Phase Data

Explanation of Parameters


     13 APR 2010  (103)

     ot  = 23:49:38.30   +/-   0.22              SOUTHERN QINGHAI, CHINA         
     lat =      33.228   +/-    5.1
     lon =      96.573   +/-    4.0              MAGNITUDE 6.9 (UCMT)     
     dep =        17.0  (geophysicist)

     50 km (30 miles) WNW of Gyegu (Yushu), Qinghai, China (pop N/A)
     240 km (150 miles) NNW of Qamdo, Xizang (Tibet), China
     370 km (230 miles) WNW of Garze, Sichuan, China
     1920 km (1190 miles) WSW of BEIJING, Beijing, China
 
     At least 2183 people killed, 84 missing, 12,135 injured and many
     buildings damaged in Yushu County.

     nph =  137 of 175    se = 1.25    FE=325                            A   

     error ellipse = ( 21.2,  0.0,  7.0;111.2,  0.0,  4.8;  0.0,  0.0,  0.0)

 mb = 6.6 ( 88)  ML = 0.0 (  0)  mblg = 5.4 (  6)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 LSA  iPnd    23:51:06.95   2.7    5.8 234 L:1.6+1 1.2 6.2X g:1.9+1 1.2 5.8  LSA 
      eSn     23:52:14.93  S res =   4.2X
 ENH  ePn     23:52:20.09  -0.1   11.4 102 g:1.9+0 1.1 5.3                   ENH 
 ULN  ePn     23:53:29.44  -1.2   16.6  25 b:1.3+3 1.2 5.9                   ULN 
      eSn     23:56:30.91  S res =  -3.9X
 BJT  iPnd    23:53:35.13  -1.5   17.1  61 g:5.4-1 .90 5.1  b:2.0+3 1.4 6.0  BJT 
 QIZ  eP      23:53:51.60  -1.7   18.5 137 g:2.9+0 1.4 5.7  b:2.9+3 1.4 6.3  QIZ 
      eS      23:57:19.96  S res =   0.5X
 TLY  ePn     23:54:02.21   0.7   19.1  14 b:5.3+3 2.2 6.4                   TLY 
 TKM2 ePn     23:54:02.34   1.1   19.1 307 b:1.1+3 1.0 6.1                   TKM2
 AAK  eP      23:54:08.50   1.1   19.7 305 b:1.4+3 1.1 6.2                   AAK 
 EKS2 eP      23:54:14.39   1.6   20.2 304 b:1.3+3 .95 6.3                   EKS2
 KURK eP      23:54:29.51  -0.8   21.9 328 b:1.8+3 1.0 6.5                   KURK
 KKAR eP      23:54:39.16   0.5   22.7 303                                   KKAR
 KBL  eP      23:54:40.31  -0.8   22.9 281 b:1.1+4 1.3 7.2                   KBL 
 TATO eP      23:54:44.46  -0.3   23.2 104 b:2.6+3 1.4 6.6                   TATO
 SSLB eP      23:54:44.55  -1.5   23.4 107 b:1.9+3 1.3 6.5                   SSLB
 HIA  ePd     23:54:47.14  -0.6   23.5  40 g:1.3+0 1.3 5.6  b:1.3+3 1.3 6.3  HIA 
 YOJ  eP      23:54:56.70  -1.8   24.7 104 b:2.0+2 .80 5.8                   YOJ 
 INCN eP      23:54:58.90  -0.7   24.8  72 b:1.4+3 1.1 6.5                   INCN
 MDJ  eP      23:55:26.07  -1.3   27.9  56 g:2.9-1 1.3 5.0  b:1.8+2 1.1 5.7  MDJ 
 JOW  eP      23:55:27.53  -1.8   28.1  95 b:2.5+2 1.5 5.7                   JOW 
 LHMI eP      23:55:29.75   2.6   27.9 179 b:1.5+3 1.3 6.6                   LHMI
 JNU  eP      23:55:33.74  -0.3   28.6  81 b:5.6+2 1.6 6.1                   JNU 
 PALK eP      23:55:41.87  -1.9   29.7 213 b:1.2+3 2.1 6.4                   PALK
 ABKAReP      23:55:59.72   0.7   31.5 312                                   ABKA
 BKNI eP      23:56:12.90   0.4   33.0 172 b:1.1+3 .90 6.8                   BKNI
 MAJO eP      23:56:19.75  -2.5   34.1  73 b:2.2+2 1.0 6.0                   MAJO
 ARU  eP      23:56:28.50   0.0   34.9 323                                   ARU 
 YAK  eP      23:56:37.07   1.5   35.7  26                                   YAK 
 ASAJ eP      23:56:47.68  -0.1   37.1  59                                   ASAJ
 YSS  eP      23:56:50.15   0.3   37.4  55 b:5.3+2 1.1 6.2                   YSS 
 ERM  eP      23:56:52.40   1.0   37.5  63                                   ERM 
 DAV  eP      23:56:54.06   3.4X  37.4 128 b:3.0+3 1.3 6.9                   DAV 
 CBIJ eP      23:57:05.08  -4.4X  39.7  86                                   CBIJ
 GNI  eP      23:57:28.23   2.3   41.6 295 b:6.6+2 1.0 6.3                   GNI 
 TIXI eP      23:57:28.57  -0.5   42.1  15                                   TIXI
 KIV  eP      23:57:35.70   0.7   42.8 301                                   KIV 
 TNTI eP      23:57:39.10  -0.6   43.3 132                                   TNTI
 UGM  eP      23:57:39.26   2.3   43.0 160 b:1.4+3 1.8 6.4                   UGM 
 KAPI eP      23:57:42.85  -1.5   43.9 146                                   KAPI
 XMIS eP      23:57:46.71  -0.8   44.3 167 b:1.4+3 1.1 6.7                   XMIS
 COCO eP      23:57:53.43  -0.7   45.2 180                                   COCO
 RAYN eP      23:57:56.51  -1.2   45.6 271 b:5.8+2 1.2 6.4                   RAYN
 OBN  eP      23:58:05.52   0.4   46.6 317                                   OBN 
 PET  eP      23:58:14.55   0.0   47.8  46                                   PET 
 FAKI eP      23:58:24.40  -2.0   49.3 130 b:4.0+2 1.0 6.4                   FAKI
 LVZ  eP      23:58:24.68  -0.1   49.1 334 b:8.7+2 1.4 6.6                   LVZ 
 SOEI eP      23:58:31.05  -2.6X  50.2 143 b:5.9+2 .80 6.6                   SOEI
 ANTO eP      23:58:37.66   0.5   50.7 297                                   ANTO
 DAMY eP      23:58:38.30   1.0   50.7 262                                   DAMY
 KIEV eP      23:58:40.65  -0.2   51.2 311 b:8.9+2 1.3 6.5                   KIEV
 CSS  eP      23:58:44.49   0.6   51.6 291                                   CSS 
 BILL eP      23:58:46.88   0.1   52.1  27 b:4.0+2 1.0 6.3                   BILL
 KEV  eP      23:58:48.46   0.9   52.2 336                                   KEV 
 SAUI eP      23:58:50.91  -0.6   52.6 135                                   SAUI
 TIRR eP      23:58:52.77  -0.1   52.8 303                                   TIRR
 ISP  eP      23:58:53.88  -0.1   53.0 295                                   ISP 
 SUW  eP      23:59:04.03  -0.3   54.4 316                                   SUW 
 KBS  eP      23:59:21.50   1.8   56.6 347                                   KBS 
 SANT eP      23:59:22.81  -2.0X  57.2 295                                   SANT
 PSZ  eP      23:59:29.19   0.8   57.8 309                                   PSZ 
 DPC  eP      23:59:39.31  -0.1   59.4 313                                   DPC 
 KONO eP      23:59:46.10  -1.0   60.5 324                                   KONO
 RUE  eP      23:59:46.43   0.8   60.3 316                                   RUE 
 KHC  eP      23:59:53.49  -0.1   61.4 312                                   KHC 
 GAMB eP      23:59:54.00   0.4   61.5  30                                   GAMB
 GRFO eP      00:00:02.36   0.3   62.7 313                                   GRFO
 TIP  eP      00:00:03.00   0.5   62.7 301                                   TIP 
 CDF  eP      00:00:20.00  -1.1   65.6 313 b:2.1+3 1.7 7.0                   CDF 
 HINF eP      00:00:23.00  -1.2   66.1 312 b:1.4+3 1.7 6.8                   HINF
 HAU  eP      00:00:24.50  -1.2   66.3 313 b:7.0+2 1.4 6.6                   HAU 
 GIVF eP      00:00:25.30  -0.8   66.4 315 b:5.0+2 1.1 6.6                   GIVF
 PAGF eP      00:00:26.10  -0.6   66.5 314 b:6.1+2 1.5 6.5                   PAGF
 BAIF eP      00:00:27.80  -0.7   66.8 316 b:1.1+3 1.5 6.8                   BAIF
 PGF  eP      00:00:28.20  -1.0   66.8 307 b:2.8+3 1.6 7.2                   PGF 
 MEZF eP      00:00:28.70  -0.7   66.9 314 b:2.1+3 1.7 7.0                   MEZF
 SFTF eP      00:00:29.20  -1.1   67.0 313 b:2.0+3 1.4 7.1                   SFTF
 CABF eP      00:00:29.20  -1.3   67.0 312 b:4.3+2 1.2 6.5                   CABF
 LPL  eP      00:00:30.30  -0.7   67.1 310 b:1.8+3 1.1 7.1                   LPL 
 LPG  eP      00:00:30.50  -0.5   67.1 310 b:9.2+2 .94 6.9                   LPG 
 MBDF eP      00:00:31.00  -1.8   67.4 309 b:5.1+2 1.0 6.6                   MBDF
 SBF  eP      00:00:31.10  -1.2   67.3 308 b:1.7+3 1.2 7.1                   SBF 
 ORIF eP      00:00:34.60  -1.3   67.9 310 b:8.4+2 1.0 6.8                   ORIF
 FRF  eP      00:00:34.90  -1.4   68.0 308 b:1.4+3 1.5 6.9                   FRF 
 LOR  eP      00:00:35.80  -1.6   68.1 313 b:7.1+2 1.3 6.6                   LOR 
 LMR  eP      00:00:36.20  -1.2   68.1 308 b:2.1+3 1.5 7.1                   LMR 
 SSF  eP      00:00:37.90  -1.4   68.4 313 b:1.3+3 1.6 6.8                   SSF 
 SMF  eP      00:00:37.90  -1.3   68.4 312 b:2.7+3 1.5 7.2                   SMF 
 SMRF eP      00:00:38.70  -0.9   68.5 309 b:1.4+3 1.7 6.8                   SMRF
 AVF  eP      00:00:39.40  -1.2   68.7 313 b:2.4+3 1.5 7.1                   AVF 
 VIVF eP      00:00:39.70  -1.1   68.7 310 b:1.7+3 1.5 7.0                   VIVF
 HYF  eP      00:00:41.30  -0.7   68.9 313                                   HYF 
 BGF  eP      00:00:42.00  -1.2   69.1 313 b:8.0+2 1.2 6.7                   BGF 
 LASF eP      00:00:45.40  -0.8   69.5 310 b:9.7+2 1.2 6.8                   LASF
 TCF  eP      00:00:45.60  -0.9   69.6 312 b:1.1+3 1.0 6.9                   TCF 
 LDF  eP      00:00:47.20  -1.3   69.9 315 b:9.6+2 1.2 6.8                   LDF 
 FLN  eP      00:00:48.10  -1.2   70.1 316 b:1.2+3 1.4 6.8                   FLN 
 CAF  eP      00:00:50.20  -0.7   70.3 311 b:7.4+2 1.3 6.6                   CAF 
 GRR  eP      00:00:50.50  -1.2   70.5 315 b:4.7+2 .74 6.7                   GRR 
 RJF  eP      00:00:51.40  -0.4   70.5 312 b:2.5+3 1.6 7.1                   RJF 
 MFF  eP      00:00:53.30  -1.0   70.9 314 b:1.4+3 1.5 6.9                   MFF 
 MTLF eP      00:00:53.80  -0.9   70.9 310 b:1.5+3 1.8 6.8                   MTLF
 LFF  eP      00:00:55.30  -0.5   71.1 312 b:1.8+3 1.6 6.9                   LFF 
 SGMF eP      00:00:57.50  -0.7   71.5 316 b:2.2+3 1.6 7.0                   SGMF
 ROSF eP      00:00:59.80  -0.6   71.9 316 b:1.3+3 1.2 6.8                   ROSF
 QUIF eP      00:01:00.40  -0.9   72.1 316 b:9.0+2 1.2 6.7                   QUIF
 EPF  eP      00:01:01.40  -1.6   72.3 310 b:8.2+2 1.5 6.6                   EPF 
 ETSF eP      00:01:06.20  -0.6   72.9 310 b:3.6+2 .87 6.4                   ETSF
 SJPF eP      00:01:08.30  -0.3   73.3 311 b:2.6+2 1.0 6.2                   SJPF
 EVOP eP      00:01:47.70   0.2   80.1 310 b:9.2+2 1.5 6.5                   EVOP
 LBTB P       00:02:32.74   0.5   88.9 239 b:1.1+1 .18 5.9                   LBTB
 EDM  P       00:02:37.34   0.3   90.1  17                                   EDM 
 PGC  eP      00:02:42.25   0.8   91.0  25 b:1.3+1 1.3 5.1X                  PGC 
 VDB  P       00:02:43.57   1.4   91.2  24                                   VDB 
 MCW  P       00:02:44.96   2.5   91.2  25                                   MCW 
 MBW  P       00:02:45.41   1.7   91.4  24                                   MBW 
 OSD  P       00:02:47.14   2.6   91.6  26                                   OSD 
 ETW  P       00:02:52.37   1.5   93.0  24                                   ETW 
 WTV  P       00:02:52.58   1.6   93.0  24                                   WTV 
 SAW  P       00:02:53.51   1.7   93.2  23                                   SAW 
 TDL  P       00:02:54.75   2.0   93.4  26                                   TDL 
 ASR  P       00:02:56.68   2.1   93.8  26                                   ASR 
 BLMT eP      00:02:59.39   1.4   94.5  20 b:1.9+2 1.1 6.4                   BLMT
 BSMT P       00:02:59.71   1.7   94.5  21                                   BSMT
 VFP  P       00:03:00.18   2.0   94.5  26                                   VFP 
 EGMT qP      00:03:02.07  -1.4X  95.7  17 b:1.1+2 1.1 6.2                   EGMT
 DBIC eP      00:03:04.42   0.0   95.9 282 b:9.3+1 1.2 6.1                   DBIC
 LIC  eP      00:03:06.20   0.0   96.2 282 b:7.0+1 1.0 6.1                   LIC 
 LRM  P       00:03:10.64   1.0   97.0  20 b:3.2+2 1.3 6.7                   LRM 
 YFT  e       00:03:11.21  -6.1X  98.8  19 b:5.8+1 1.2 6.0                   YFT 
 AGMN P       00:03:16.80   2.9X  98.1   8 b:3.3+1 1.0 5.9                   AGMN
 LAO  P       00:03:18.00   5.1X  97.8  16 b:1.3+2 1.5 6.3                   LAO 
 GCMT P       00:03:21.18   8.1X  97.8  18 b:5.7+0 .42 5.5X                  GCMT
 H17A P       00:03:21.42   3.5X  98.9  19 b:6.2+1 1.3 6.0                   H17A
 WAKR P       00:03:30.80   2.6X 101.2  28 b:2.6+1 1.4 5.6                   WAKR
 TCUT P       00:03:33.45   3.2X 101.7  21 b:5.5+1 1.3 6.0                   TCUT
 JFWS e       00:03:33.67  -6.6X 104.0   5                                   JFWS
 R11A P       00:03:37.47   2.3X 102.8  25 b:1.5+2 1.5 6.5                   R11A
 MDV  P       00:03:38.28   4.3X 102.6 352 b:6.0+4 .78 9.3X                  MDV 
 TPH  P       00:03:38.68   5.1X 102.4  27 b:4.1+1 1.5 5.9                   TPH 
 ACCN P       00:03:41.32   4.4X 103.2 353 b:9.9+0 .80 5.6                   ACCN
 PV01 P       00:03:55.77   9.4X 105.2  20 b:1.5+3 1.2 7.8X                  PV01
 BRNJ         00:07:55.81  -5.6X 106.0 353                                   BRNJ
 LRAL         00:08:09.00  -7.7X 114.0   3                                   LRAL
 KSU1         00:08:11.52   8.2X 107.0  11                                   KSU1
 VWCC         00:08:11.86   3.2X 109.8 357                                   VWCC
 ABTX P       00:08:12.85  -1.5X 112.7  15                                   ABTX
      e       00:08:18.42   4.1X
 MIAR P       00:08:15.07   2.4  111.9   9                                   MIAR
 GDL2 P       00:08:16.08   3.0X 112.0  19                                   GDL2
 VNDA P       00:08:16.37  -4.9X 117.1 167                                   VNDA
 PARMO        00:08:16.91   7.5X 110.2   5                                   PARM
 JCT  P       00:08:18.24  -0.1  114.8  16                                   JCT 
 HKT  P       00:08:24.00   3.3X 116.1  12                                   HKT 
 SBA  P       00:08:24.28   1.0  118.2 167                                   SBA 
 CELP P       00:08:41.30   0.3  126.5 340                                   CELP
 OBIP P       00:08:42.11   1.0  126.5 340                                   OBIP
 STVI P       00:08:42.14   2.5  125.8 338                                   STVI
 LRS  P       00:08:43.55   2.7  126.4 340                                   LRS 
 LSP  P       00:08:43.91   2.7  126.6 341                                   LSP 
 SDDR P       00:08:44.82   3.2X 126.8 346                                   SDDR
 RCBR P       00:08:48.51   4.2X 128.2 291                                   RCBR
 MTDJ P       00:08:48.57   3.5X 128.5 353                                   MTDJ
 PTGA e       00:09:05.56  -2.5X 140.9 321                                   PTGA
 OTAV P       00:09:18.51   0.2  146.4 351                                   OTAV
 PMSA P       00:09:21.63   5.8X 146.3 195                                   PMSA
 PAYG P       00:09:22.54   3.8X 147.0  13                                   PAYG
 SAML P       00:09:23.16   0.5  149.5 318                                   SAML
 LPAZ P       00:09:36.19   0.4  158.2 317                                   LPAZ
 NNA  P       00:09:39.49   4.6X 158.0 343                                   NNA 
 TRQA P       00:09:39.81   1.2  161.9 248                                   TRQA
 LVC  P       00:09:42.46   1.7  163.4 306                                   LVC 
 PLCA P       00:09:44.19   0.9  167.3 230                                   PLCA
 LCO  P       00:09:44.31  -0.3  168.3 288                                   LCO 



 Generated 2010 APR 22 at 00:33 UTC

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