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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      2 MAY 2008  (123)

     ot  = 20:11:41.48   +/-   0.31              TAJIKISTAN                      
     lat =      37.408   +/-    5.0
     lon =      71.671   +/-    4.4              MAGNITUDE 4.3 (GS)       
     dep =       118.4  (depth phases)

     20 km (10 miles) SE of Khorugh, Tajikistan (pop 20,000)
     105 km (65 miles) ENE of Feyzabad, Afghanistan (pop N/A)
     175 km (105 miles) N of Chitral, Pakistan
     285 km (175 miles) ESE of DUSHANBE, Tajikistan

     nph =   52 of  87    se = 1.05    FE=717                            A   

     error ellipse = (154.5,  0.0,  6.7; 64.5,  0.0,  5.6;  0.0,  0.0,  0.0)

 mb = 4.3 ( 29)  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
 KBL  ePn     20:12:33.96  -1.5    3.6 217 d:4.0+2     5.7X L:1.7+0 .38 4.7X KBL 
      eSn     20:13:09.61  S res =  -7.5X  g:8.4-1 .70 4.3X
 AML  ePn     20:12:54.32   0.0    5.0  18 d:4.3+2     6.3X L:7.6-1 .58 4.7X AML 
      eSn     20:13:37.96  S res = -13.0X  g:4.8-1 .70 4.3X
 UCH  ePn     20:12:58.52  -0.1    5.3  24 d:4.6+2     6.5X L:2.6-1 .68 4.3X UCH 
      eSn     20:13:45.62  S res = -13.2X  g:1.5-1 .68 3.9X b:5.0+1 .58 4.9 
 EKS2 ePn     20:13:01.09   0.0    5.5  16 d:4.3+2     6.5X L:1.9-1 1.1 4.2X EKS2
      eSn     20:13:47.89  S res = -15.3X  g:2.1-1 1.1 3.8X b:5.9+1 .58 5.0 
 AAK  ePn     20:13:03.56   0.2    5.7  22 d:4.3+2     6.6X L:1.8-1 .55 4.2X AAK 
      eSn     20:14:00.87  S res =  -6.4X  g:1.5-1 .95 3.8X b:9.5+1 .55 5.2 
 TKM2 ePn     20:13:11.66  -0.1    6.3  27 d:3.9+2     6.7X L:7.9-2 .50 4.0X TKM2
                                           g:6.6-2 .80 3.5X b:4.1+1 .50 5.0 
 MKAR P       20:14:30.65  -1.1   12.2  37                                   MKAR
 MK31 ePn     20:14:31.10  -0.6   12.2  37                                   MK31
 KURK ePn     20:14:52.74  -4.3X  14.2  18 g:1.3-2 1.0 3.3X b:5.5+0 .85 3.8  KURK
 ABKARePn     20:14:58.54  -3.2X  14.6 328 g:1.5-2 .63 3.6X b:6.6+0 .38 4.3  ABKA
      eSn     20:17:25.80  S res = -16.8X
 BVAR P       20:15:13.49  -1.7   15.6 357                                   BVAR
 BRVK ePn     20:15:13.51  -2.1   15.7 357 g:1.0-2 .95 3.3X b:8.4+0 .80 4.1  BRVK
 AKTK P       20:15:23.75   0.7   16.3 327                                   AKTK
      S       20:18:10.70  S res = -13.1X
 LSA  eP      20:15:43.19   0.3   17.9 110 g:2.8-2 1.0 3.8X b:1.2+1 .60 4.3  LSA 
 ZALV P       20:15:52.45   0.2   18.9  25                                   ZALV
      S       20:19:18.83  S res =  -1.4X
 ARU  ePn     20:16:13.17  -1.6   21.0 339 g:9.1-3 .85 3.5X b:9.1+0 .85 4.2  ARU 
 GNI  eP      20:16:18.99   1.9X  21.1 286 g:4.8-2 1.0 4.2X b:3.2+1 .75 4.8  GNI 
 KIV  eP      20:16:33.01  -1.8   22.9 296 g:1.9-2 .75 4.0X b:1.9+1 .75 4.5  KIV 
      eS      20:20:36.83  S res =  -1.5X
 MALT eP      20:17:06.61   1.6   26.2 282 g:2.1-3 .90 3.0X b:2.1+0 .90 3.7  MALT
      e       20:17:31.48  depth = 115.8X
      e       20:17:46.21  -0.8X
 SONM P       20:17:16.50   0.8   27.4  57                                   SONM
      pP      20:17:42.96  depth = 123.3 
      LR      20:28:59.53                                  
 ULN  eP      20:17:20.63   1.0   27.8  57 b:1.1+0 .62 3.7                   ULN 
 BRTR P       20:17:37.06   0.9   29.7 286                                   BRTR
      pP      20:18:03.05  depth = 119.3 
      sP      20:18:15.30  -0.4X
 BR131eP      20:17:37.37   1.2   29.7 286 g:1.6-3 .65 3.1X b:1.1+0 .48 3.9  BR13
