Alert sss2023unnb: determined by 20 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 20 phases used, weight 20):

  South of Mariana Islands  M=5.3  2023/10/20  00:04:22.3  12.40 N  143.32 E   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  GUMO  IU  23/10/20  00:04:53.9         0.0  0.0  -1.1   1.9  52 0.0 5.5 0.0
  JCJ   JP  23/10/20  00:07:51.5        63.0  1.4   1.7  14.7 356 4.8 0.0 5.1
  TNTI  GE  23/10/20  00:08:51.0       288.3  2.4   0.2  19.6 235 5.2 0.0 5.9
  JOW   JP  23/10/20  00:08:59.5       365.0  1.4   2.7  20.2 318 5.5 0.0 6.1
  HNR   IU  23/10/20  00:10:08.8       255.0  1.0   1.7  27.4 142 5.9 0.0 6.3
  CTAO  IU  23/10/20  00:10:52.9        48.6  1.1   0.3  32.6 175 5.3 0.0 5.5
  ENH   IC  23/10/20  00:11:24.0        55.1  1.0   0.5  36.0 305 5.4 0.0 5.8
  BJT   IC  23/10/20  00:11:27.5        47.0  1.6   0.1  36.5 324 5.1 0.0 5.8
  MBWA  IU  23/10/20  00:12:02.1        38.4  0.9  -0.4  40.8 215 5.3 0.0 0.0
  KUM   MY  23/10/20  00:12:20.7        42.7  1.4   0.9  42.7 264 5.2 0.0 5.6
  MNAI  GE  23/10/20  00:12:24.5       585.3  1.3  -1.2  43.5 250 6.3 0.0 6.6
  ULN   IU  23/10/20  00:12:50.2        25.5  2.1   0.4  46.6 327 4.8 0.0 0.0
  MALK  GE  23/10/20  00:14:41.7        20.3  1.1   0.0  61.7 273 5.1 0.0 0.0
  KURK  II  23/10/20  00:14:58.5        27.0  0.9  -0.9  64.5 321 5.3 0.0 5.3
  DRV   G   23/10/20  00:16:26.6        28.0  1.8   1.1  79.1 181 5.1 0.0 0.0
  UOSS  II  23/10/20  00:16:43.6        22.3  1.5  -1.1  82.2 294 5.0 0.0 0.0
  CASY  IU  23/10/20  00:16:43.2        17.5  1.8   0.4  82.3 193 4.9 0.0 0.0
  OBN   II  23/10/20  00:17:16.5        24.3  1.3  -2.1  89.1 327 5.3 0.0 0.0
  RAYN  II  23/10/20  00:17:29.3        10.6  1.0  -3.3  92.1 295 5.2 0.0 0.0
  FFC   II  23/10/20  00:17:38.6        17.2  1.3  -0.1  93.5  32 5.4 0.0 0.0

 RMS-ERR:         1.34

 First location:  2023/10/20 00:42:43
 This location:   2023/10/20 00:42:43