Alert sss2025yvyh: determined by 38 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 38 phases used, weight 38):

  Hokkaido, Japan Region  M=5.2  2025/12/20  12:58:51.4  42.81 N  146.00 E   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  YSS   IU  25/12/20  13:00:05.3         0.0  0.0   2.3   4.7 332 0.0 4.7 0.0
  YAK   IU  25/12/20  13:03:37.6        51.5  0.8  -3.1  21.5 339 4.9 0.0 0.0
  JOW   JP  25/12/20  13:03:40.6       128.5  1.1   0.1  21.5 228 5.2 0.0 0.0
  BJT   IC  25/12/20  13:03:49.7        51.6  1.4  -1.2  22.4 273 4.7 0.0 5.2
  ULN   IU  25/12/20  13:04:39.1        59.5  1.0   0.2  27.5 294 5.3 0.0 5.4
  CCB   AK  25/12/20  13:06:45.2        13.4  1.0   0.1  42.2  36 4.8 0.0 0.0
  KURK  II  25/12/20  13:07:09.3        40.6  1.0  -0.1  45.2 305 5.3 0.0 5.4
  SBM   MY  25/12/20  13:07:47.7        10.5  1.1   0.2  50.3 226 4.7 0.0 0.0
  YKAW3 CN  25/12/20  13:08:37.0        16.0  1.5   0.1  56.8  33 4.8 0.0 0.0
  OBN   II  25/12/20  13:09:34.2        83.3  1.1  -0.7  65.3 324 5.7 0.0 0.0
  KIV   II  25/12/20  13:10:02.6       110.9  1.2   1.0  69.5 312 5.8 0.0 6.0
  GNI   IU  25/12/20  13:10:11.0        52.8  1.2   1.5  70.8 307 5.5 0.0 5.9
  SUW   PL  25/12/20  13:10:13.8        20.0  1.0  -0.5  71.6 329 5.1 0.0 0.0
  UOSS  II  25/12/20  13:10:23.4        42.5  1.1  -0.1  73.2 289 5.4 0.0 0.0
  MLR   RO  25/12/20  13:10:45.2        25.8  1.5  -0.1  76.9 321 5.1 0.0 0.0
  MORC  GE  25/12/20  13:10:46.3        31.2  1.4   0.1  77.0 329 5.2 0.0 0.0
  DRGR  RO  25/12/20  13:10:47.7        11.5  1.6   0.0  77.3 324 4.7 0.0 0.0
  PSZ   GE  25/12/20  13:10:49.8        32.0  1.0   0.5  77.6 326 5.4 0.0 0.0
  ANTO  IU  25/12/20  13:10:49.3        57.4  1.0  -0.3  77.7 314 5.6 0.0 0.0
  GZR   RO  25/12/20  13:10:53.4        12.7  1.2  -0.2  78.4 323 4.9 0.0 0.0
  BZS   RO  25/12/20  13:10:55.3        17.2  1.7  -0.0  78.7 324 4.9 0.0 0.0
  VRSS  SJ  25/12/20  13:10:57.9        31.0  1.1  -0.4  79.2 324 5.3 0.0 0.0
  GRFO  IU  25/12/20  13:10:59.7        28.1  1.1   0.4  79.4 332 5.3 0.0 0.0
  MOA   OE  25/12/20  13:11:01.4         8.8  1.3  -0.3  79.9 329 4.7 0.0 0.0
  ARSA  OE  25/12/20  13:11:01.8        14.2  2.2  -0.0  79.9 328 4.7 0.0 0.0
  PLD   BS  25/12/20  13:11:03.8        26.1  1.3   1.4  80.0 320 5.2 0.0 0.0
  ZAPS  SJ  25/12/20  13:11:03.7        34.3  0.8   0.7  80.1 322 5.5 0.0 5.4
  VTS1  BS  25/12/20  13:11:04.8        40.7  1.2   0.6  80.3 321 5.4 0.0 0.0
  TEKS  SJ  25/12/20  13:11:04.6        22.0  1.6  -0.3  80.4 324 5.0 0.0 0.0
  SELS  SJ  25/12/20  13:11:06.2        15.5  1.1  -0.6  80.8 323 5.0 0.0 0.0
  STU   GE  25/12/20  13:11:07.1        16.4  1.0  -0.1  80.9 333 5.1 0.0 0.0
  KKB   BS  25/12/20  13:11:08.5        19.9  1.0   0.8  81.0 321 5.2 0.0 0.0
  KNT   HT  25/12/20  13:11:11.0        32.5  1.0  -0.1  81.6 320 5.4 0.0 0.0
  GRG   HT  25/12/20  13:11:13.2        15.0  1.4   0.0  82.0 321 4.9 0.0 0.0
  PDG   MN  25/12/20  13:11:14.0        46.5  1.0  -0.5  82.3 323 5.5 0.0 5.8
  FUORN CH  25/12/20  13:11:15.2        15.6  1.1   0.2  82.4 331 5.0 0.0 0.0
  KARP  GE  25/12/20  13:11:21.9        64.5  1.3  -0.7  83.8 314 5.6 0.0 5.8
  AQU   MN  25/12/20  13:11:26.6        33.1  1.4  -0.9  84.8 327 5.3 0.0 0.0

 RMS-ERR:         0.83

 First location:  2025/12/20 13:11:49
 This location:   2025/12/20 14:28:20