Alert sss2026ibwh: determined by 28 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 28 phases used, weight 28):

  Off East Coast of Honshu, Japan  M=4.8  2026/04/25  20:41:28.2  39.67 N  143.21 E   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  BJT   IC  26/04/25  20:46:07.2        16.7  1.1  -1.7  20.7 280 4.3 0.0 0.0
  ULN   IU  26/04/25  20:47:11.8        27.5  1.2   0.3  27.1 300 4.9 0.0 5.2
  ENH   IC  26/04/25  20:47:28.3        47.4  1.0  -0.1  29.0 262 5.3 0.0 5.3
  SHL   IN  26/04/25  20:49:43.3        11.4  0.9   0.4  44.8 268 4.8 0.0 0.0
  KURK  II  26/04/25  20:49:46.5        12.0  1.0  -0.6  45.3 306 4.8 0.0 4.9
  CCB   AK  26/04/25  20:49:51.9         4.9  2.4  -0.2  46.0  34 4.0 0.0 0.0
  YKAW3 CN  26/04/25  20:51:39.1         0.0  0.0  -0.8  60.5  31 0.0 0.0 0.0
  FFC   II  26/04/25  20:52:43.8         5.7  1.0  -0.3  70.5  34 4.6 0.0 0.0
  GNI   IU  26/04/25  20:52:49.1        15.7  1.5   1.5  71.0 307 4.9 0.0 0.0
  UOSS  II  26/04/25  20:52:54.4        10.3  1.3   0.1  72.2 288 4.8 0.0 0.0
  MLR   RO  26/04/25  20:53:28.7         6.1  2.4   0.5  78.0 320 4.3 0.0 0.0
  ANTO  IU  26/04/25  20:53:30.4        14.3  1.0   0.7  78.3 313 5.0 0.0 0.0
  MORC  GE  26/04/25  20:53:32.1        13.8  1.6   0.5  78.6 328 4.8 0.0 0.0
  PSZ   GE  26/04/25  20:53:34.6        12.5  1.8   0.8  79.0 325 4.7 0.0 0.0
  GZR   RO  26/04/25  20:53:36.6         2.2  1.0  -0.3  79.6 322 4.2 0.0 0.0
  BZS   RO  26/04/25  20:53:38.5         2.9  1.2  -0.5  80.0 323 4.3 0.0 0.0
  VRSS  SJ  26/04/25  20:53:41.8        11.7  0.7   0.0  80.5 323 5.1 0.0 5.7
  RAYN  II  26/04/25  20:53:42.7         7.6  1.5  -0.4  80.8 293 4.6 0.0 0.0
  GRFO  IU  26/04/25  20:53:45.6        23.2  1.1   0.1  81.2 331 5.2 0.0 0.0
  ZAPS  SJ  26/04/25  20:53:46.3        63.2  0.8   0.5  81.2 321 5.8 0.0 5.9
  ARSA  OE  26/04/25  20:53:46.9         9.7  2.3   0.1  81.4 327 4.5 0.0 0.0
  VTS1  BS  26/04/25  20:53:47.2         8.6  0.9   0.4  81.4 320 4.9 0.0 0.0
  TEKS  SJ  26/04/25  20:53:48.2         7.8  1.1  -0.3  81.7 323 4.7 0.0 0.0
  HGN   NL  26/04/25  20:53:49.9         7.8  2.0  -0.7  82.1 334 4.5 0.0 0.0
  KNT   HT  26/04/25  20:53:53.5        16.7  2.9   0.2  82.7 319 4.6 0.0 0.0
  GRG   HT  26/04/25  20:53:55.0         7.5  1.5  -0.4  83.1 319 4.6 0.0 0.0
  PDG   MN  26/04/25  20:53:57.4        19.2  1.1  -0.2  83.5 322 5.1 0.0 0.0
  LSK   AC  26/04/25  20:54:03.6        31.4  0.9   0.5  84.6 320 5.4 0.0 0.0

 RMS-ERR:         0.60

 First location:  2026/04/25 20:55:10
 This location:   2026/04/25 21:19:17