Alert sss2025ytaw: determined by 19 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 19 phases used, weight 19):

  Northwest of Kuril Islands  M=4.9  2025/12/18  22:52:36.1  52.81 N  154.52 E   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  PET   IU  25/12/18  22:53:17.2         0.0  0.0   0.3   2.5  84 0.0 3.8 0.0
  KURK  II  25/12/18  23:00:52.2         4.1  0.8   1.3  44.8 299 4.4 0.0 0.0
  SUW   PL  25/12/18  23:03:24.0         8.2  1.3   1.1  65.8 331 4.6 0.0 0.0
  KIV   II  25/12/18  23:03:31.6        10.7  0.9   1.3  67.0 313 4.9 0.0 0.0
  MORC  GE  25/12/18  23:03:56.9        17.9  0.8   0.4  71.2 332 5.2 0.0 0.0
  DRGR  RO  25/12/18  23:04:02.3         5.1  0.7  -0.8  72.3 328 4.7 0.0 0.0
  MLR   RO  25/12/18  23:04:03.2         7.7  0.7  -0.1  72.3 325 4.9 0.0 0.0
  GZR   RO  25/12/18  23:04:08.8         4.1  1.4  -1.4  73.5 327 4.3 0.0 0.0
  BZS   RO  25/12/18  23:04:09.8         5.7  0.7  -1.5  73.6 328 4.8 0.0 0.0
  MOA   OE  25/12/18  23:04:10.1        11.4  2.0  -2.3  73.8 333 4.6 0.0 0.0
  VRSS  SJ  25/12/18  23:04:15.5         9.5  1.1   1.0  74.2 328 4.8 0.0 0.0
  TEKS  SJ  25/12/18  23:04:21.7         5.7  0.6   1.0  75.3 329 4.8 0.0 0.0
  ZAPS  SJ  25/12/18  23:04:24.0        20.8  0.9   2.6  75.4 326 5.2 0.0 5.2
  VTS1  BS  25/12/18  23:04:21.6         8.1  0.6  -2.0  75.8 325 5.0 0.0 0.0
  SELS  SJ  25/12/18  23:04:22.0         6.8  0.8  -2.7  75.9 327 4.8 0.0 0.0
  FUORN CH  25/12/18  23:04:26.7        14.9  0.6   1.7  76.0 336 5.2 0.0 0.0
  PDG   MN  25/12/18  23:04:32.4         7.6  0.6   0.4  77.3 328 5.0 0.0 0.0
  GRG   HT  25/12/18  23:04:33.7         3.8  0.6   0.2  77.5 325 4.7 0.0 0.0
  MSEY  II  25/12/18  23:06:17.0        63.8  0.7  -0.5  99.2 274 6.5 0.0 7.1

 RMS-ERR:         1.41

 First location:  2025/12/18 23:07:46
 This location:   2025/12/18 23:08:38