Alert sss2025oqgx: determined by 16 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 16 phases used, weight 16):

  Hokkaido, Japan Region  M=5.1  2025/07/28  03:10:30.0  42.38 N  142.99 E   69 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  YSS   IU  25/07/28  03:11:38.2         0.0  0.0   1.5   4.6 358 0.0 5.1 0.0
  INCN  IU  25/07/28  03:13:37.3        55.1  1.0  -0.7  13.4 254 4.9 0.0 0.0
  JOW   JP  25/07/28  03:14:52.5       126.8  1.0  -0.5  19.6 222 5.2 0.0 0.0
  YAK   IU  25/07/28  03:15:07.2       216.3  0.9  -2.6  21.2 343 5.5 0.0 5.4
  ULN   IU  25/07/28  03:15:54.6        85.4  1.2   0.4  25.7 295 5.2 0.0 5.5
  KURK  II  25/07/28  03:18:28.5        90.0  0.8   0.2  43.6 304 5.7 0.0 5.5
  CCB   AK  25/07/28  03:18:29.4        12.2  0.9  -0.6  43.8  35 4.8 0.0 0.0
  SBM   MY  25/07/28  03:19:05.4        16.6  0.9   0.7  48.5 223 4.9 0.0 0.0
  YKAW3 CN  25/07/28  03:20:18.7         8.2  0.9  -0.3  58.3  32 4.7 0.0 0.0
  KEV   IU  25/07/28  03:20:20.7        29.1  0.9  -0.4  58.6 339 5.2 0.0 0.0
  OBN   II  25/07/28  03:20:59.1        68.0  0.8  -0.5  64.3 322 5.7 0.0 5.8
  KIV   II  25/07/28  03:21:25.4       205.0  0.8   1.5  68.1 310 6.2 0.0 6.0
  UOSS  II  25/07/28  03:21:42.6        72.6  1.0  -0.1  71.2 287 5.6 0.0 0.0
  MORC  GE  25/07/28  03:22:13.0        46.2  0.8   0.4  76.2 327 5.5 0.0 5.5
  PSZ   GE  25/07/28  03:22:15.7        21.0  1.2   0.5  76.7 325 5.0 0.0 5.4
  PLD   BS  25/07/28  03:22:27.7        19.1  1.2   0.6  78.9 318 5.0 0.0 5.7

 RMS-ERR:         0.94

 First location:  2025/07/28 03:22:56
 This location:   2025/07/28 03:23:05