6.9 −8.0 7.5 6.59 6.01 1.10 10.60 2.30 0.08 2.82 Weak
28 51TQL 8 526.3 7.86 −122.1 116.2 119.1 3.5 −3.4 3.5 8.30 7.67 1.08 7.76 3.13 0.16 10.76 Medium
29 51WCW 9 511.2 7.81 957.3 652.4 790.3 −53.4 45.0 49.1 8.74 2.15 4.07 4.54 10.50 1.01 44.78 Strong
30 51XJD 9 370.2 2.45 −94.9 132.1 112.0 −5.9 −9.9 7.7 5.32 3.66 1.45 1.63 0.05 2.85 Medium
31 62SHW 9 419.0 2.80 −91.4 108.8 99.7 −9.2 6.1 7.5 4.59 5.81 0.79 2.58 0.09 3.79 None
32 62WIX 9 584.6 1.50 −142.6 −141.1 141.9 11.8 9.1 10.4 0.94 0.00 0.22 None
33 62WUD 32 227.8 5.50 −184.8 −163.9 174.1 −16.5 13.5 14.9 1.07 1.12 0.96 4.69 5.00 0.30 8.94 Medium
  1. “–” means that F p and fNL cannot be identified
  2. aThe V S30 data were taken from the NGA-West2 database (http://peer.berkeley.edu/ngawest2/databases/)
  3. bStations 51MXT and 62WIX are located at rock sites, and the other stations are located at alluvial sites based on station construction reports