Phase Data

Explanation of Parameters


     12 FEB 2013  ( 43)

     ot  = 02:55:17.14   +/-   3.17              XIZANG-QINGHAI BORDER REGION    
     lat =      32.759   +/-   13.5
     lon =      94.394   +/-   17.3              MAGNITUDE 4.6 (GS)       
     dep =        38.1   +/-    7.0   

     243 km (151 miles) SE of Tanggulashan, Qinghai, China
     246 km (153 miles) W of Gyegu (Yushu), Qinghai, China
     263 km (163 miles) ENE of Nagqu, Xizang (Tibet), China
     2122 km (1318 miles) WSW of BEIJING, Beijing, China

     nph =   52 of  58    se = 1.56    FE=306                            A   

     error ellipse = ( 84.0,  9.0, 26.8;176.0,  9.0, 20.8;309.0, 76.0,  9.4)

 mb = 4.6 ( 24)  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
 SHL  ePn     02:57:02.98  -1.1    7.5 198                                   SHL 
 MK01 ePn     02:59:08.15  -0.9   16.8 330                                   MK01
 MK31 ePn     02:59:08.87  -0.5   16.8 330                                   MK31
 MKAR ePn     02:59:08.87  -0.5   16.8 330 b:2.5+1 .60 4.5                   MKAR
 MAKZ ePn     02:59:10.59  -0.6   16.9 330 b:1.1+1 1.2 3.9                   MAKZ
 SONA1ePn     02:59:14.06  -5.5   17.6  28                                   SONA
 PBKT ePn     02:59:15.08   0.8   17.2 158 b:2.8+1 1.4 4.2                   PBKT
 NIL  ePn     02:59:19.38  -1.4   17.7 279 b:1.5+1 .60 4.3                   NIL 
 AAK  eP      02:59:31.36   0.7   18.5 308 b:1.6+1 1.1 4.1                   AAK 
 GAR  eP      02:59:50.43  -1.0   20.4 295 b:4.3+1 1.1 4.7                   GAR 
 KURK eP      02:59:58.26  -2.9   21.4 332 b:2.7+1 .65 4.8                   KURK
 KBL  eP      02:59:59.34   0.0   21.2 282 b:1.3+2 1.3 5.1                   KBL 
 KK31 eP      03:00:01.12  -0.6   21.4 306                                   KK31
 KKAR eP      03:00:01.12  -0.6   21.4 306                                   KKAR
 ZALV eP      03:00:08.15  -2.4   22.3 345                                   ZALV
      eS      03:04:17.50  S res =   4.3 
 ZAA0 eP      03:00:09.15  -1.4   22.3 345 b:5.8+0 .95 4.0                   ZAA0
      eS      03:04:18.00  S res =   4.8 
 BRVK eP      03:00:50.22  -2.1   26.7 327 b:4.5+0 .70 4.2                   BRVK
 ABKAReP      03:01:27.47   1.5   30.4 313                                   ABKA
 ARU  eP      03:01:59.35   0.8   34.2 325 b:6.1+0 .90 4.5                   ARU 
 BR131eP      03:03:58.75   1.0   48.7 296                                   BR13
 AK11 eP      03:04:07.45  -1.5   50.2 311                                   AK11
 KIEV eP      03:04:09.42   0.7   50.2 311 b:7.4+0 .90 4.7                   KIEV
 AKBB eP      03:04:09.67   1.0   50.2 311 b:8.2+0 .95 4.7                   AKBB
 BUR04eP      03:04:29.82  -1.7   53.2 308                                   BUR0
 MLR  eP      03:04:29.98  -0.9   53.1 305 b:2.1+1 1.0 5.1                   MLR 
 BILL eP      03:04:30.29  -2.1X  53.4  26 b:1.6+1 .60 5.2                   BILL
 BUR08eP      03:04:30.55  -1.0   53.2 308                                   BUR0
 VTS  eP      03:04:50.69   1.1   55.6 302 b:9.1+0 1.2 4.7                   VTS 
 OJC  eP      03:04:51.64  -1.4   56.2 312 b:7.6+0 .70 4.8                   OJC 
 MORC eP      03:05:05.14   1.3   57.7 312 b:6.2+0 .80 4.7                   MORC
 NC405eP      03:05:09.25   0.2   58.5 326                                   NC40
 NC204eP      03:05:11.97   0.0   58.9 326                                   NC20
 NAO01eP      03:05:12.17   0.0   58.9 325                                   NAO0
 GEA0 eP      03:05:20.37  -2.1   60.4 312                                   GEA0
 GEC2 eP      03:05:23.76   1.3   60.4 312 b:1.5+1 1.4 4.9                   GEC2
 AS01 eP      03:06:07.99  -2.2X  67.6 141                                   AS01
 TOLK eP      03:06:12.02  -3.5X  68.6  21 b:5.7+0 .80 4.7                   TOLK
      ePcP    03:06:40.97   0.5 
 MLY  eP      03:06:22.36  -4.0X  70.3  24 b:3.7+0 .84 4.4                   MLY 
      epP     03:06:43.80  depth =   4.4 
 PSI  eS      03:06:23.26   2.0   30.2 171                                   PSI 
 PPLA eP      03:06:30.66  -0.2   71.0  26 b:8.9+0 .68 4.9                   PPLA
 IL1  eP      03:06:32.99  -2.1X  71.8  23                                   IL1 
 SCRK eP      03:06:40.18  -3.9X  73.2  23 b:8.3+0 1.0 4.6                   SCRK
 COLD ePcP    03:06:41.94  -1.1   69.2  22                                   COLD
 CAST epP     03:06:42.00  -0.2   70.8  26                                   CAST
 BPAW epP     03:06:44.30   2.1   70.8  25                                   BPAW
 TRF  epP     03:06:48.43   2.4   71.4  25                                   TRF 
 SUA  epP     03:06:49.70  -2.5   72.4  27                                   SUA 
 RND  epP     03:06:51.92   2.6   71.9  25                                   RND 
 RC01 epP     03:06:53.91  -2.0   73.0  27                                   RC01
 SML  epP     03:06:57.40   1.0   73.1  26                                   SML 
 KNK  epP     03:06:57.80   0.2   73.3  27                                   KNK 
 ES19 eP      03:06:59.05   0.9   75.6 308                                   ES19
 SCM  epP     03:07:01.16   2.7   73.5  26                                   SCM 
 TAM  eP      03:07:07.94   0.7   77.1 289 b:4.4+0 1.1 4.4                   TAM 



 Generated 2013 FEB 12 at 03:18 UTC

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