Alert sss2025yydn: determined by 45 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 45 phases used, weight 45):

  Philippine Islands Region  M=5.5  2025/12/21  17:53:58.6  8.38 N  127.45 E   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  TNTI  GE  25/12/21  17:55:50.1      2238.4  1.0   1.2   7.6 181 6.3 6.3 6.3
  SBM   MY  25/12/21  17:57:48.0       247.2  1.2   0.7  16.3 249 5.4 0.0 5.9
  PLAI  GE  25/12/21  17:58:27.7       402.1  0.9   0.3  19.7 209 5.7 0.0 5.8
  JCJ   JP  25/12/21  17:59:07.9       470.9  1.3   1.5  23.3  35 5.8 0.0 0.0
  MBWA  IU  25/12/21  18:00:12.4        66.5  0.9   2.1  30.5 194 5.5 0.0 0.0
  BJT   IC  25/12/21  18:00:35.1       124.3  1.3   0.7  33.2 344 5.7 0.0 5.9
  CTAO  IU  25/12/21  18:00:40.5        44.7  1.2  -0.5  34.0 147 5.3 0.0 5.7
  HNR   IU  25/12/21  18:01:06.1       109.8  0.9  -1.6  36.9 118 5.8 0.0 6.0
  YSS   IU  25/12/21  18:01:38.8       164.8  1.2   0.4  40.7  16 5.8 0.0 6.0
  ULN   IU  25/12/21  18:01:58.4       152.8  1.2   0.6  43.1 340 5.8 0.0 6.0
  MALK  GE  25/12/21  18:02:22.1        49.7  1.0  -3.3  46.4 274 5.4 0.0 5.7
  MALK  GE  25/12/21  18:02:24.0        49.7  1.0  -1.4  46.4 274 5.4 0.0 5.7
  PET   IU  25/12/21  18:03:02.5       106.2  1.4   0.6  51.3  24 5.6 0.0 6.0
  YAK   IU  25/12/21  18:03:18.7       236.9  1.0  -0.6  53.7   1 6.2 0.0 6.3
  KURK  II  25/12/21  18:03:52.5       106.5  0.8  -0.8  58.3 326 5.9 0.0 5.8
  DRV   G   25/12/21  18:05:41.0       221.0  1.1  -1.2  75.6 175 6.1 0.0 6.3
  CASY  IU  25/12/21  18:05:44.0        65.3  1.4   1.4  75.7 187 5.5 0.0 0.0
  GNI   IU  25/12/21  18:06:04.0        45.6  1.1   0.5  79.0 309 5.5 0.0 5.9
  CCB   AK  25/12/21  18:06:07.9        66.4  1.8  -1.3  80.2  26 5.5 0.0 6.1
  KIV   II  25/12/21  18:06:10.6        58.8  0.8  -0.4  80.4 313 5.8 0.0 5.9
  ATD   G   25/12/21  18:06:27.5        43.2  1.1   2.1  83.1 281 5.5 0.0 0.0
  OBN   II  25/12/21  18:06:27.7        86.0  1.7   0.1  83.6 325 5.6 0.0 0.0
  VOI   GE  25/12/21  18:06:30.7        72.0  1.1  -1.8  84.6 247 5.7 0.0 0.0
  MSBI  GE  25/12/21  18:06:48.1        22.8  1.5   1.2  87.4 301 5.1 0.0 5.7
  VNDA  GT  25/12/21  18:06:47.1       101.9  1.1  -0.9  88.0 173 6.0 0.0 6.2
  ANTO  IU  25/12/21  18:06:51.4        11.7  1.4   1.1  88.2 310 4.9 0.0 5.8
  DRGR  RO  25/12/21  18:07:16.5        11.2  1.0   0.1  93.8 318 5.3 0.0 0.0
  GZR   RO  25/12/21  18:07:21.9         4.8  1.1   3.9  94.1 317 4.9 0.0 0.0
  VTS1  BS  25/12/21  18:07:19.6         9.6  1.9  -0.6  94.6 314 5.0 0.0 0.0
  ZAPS  SJ  25/12/21  18:07:22.7        44.7  0.8   1.4  94.8 315 6.1 0.0 5.9
  YKAW3 CN  25/12/21  18:07:20.2        29.7  2.3  -0.8  94.8  24 5.4 0.0 0.0
  BZS   RO  25/12/21  18:07:22.5         5.0  1.1   1.3  94.8 318 5.0 0.0 0.0
  KKB   BS  25/12/21  18:07:19.3        14.2  1.0  -2.1  94.9 314 5.5 0.0 0.0
  VRSS  SJ  25/12/21  18:07:21.8         7.6  1.0  -1.1  95.2 317 5.2 0.0 0.0
  KNT   HT  25/12/21  18:07:21.9        53.8  1.0  -1.2  95.2 313 6.1 0.0 0.0
  PSZ   GE  25/12/21  18:07:22.5        10.5  1.2  -0.6  95.3 320 5.3 0.0 0.0
  GRG   HT  25/12/21  18:07:23.4        13.3  1.0  -1.6  95.6 313 5.5 0.0 0.0
  SELS  SJ  25/12/21  18:07:25.4        19.5  1.0  -0.7  95.9 315 5.7 0.0 0.0
  MORC  GE  25/12/21  18:07:26.8         9.8  1.6  -0.1  96.1 322 5.2 0.0 0.0
  PDG   MN  25/12/21  18:07:32.9        13.3  1.7  -0.2  97.4 315 5.3 0.0 0.0
  IGT   HT  25/12/21  18:07:33.4        19.7  1.0  -0.3  97.6 312 5.7 0.0 0.0
  ARSA  OE  25/12/21  18:07:36.3         9.6  2.0  -0.3  98.3 320 5.2 0.0 0.0
  QSPA  IU  25/12/21  18:07:34.9        34.1  1.1  -0.5  98.3 180 6.0 0.0 0.0
  MOA   OE  25/12/21  18:07:39.2        18.1  1.5   0.1  98.8 321 5.6 0.0 0.0
  FUORN CH  25/12/21  18:07:54.6         0.0  0.0   2.4 101.8 321 0.0 0.0 0.0

 RMS-ERR:         1.33

 First location:  2025/12/21 18:08:20
 This location:   2025/12/21 18:38:21