Alert sss2025nyqn: determined by 18 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 18 phases used, weight 18):

  Southeast of Ryukyu Islands  M=5.5  2025/07/18  11:34:44.7  24.36 N  127.82 E   5 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  ULN   IU  25/07/18  11:40:41.5         7.4  0.8  -0.8  28.7 330 4.6 0.0 0.0
  PSZ   GE  25/07/18  11:47:15.1        17.1  1.3   2.0  83.2 320 5.0 0.0 0.0
  BZS   RO  25/07/18  11:47:16.4        15.2  0.9   3.0  83.3 317 5.1 0.0 0.0
  MORC  GE  25/07/18  11:47:15.0         9.5  2.1  -0.2  83.6 322 4.5 0.0 0.0
  VTS1  BS  25/07/18  11:47:18.1        17.8  1.2   2.7  83.7 314 5.1 0.0 0.0
  VRSS  SJ  25/07/18  11:47:13.6        27.5  0.9  -2.0  83.7 317 5.4 0.0 5.4
  ZAPS  SJ  25/07/18  11:47:18.7       462.9  0.9   2.8  83.7 315 6.6 0.0 6.4
  KKB   BS  25/07/18  11:47:19.2        46.9  0.7   1.5  84.1 314 5.7 0.0 0.0
  KARP  GE  25/07/18  11:47:17.4       122.6  1.0  -0.3  84.1 306 6.0 0.0 6.0
  SRS   HT  25/07/18  11:47:19.7        28.9  0.8   1.9  84.1 313 5.5 0.0 0.0
  KNT   HT  25/07/18  11:47:23.3        62.7  0.9   3.3  84.6 313 5.7 0.0 6.1
  SELS  SJ  25/07/18  11:47:20.5        38.5  0.8  -0.5  84.7 315 5.6 0.0 5.6
  THERA GE  25/07/18  11:47:20.2        42.1  0.8  -1.9  85.0 308 5.6 0.0 0.0
  GRG   HT  25/07/18  11:47:20.9        18.1  0.8  -1.3  85.0 313 5.3 0.0 0.0
  TEKS  SJ  25/07/18  11:47:20.5        31.0  0.9  -2.2  85.1 317 5.4 0.0 0.0
  KPRO  HT  25/07/18  11:47:29.2        49.2  1.2   1.2  86.2 313 5.5 0.0 5.8
  PDG   MN  25/07/18  11:47:25.9        38.8  0.8  -2.9  86.3 315 5.6 0.0 0.0
  IGT   HT  25/07/18  11:47:26.4        69.7  0.8  -6.0  87.1 313 5.9 0.0 0.0

 RMS-ERR:         2.43

 First location:  2025/07/18 11:48:10
 This location:   2025/07/18 11:48:10