Alert sss2023btqi: determined by 15 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 15 phases used, weight 15):

  Sichuan, China  M=5.5  2023/01/25  23:21:35.3  29.63 N  102.01 E   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  ENH   IC  23/01/25  23:23:12.3       234.2  0.8   1.0   6.5  82 5.4 5.9 5.3
  SHL   IN  23/01/25  23:23:58.3        22.9  1.6   0.9   9.9 248 4.3 0.0 5.7
  BJT   IC  23/01/25  23:25:13.6        17.0  1.1  -1.1  15.5  44 4.3 0.0 0.0
  ULN   IU  23/01/25  23:25:53.7        19.1  1.0   1.0  18.6  11 4.4 0.0 5.1
  KURK  II  23/01/25  23:27:20.1         3.5  1.6  -0.8  27.4 327 3.9 0.0 0.0
  YSS   IU  23/01/25  23:28:36.0        50.2  1.7   0.7  35.8  50 5.2 0.0 0.0
  GNI   IU  23/01/25  23:30:13.8        14.5  1.2   4.0  47.3 299 4.8 0.0 0.0
  KIV   II  23/01/25  23:30:19.5        36.3  1.1   0.4  48.5 304 5.2 0.0 0.0
  GENI  GE  23/01/25  23:30:19.3        45.0  1.2   0.4  48.7 125 5.3 0.0 0.0
  RAYN  II  23/01/25  23:30:33.0         9.9  1.1  -0.7  50.4 277 4.7 0.0 0.0
  ANTO  IU  23/01/25  23:31:17.4        14.3  1.0  -0.3  56.4 300 4.9 0.0 0.0
  VTS1  BS  23/01/25  23:32:00.1         8.2  2.1  -1.1  62.7 306 4.4 0.0 0.0
  MORC  GE  23/01/25  23:32:11.8         6.1  1.1  -1.0  64.4 315 4.6 0.0 0.0
  CTAO  IU  23/01/25  23:32:16.6         9.8  1.0  -0.9  65.5 134 4.8 0.0 0.0
  TAM   G   23/01/25  23:34:05.6         0.9  2.1  -2.5  84.2 293 3.5 0.0 0.0

 RMS-ERR:         1.44

 First location:  2023/01/26 01:24:15
 This location:   2023/01/26 01:24:15