 CMAR P       20:17:42.58  -0.3   30.4 121                                   CMAR
 CHTO qP      20:17:43.03   2.3   30.2 120                                   CHTO
 OBN  eP      20:17:43.11   7.9X  29.6 318                                   OBN 
 ENH  eP      20:17:57.80   0.8   32.0  92 b:5.0+0 .88 4.3                   ENH 
 KIEV eP      20:18:03.34   0.0   32.8 308 b:2.3+0 .60 4.1                   KIEV
      e       20:18:28.74  depth = 114.0X
 AKASGP       20:18:03.59   0.3   32.8 308                                   AKAS
      pP      20:18:29.10  depth = 114.5 
      sP      20:18:43.41   0.4X
 BUR08eP      20:18:25.29   0.6   35.3 302                                   BUR0
 FINESP       20:18:40.13   0.7   37.0 325                                   FINE
      pP      20:19:06.68  depth = 115.4 
      LR      20:35:02.18                                  
 IDI  P       20:18:43.20  -0.1   37.4 281                                   IDI 
 GVD  eP      20:18:49.23  -0.4   38.2 281 b:2.2+1 1.0 4.9                   GVD 
      e       20:19:30.60   0.9X
 MORC eP      20:19:06.65   0.0   40.3 306 b:1.8+0 .61 4.0                   MORC
 KEV  qP      20:19:07.54   2.1X  40.2 338 b:8.1+0 .94 4.5                   KEV 
 ARCESP       20:19:09.70   1.3   40.5 337                                   ARCE
 TIP  eP      20:19:25.79   0.1   42.6 290 b:9.1+0 1.3 4.4                   TIP 
 YAK  qP      20:19:27.82  -0.2   42.9  36 b:2.2+1 .78 5.0                   YAK 
 GERESP       20:19:29.12   1.3   42.9 305                                   GERE
      pP      20:19:55.35  depth = 113.7 
      sP      20:20:09.55   1.3X
 NOA  P       20:19:36.92   0.3   44.0 322                                   NOA 
      sP      20:20:17.62   0.5X
      LR      20:37:41.85                                  
 TIXI eP      20:19:42.71   0.3   44.7  22 b:4.4+0 .70 4.3                   TIXI
 KMBO eP      20:20:23.12   0.2   49.8 228 b:1.9+0 .59 4.2                   KMBO
 MAJO qP      20:20:38.88  -0.7   52.1  69 b:6.3+0 .92 4.5                   MAJO
 MJAR P       20:20:39.69   0.1   52.1  69                                   MJAR
 ESLA qP      20:21:18.29  -0.1   57.5 298 b:1.2+0 1.0 3.8                   ESLA
 ESDC P       20:21:18.77   0.4   57.5 298                                   ESDC
      pP      20:21:47.08  depth = 117.2 
 TOA0 eP      20:22:16.04  -1.6   66.3 269                                   TOA0
 TORD P       20:22:16.15  -1.5   66.3 269                                   TORD
 RES  qP      20:22:26.93   0.7   67.8 356 b:6.3-1 .71 3.6                   RES 
 INK  eP      20:22:58.33   1.1   72.9  10 b:2.2+0 .58 4.1                   INK 
 COLA eP      20:23:01.07   0.7   73.5  16 b:5.7+0 .80 4.4                   COLA
 BOSA P       20:23:31.92   0.7   78.8 220                                   BOSA
 YKA  P       20:23:39.63   0.7   80.3   3                                   YKA 
      pP      20:24:09.05  depth = 114.6 
 WRA  P       20:23:45.94  -2.6   82.0 122                                   WRA 
      pP      20:24:16.64  depth = 119.7 
 WRAB eP      20:23:55.27   6.7X  82.0 122 b:4.3+0 1.0 4.2                   WRAB
 FCC  eP      20:23:55.89   0.5   83.5 353 b:4.0-2 .78 2.4X                  FCC 
 ASAR P       20:23:58.51  -1.9   84.3 125                                   ASAR
      pP      20:24:31.36  depth = 128.3 
 STKA P       20:24:50.22   0.1   94.9 127                                   STKA



 Generated 2008 MAY 20 at 22:19 UTC

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


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