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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     14 APR 2009  (104)

     ot  = 02:29:25.23   +/-   0.75              YUNNAN, CHINA                   
     lat =      25.969   +/-    4.3
     lon =      99.931   +/-    6.2                                       
     dep =        38.1   +/-    7.6   

     65 km (40 miles) NNW of Dali, Yunnan, China (pop 175,000)
     190 km (120 miles) WSW of Panzhihua (Dukou), Sichuan, China
     765 km (475 miles) WSW of Chongqing, Chongqing, China
     2175 km (1350 miles) SW of BEIJING, Beijing, China

     nph =   62 of  76    se = 0.57    FE=318                            A   

     error ellipse = (219.3, 58.3, 12.8; 86.1, 22.9,  9.2;346.9, 20.7,  4.5)

 mb = 4.7 ( 28)  ML = 0.0 (  0)  mblg = 3.5 (  8)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 CHTO ePn     02:31:08.04   0.3    7.2 188 d:2.6+2     6.7X L:1.0-1 1.0 4.2X CHTO
      eS      02:33:08.76  S res =  40.7X  g:9.5-2 1.0 3.7  b:4.0+1 1.1 5.2X
 CM31 ePn     02:31:11.47  -1.1    7.5 187 d:5.7+1     5.6X L:4.6-2 .60 4.0X CM31
      eS      02:33:18.44  S res =  41.7X  g:4.0-2 .85 3.4  b:2.5+1 .60 5.3X
 CMAR Pn      02:31:12.95   0.4    7.5 187                                   CMAR
      Pg      02:31:42.75
      Lg      02:33:24.25
 SONM P       02:34:19.74  -0.8   22.4  11                                   SONM
      S       02:38:25.54  S res =   0.5X
 ULN  eP      02:34:21.53  -0.7   22.6  13 g:1.1-2 1.2 3.5  b:1.1+1 1.2 4.2  ULN 
 MK31 eP      02:34:46.44   0.5   25.1 331                                   MK31
 MKAR P       02:34:46.75   0.8   25.1 331                                   MKAR
      PcP     02:38:20.80   0.9X
 TKM2 eP      02:34:55.17  -0.5   26.1 317 g:5.1-3 1.1 3.3  b:5.1+0 1.1 4.0  TKM2
 AAK  eP      02:35:00.54   0.0   26.6 315 g:2.7-2 1.0 4.1  b:2.1+1 .90 4.7  AAK 
      LR      02:46:30.87                                  
 EKS2 eP      02:35:05.49   0.8   27.1 314 g:5.6-3 .93 3.5  b:5.6+0 .93 4.2  EKS2
 KBL  eP      02:35:12.33   0.1   27.9 295 g:9.3-3 1.1 3.6  b:3.5+0 .48 4.3  KBL 
 KURK eP      02:35:26.82   0.1   29.6 332 g:3.5-3 .75 3.4  b:3.5+0 .75 4.2  KURK
 ZALV P       02:35:31.57   0.4   30.1 342                                   ZALV
 BRVK eP      02:36:13.87   0.3   35.0 329 b:7.1+0 .80 4.6                   BRVK
 BVAR P       02:36:13.95   0.9   34.9 329                                   BVAR
 ABKAReP      02:36:45.51   0.5   38.7 318 b:3.4+0 .73 4.3                   ABKA
 AKTO P       02:36:58.93   0.6   40.3 319                                   AKTO
 BRTR P       02:39:01.60   0.0   56.2 302                                   BRTR
 WRAB eP      02:39:04.44   0.2   56.6 140 b:1.0+1 1.1 4.8                   WRAB
 AK02 eP      02:39:15.04  -1.3   58.3 315                                   AK02
 AKASGP       02:39:15.60  -0.6   58.3 315                                   AKAS
 ASAR P       02:39:24.90   1.6   59.3 143                                   ASAR
 FINESP       02:39:27.02   0.3   59.9 328                                   FINE
 ARCESP       02:39:31.73   0.8   60.5 337                                   ARCE
 MLR  P       02:39:36.06   0.8   61.0 309                                   MLR 
 KWP  eP      02:39:45.77   0.3   62.6 314 b:1.6+1 1.2 5.0                   KWP 
 SPITSP       02:39:51.07   0.3   63.5 347                                   SPIT
 HFS  P       02:40:07.58   0.0   66.0 327                                   HFS 
