Phase Data

Explanation of Parameters


     18 MAR 2011  ( 77)

     ot  = 09:36:27.04   +/-   1.60              CENTRAL KAZAKHSTAN              
     lat =      43.046   +/-    7.1
     lon =      74.902   +/-    3.8              MAGNITUDE 4.5 (GS)       
     dep =        10.0   +/-    2.0   

     30 km (20 miles) NE of BISHKEK (Frunze), Kyrgyzstan (pop 750,000)
     170 km (105 miles) W of Almaty, Kazakhstan
     200 km (125 miles) NNW of Naryn, Kyrgyzstan
     225 km (140 miles) ENE of Talas, Kyrgyzstan

     nph =   25 of  25    se = 0.79    FE=713                            A   

     error ellipse = (180.0,  2.0, 10.9; 90.0,  3.0,  5.9;305.0, 85.0,  3.0)

 mb = 4.5 (  1)  ML = 4.5 ( 12)  mblg = 3.9 (  4)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 AAK  ePg     09:36:36.49  -0.5    0.5 216 L:6.8+3 .57 4.4                   AAK 
      ePg     09:36:36.50  -0.4 
      eSg     09:36:43.08  S res =  -0.7 
      eSg     09:36:43.10  S res =  -0.5 
 TKM2 ePg     09:36:36.84  -0.5    0.5 104 L:1.0+2 .32 4.7                   TKM2
      eSg     09:36:43.84  S res =  -0.4 
 EKS2 ePg     09:36:44.20  -0.4    0.9 246 L:8.6+0 .60 4.0                   EKS2
      eSg     09:36:56.70  S res =   0.2 
 KKAR ePn     09:37:18.55   0.9    3.2 273                                   KKAR
 MAKZ ePn     09:38:00.56   0.9    6.3  51 L:5.0-1 1.2 4.8                   MAKZ
 MK31 ePn     09:38:02.54   0.5    6.5  52                                   MK31
 MKAR ePn     09:38:02.54   0.5    6.5  52                                   MKAR
 MK01 ePn     09:38:03.12   1.2    6.4  52                                   MK01
 KURK ePn     09:38:23.54  -0.9    8.1  17 L:1.1+0 1.0 5.6  g:8.8-1 .95 4.8  KURK
 KBL  ePn     09:38:48.68   2.6    9.6 210 g:2.0-2 .90 3.2                   KBL 
 BRVK ePn     09:38:55.72  -1.5   10.5 345                                   BRVK
 ABKARePn     09:39:18.01  -1.1   12.1 306                                   ABKA
 ZAA0 ePn     09:39:27.91   0.0   12.7  28                                   ZAA0
      ePn     09:39:28.00   0.1 
 ARU  ePn     09:40:22.26  -2.4   17.0 328 b:1.6+1 .70 4.3                   ARU 
 GNI  eP      09:41:31.14   2.4   22.7 273                                   GNI 
      epP     09:41:31.69  depth =   0.0 
 ULN  esP     09:41:42.62   6.6   23.0  67                                   ULN 
 BR131eP      09:42:44.60   0.6   30.9 278                                   BR13
 COLD eP      09:47:05.52  -0.2   64.9  18                                   COLD



 Generated 2011 MAR 18 at 09:50 UTC

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