Phase Data

Explanation of Parameters


     16 APR 2011  (106)

     ot  = 05:49:22.21   +/-   2.00              SOUTH ISLAND OF NEW ZEALAND     
     lat =     -43.626   +/-    6.8
     lon =     172.837   +/-    6.9              MAGNITUDE 5.2 (GS)       
     dep =         9.2   +/-    2.9   

     16 km (10 miles) ESE of Christchurch, New Zealand (pop 367,000)
     232 km (144 miles) SSE of Westport, New Zealand
     304 km (189 miles) SSW of WELLINGTON, New Zealand
     311 km (193 miles) NE of Dunedin, New Zealand

     nph =   46 of  47    se = 0.98    FE=162                            A   

     error ellipse = (133.0,  1.0, 11.8;223.0,  3.0,  9.0; 24.0, 86.0,  4.4)

 mb = 5.2 ( 17)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 CRLZ ePg     05:49:25.10  -0.6    0.2 288                                   CRLZ
      eSg     05:49:27.28  S res =  -0.8 
 MQZ  ePg     05:49:25.73   0.1    0.2 239                                   MQZ 
      ee      05:49:26.47   0.0X
      eSg     05:49:29.12  S res =   1.2 
 OXZ  ePg     05:49:34.05  -0.8    0.7 297                                   OXZ 
 LTZ  ePg     05:49:40.12  -0.1    0.9 334                                   LTZ 
      eSg     05:49:52.69  S res =   0.2 
 KHZ  ePn     05:49:46.00  -0.7    1.3  23                                   KHZ 
 RPZ  ePn     05:49:46.05  -0.4    1.3 265                                   RPZ 
 THZ  ePn     05:49:53.91  -0.4    1.9   2                                   THZ 
 LBZ  ePn     05:49:56.63  -0.3    2.1 247                                   LBZ 
 ODZ  ePn     05:49:56.79  -1.0    2.1 227                                   ODZ 
 FOZ  ePn     05:49:59.25   0.4    2.2 271                                   FOZ 
 SNZO ePn     05:50:04.77  -0.9    2.7  32                                   SNZO
 WKZ  ePn     05:50:09.46  -0.4    3.0 245                                   WKZ 
 MLZ  ePn     05:50:19.75  -1.1    3.8 241                                   MLZ 
 BFZ  ePn     05:50:20.60  -1.4    3.9  42                                   BFZ 
 WHZ  ePn     05:50:24.46  -1.3    4.2 235                                   WHZ 
 DCZ  ePn     05:50:29.27  -0.6    4.5 244                                   DCZ 
 PYZ  ePn     05:50:36.91  -1.2    5.1 238                                   PYZ 
 BKZ  ePn     05:50:39.23  -1.4    5.2  33                                   BKZ 
 HIZ  ePn     05:50:41.98   0.1    5.3  17                                   HIZ 
 URZ  ePn     05:50:52.70  -2.0    6.3  33                                   URZ 
 MXZ  ePn     05:51:09.16  -0.4    7.4  36                                   MXZ 
 OUZ  ePn     05:51:24.79   0.6    8.4   4                                   OUZ 
 TAU  eP      05:53:38.84  -0.5   18.6 263 b:6.0+1 1.3 4.6                   TAU 
 CAN  eP      05:53:57.43   0.9   20.1 286 b:1.5+2 2.0 5.0                   CAN 
 ARMA eP      05:54:10.52   0.4   21.4 301 b:9.9+1 2.0 4.9                   ARMA
 EIDS eP      05:54:50.22   0.0   25.4 309 b:5.8+1 1.7 5.0                   EIDS
 BBOO eP      05:55:36.54   0.0   30.6 278 b:5.1+1 1.2 5.3                   BBOO
 AS01 eP      05:56:36.34  -0.6   37.6 289                                   AS01
 AS31 eP      05:56:37.35   0.2   37.6 289 b:1.8+1 1.1 4.7                   AS31
 WB2  eP      05:56:56.00   0.0   39.8 294 b:1.3+2 1.6 5.3                   WB2 
 WRAB eP      05:56:56.28   0.3   39.8 294 b:1.2+2 1.5 5.3                   WRAB
      eS      06:02:58.79  S res =  -1.8 
 NWAO eP      05:57:34.83   3.4   44.2 265 b:1.1+2 1.5 5.5                   NWAO
 FITZ eP      05:57:54.61   0.6   47.0 287 b:2.4+1 1.0 5.2                   FITZ
 MTN  eP      05:57:55.24   0.6   47.1 298 b:4.2+1 1.1 5.4                   MTN 
 SBUM eP      06:00:41.16   1.1   70.9 293 b:2.3+1 1.1 5.2                   SBUM
 KSM  eP      06:00:44.15   0.7   71.5 291 b:2.3+1 .90 5.3                   KSM 
 PSI  eP      06:01:35.31   1.6   80.3 283 b:2.7+1 1.1 5.1                   PSI 
 GSI  eP      06:01:37.56   4.0   80.3 281 b:1.1+2 1.1 5.8                   GSI 
 KULM eP      06:01:39.61   2.7   80.9 286 b:4.5+1 1.1 5.4                   KULM
 KS01 eP      06:02:24.84   1.1   90.4 326                                   KS01
 CM01 eP      06:02:30.09   1.4   91.4 294                                   CM01
 CHTO eP      06:02:34.33   4.3   91.7 294 b:3.5+1 1.8 5.4                   CHTO



 Generated 2011 APR 16 at 06:08 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver