Phase Data

Explanation of Parameters


     25 MAR 2013  ( 84)

     ot  = 12:28:50.98   +/-   1.29              SOUTHERN QINGHAI, CHINA         
     lat =      33.334   +/-   14.5
     lon =      95.391   +/-   15.0              MAGNITUDE 4.5 (GS)       
     dep =        10.0  (geophysicist)

     155 km (96 miles) WNW of Gyegu (Yushu), Qinghai, China (pop N/A)
     290 km (180 miles) ESE of Tanggulashan, Qinghai, China
     295 km (183 miles) NW of Qamdo, Xizang (Tibet), China
     2010 km (1248 miles) WSW of BEIJING, Beijing, China

     nph =   30 of  38    se = 0.64    FE=325                            A   

     error ellipse = ( 83.0,  0.0, 19.7;173.0,  0.0, 19.0;327.0, 89.0,  2.9)

 mb = 4.5 ( 26)  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
 LSA  ePn     12:30:09.88   1.5    5.1 226                                   LSA 
 SHL  ePn     12:30:51.78   0.0    8.3 203                                   SHL 
      eSn     12:32:20.58  S res =  -5.4 
 WMQ  ePn     12:31:43.09   0.2   12.1 332                                   WMQ 
 ENH  ePn     12:31:49.88   2.6   12.4 100                                   ENH 
 CM01 ePn     12:32:26.06   0.4   15.2 167                                   CM01
 MK31 ePn     12:32:45.29  -0.2   16.7 327 b:3.4+0 .85 3.5                   MK31
 MK01 ePn     12:32:45.68   0.4   16.7 327                                   MK01
 MAKZ ePn     12:32:46.55  -0.9   16.9 327 b:1.1+1 1.4 3.8                   MAKZ
 KDJ  ePn     12:32:47.01   0.0   16.8 307 b:7.1+0 .80 3.8                   KDJ 
 ULN  ePn     12:32:48.58   0.0   17.0  28 b:1.6+1 1.2 4.0                   ULN 
 NRN  ePn     12:32:54.55   0.7   17.4 303 b:8.2+0 1.2 3.7                   NRN 
 ARSB eP      12:33:19.46   1.2   19.5 301 b:2.8+1 1.6 4.3                   ARSB
 GAR  eP      12:33:34.25  -0.3   21.0 293 b:2.6+1 .70 4.7                   GAR 
 KK31 eP      12:33:43.18   0.3   21.8 304 b:1.2+1 .90 4.3                   KK31
 KKAR eP      12:33:43.45   0.6   21.8 304 b:1.2+1 .90 4.3                   KKAR
 CHGR eP      12:33:43.72   0.0   21.8 292 b:3.6+1 .74 4.9                   CHGR
 KBL  eP      12:33:44.24   0.0   21.9 281 b:9.8+1 .75 5.3                   KBL 
 ZALV eP      12:33:44.74   0.3   21.9 343                                   ZALV
 ZAA0 eP      12:33:45.52   1.1   21.9 343 b:8.3+0 .95 4.1                   ZAA0
 TIXI eP      12:36:43.58  -0.4   42.3  15 b:3.0+0 .50 4.3                   TIXI
 BR131eP      12:37:38.69  -0.7   49.2 296 b:8.2+0 1.2 4.6                   BR13
 AK11 eP      12:37:47.44  -1.3   50.5 311                                   AK11
 BILL eP      12:38:02.97  -0.7   52.5  27 b:1.1+1 1.4 4.6                   BILL
 GEA0 eP      12:39:00.85  -1.2   60.6 312                                   GEA0
 AS01 eP      12:39:47.56  -0.1   67.6 142                                   AS01
 AS31 eP      12:39:47.64   0.2   67.5 142 b:1.0+0 .65 4.2                   AS31
 TOLK eP      12:39:48.95   0.7X  67.7  21 b:7.1+0 .90 4.8                   TOLK
 BPAW eP      12:40:02.62   0.9X  69.9  25 b:9.3+0 1.2 4.8                   BPAW
 IL1  eP      12:40:04.79  -3.1X  70.9  24                                   IL1 
 PPLA eP      12:40:04.86   1.5X  70.1  27 b:1.4+1 1.0 5.0                   PPLA
 ILB  eP      12:40:07.70  -0.2X  70.9  24 b:5.5+0 1.0 4.6                   ILB 
 PRP  eP      12:40:08.37   0.4   70.9  23 b:1.2+1 1.4 4.8                   PRP 
 RIDG eP      12:40:15.88  -0.2   72.2  24 b:1.7+1 1.2 5.0                   RIDG
 SCRK eP      12:40:17.22   0.2   72.4  23 b:7.6+0 .88 4.8                   SCRK
 EGAK eP      12:40:20.29   1.3X  72.8  22 b:9.2+0 1.1 4.8                   EGAK
 YKB5 eP      12:41:08.24   0.0X  81.5  14                                   YKB5
 YKW3 eP      12:41:08.69   0.8X  81.4  14 b:7.1+0 1.3 4.6                   YKW3



 Generated 2013 MAR 25 at 13:55 UTC

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