 NOA  P       02:40:13.55  -0.6   67.0 328                                   NOA 
 GERESP       02:40:24.37   0.4   68.5 315                                   GERE
 STKA P       02:40:32.78   0.2   69.9 143                                   STKA
 CDF  eP      02:40:49.10  -0.4   72.7 316 b:4.7+0 .88 4.5                   CDF 
 GIVF eP      02:40:54.70  -0.1   73.6 318                                   GIVF
 PAGF eP      02:40:54.90   0.1   73.6 316 b:4.3+0 1.0 4.4                   PAGF
 BAIF eP      02:40:57.20   0.2   74.0 318 b:7.0+0 1.0 4.6                   BAIF
 CABF eP      02:40:57.30  -0.4   74.1 314                                   CABF
 MEZF eP      02:40:57.30   0.0   74.1 316                                   MEZF
 SFTF eP      02:40:57.60  -0.4   74.2 316                                   SFTF
 SBF  eP      02:40:57.60  -0.6   74.2 311                                   SBF 
 LPL  eP      02:40:57.70   0.0   74.1 313 b:1.4+1 .80 5.0                   LPL 
 LPG  eP      02:40:57.80   0.1   74.1 313 b:1.9+1 1.1 5.0                   LPG 
 MBDF eP      02:40:58.80  -0.3   74.3 312 b:5.5+0 .77 4.6                   MBDF
 FRF  eP      02:41:01.20  -0.7   74.8 311 b:1.4+1 1.0 4.9                   FRF 
 ORIF eP      02:41:01.50  -0.5   74.9 313 b:1.2+1 1.0 4.8                   ORIF
 LMR  eP      02:41:02.40  -0.5   75.0 311 b:2.0+1 1.1 5.0                   LMR 
 SMF  eP      02:41:05.30  -0.5   75.5 315 b:1.7+1 1.1 4.9                   SMF 
 SSF  eP      02:41:05.70  -0.4   75.6 315 b:1.3+1 1.0 4.8                   SSF 
 VIVF eP      02:41:06.50  -0.2   75.7 313 b:6.3+0 .92 4.6                   VIVF
 AVF  eP      02:41:06.80  -0.4   75.8 315 b:1.2+1 1.0 4.8                   AVF 
 ILAR P       02:41:08.77   0.5   76.0  24                                   ILAR
 EKA  P       02:41:08.96   0.3   76.1 325                                   EKA 
 LASF eP      02:41:11.50   0.0   76.5 313 b:1.8+1 1.1 5.0                   LASF
 TCF  eP      02:41:12.50   0.0   76.7 315 b:2.0+1 1.1 5.0                   TCF 
 CAF  eP      02:41:16.40   0.2   77.4 314 b:2.3+1 1.3 5.0                   CAF 
 RJF  eP      02:41:17.60   0.3   77.6 314 b:2.4+1 1.1 5.1                   RJF 
 GRR  eP      02:41:18.20   0.0   77.7 318                                   GRR 
 ETSF eP      02:41:30.70   0.3   79.9 313 b:1.1+1 1.0 4.8                   ETSF
 ESDC P       02:41:50.72   0.5   83.7 311                                   ESDC
 YKA  P       02:42:09.15  -0.1   87.6  15                                   YKA 
 TORD P       02:42:28.55  -0.1   91.6 285                                   TORD
 KSAR LR      02:44:42.61         26.3  57                                   KSAR
 JNU  LR      02:46:21.71         27.8  68                                   JNU 
 SRU  ePKPdf  02:47:50.05  -1.7  109.3  25                                   SRU 
 TXAR PKP     02:48:13.29  -0.1  120.5  24                                   TXAR
 MJAR LR      02:51:19.78         34.2  63                                   MJAR
 ASAJ LR      02:52:23.40         38.8  51                                   ASAJ
 KBZ  LR      03:00:20.23         49.1 306                                   KBZ 
 GNI  LR      03:02:52.11         47.7 302                                   GNI 
 MMAI LR      03:08:37.82         55.8 294                                   MMAI



 Generated 2009 MAY  4 at 00:42 UTC

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


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