Alert sss2023zhre: determined by 30 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 30 phases used, weight 30):

  Hokkaido, Japan Region  M=5.1  2023/12/26  22:53:48.2  41.36 N  142.50 E   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  YSS   IU  23/12/26  22:55:13.3       183.3  0.7   1.8   5.6   2 5.2 4.9 5.2
  BJT   IC  23/12/26  22:58:21.2        41.1  1.0   0.4  19.9 275 4.7 0.0 4.8
  ULN   IU  23/12/26  22:59:19.6        18.8  1.2  -0.5  25.8 297 4.6 0.0 0.0
  ENH   IC  23/12/26  22:59:48.3        39.7  0.9   2.0  28.8 258 5.2 0.0 0.0
  KURK  II  23/12/26  23:01:55.1        29.0  0.9  -0.7  43.9 305 5.2 0.0 0.0
  CCB   AK  23/12/26  23:02:03.8         0.0  0.0   0.3  44.9  35 0.0 0.0 0.0
  OBN   II  23/12/26  23:04:27.8        36.8  1.0  -1.3  64.9 323 5.4 0.0 0.0
  KIV   II  23/12/26  23:04:52.9        80.7  1.2   0.8  68.5 310 5.7 0.0 5.9
  FFC   II  23/12/26  23:04:57.8        27.0  0.9   0.5  69.3  34 5.3 0.0 0.0
  UOSS  II  23/12/26  23:05:09.1        32.0  0.9   0.8  71.2 287 5.4 0.0 0.0
  MORC  GE  23/12/26  23:05:41.9        29.4  0.9  -0.1  76.9 327 5.4 0.0 0.0
  DRGR  RO  23/12/26  23:05:41.9         6.7  0.9  -0.4  76.9 322 4.7 0.0 0.0
  PSZ   GE  23/12/26  23:05:44.3        16.5  1.2  -0.2  77.3 325 5.0 0.0 0.0
  BZS   RO  23/12/26  23:05:49.1        10.6  1.0  -0.8  78.3 322 4.9 0.0 0.0
  VRSS  SJ  23/12/26  23:05:52.3        18.3  0.9  -0.5  78.8 322 5.2 0.0 0.0
  GRFO  IU  23/12/26  23:05:56.1        40.5  0.8  -0.0  79.4 330 5.6 0.0 0.0
  ZAPS  SJ  23/12/26  23:05:56.9       153.9  1.0  -0.1  79.6 320 6.1 0.0 5.9
  RAYN  II  23/12/26  23:05:57.2        11.6  1.1   0.3  79.6 292 4.9 0.0 0.0
  ARSA  OE  23/12/26  23:05:57.8         0.0  0.0   0.2  79.7 327 0.0 0.0 0.0
  MOA   OE  23/12/26  23:05:57.9         0.0  0.0   0.1  79.7 328 0.0 0.0 0.0
  VTS1  BS  23/12/26  23:05:58.4        27.8  0.8   0.3  79.8 319 5.4 0.0 0.0
  TEKS  SJ  23/12/26  23:05:58.9        13.3  1.0  -0.7  80.1 323 5.0 0.0 0.0
  SELS  SJ  23/12/26  23:06:00.5        12.2  0.8  -0.6  80.4 321 5.1 0.0 0.0
  KKB   BS  23/12/26  23:06:01.8        20.7  0.9   0.3  80.4 319 5.2 0.0 0.0
  STU   GE  23/12/26  23:06:03.7        24.5  0.8  -0.5  80.9 331 5.3 0.0 0.0
  KNT   HT  23/12/26  23:06:04.3         8.1  0.8  -0.5  81.0 318 4.9 0.0 5.6
  PDG   MN  23/12/26  23:06:08.5        51.5  0.8  -0.5  81.8 321 5.7 0.0 5.7
  FUORN CH  23/12/26  23:06:11.7        32.0  1.2   0.2  82.3 329 5.3 0.0 0.0
  IGT   HT  23/12/26  23:06:17.3        22.8  1.2  -0.6  83.6 319 5.2 0.0 0.0
  AQU   MN  23/12/26  23:06:23.2        22.2  1.4   0.3  84.5 325 5.1 0.0 0.0

 RMS-ERR:         0.70

 First location:  2023/12/26 23:10:42
 This location:   2023/12/27 01:24:32