Alert sss2023znqd: determined by 37 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 37 phases used, weight 37):

  Off West Coast of Northern Sumatra  M=5.5  2023/12/30  05:19:28.3  2.52 N  93.11 E   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  KUM   MY  23/12/30  05:21:25.8      1194.6  0.9   1.0   8.0  70 6.1 6.4 6.3
  MNAI  GE  23/12/30  05:22:20.2      2842.8  0.6   1.0  12.0 125 6.9 0.0 6.9
  MALK  GE  23/12/30  05:22:43.5       778.7  0.7  -0.7  13.8 296 6.2 0.0 6.1
  SBM   MY  23/12/30  05:23:53.0       247.5  2.3   1.8  19.1  90 5.1 0.0 6.1
  PLAI  GE  23/12/30  05:25:08.2        66.3  1.3  -2.9  27.1 115 5.2 0.0 5.9
  ENH   IC  23/12/30  05:25:51.6       144.3  0.7  -0.4  31.8  28 6.0 0.0 6.1
  MBWA  IU  23/12/30  05:26:21.8        84.7  1.6  -0.2  35.2 134 5.4 0.0 6.0
  MSEY  II  23/12/30  05:26:51.3        47.8  2.2   2.2  38.3 259 5.0 0.0 0.0
  UOSS  II  23/12/30  05:27:20.5        43.5  1.6   0.9  42.0 306 5.1 0.0 5.7
  BJT   IC  23/12/30  05:27:27.4       163.0  0.8   1.4  42.9  26 6.0 0.0 6.1
  ULN   IU  23/12/30  05:27:58.0        25.2  0.8   0.5  46.9  13 5.2 0.0 5.8
  KURK  II  23/12/30  05:28:19.0        23.1  1.6  -0.2  49.7 348 4.9 0.0 5.3
  RAYN  II  23/12/30  05:28:26.7        94.2  1.1  -0.4  50.6 299 5.7 0.0 5.9
  ATD   G   23/12/30  05:28:29.2       127.6  0.9   1.3  50.6 283 5.9 0.0 6.1
  CTAO  IU  23/12/30  05:29:12.1        22.0  1.0  -0.7  56.8 116 5.1 0.0 5.5
  GNI   IU  23/12/30  05:29:19.0        92.7  1.6   1.0  57.6 317 5.6 0.0 6.0
  KIV   II  23/12/30  05:29:40.2        65.3  1.0   0.5  60.7 321 5.6 0.0 5.9
  MBAR  II  23/12/30  05:29:52.4        27.0  2.5   0.2  62.4 268 4.8 0.0 5.7
  CSS   GE  23/12/30  05:30:03.4        84.6  1.6   0.9  64.1 308 5.6 0.0 6.0
  YAK   IU  23/12/30  05:30:09.9       123.6  1.6  -0.7  65.5  18 5.7 0.0 6.2
  OBN   II  23/12/30  05:30:34.9        60.2  1.8  -1.3  69.4 329 5.4 0.0 0.0
  TIRR  GE  23/12/30  05:30:41.8        60.1  0.8  -0.6  70.4 317 5.7 0.0 5.8
  THERA GE  23/12/30  05:30:43.7        90.8  0.9  -0.3  70.6 308 5.8 0.0 6.0
  PLD   BS  23/12/30  05:30:54.4        34.8  0.9  -0.2  72.4 314 5.4 0.0 5.8
  KKB   BS  23/12/30  05:31:00.2        56.0  0.9  -1.0  73.5 313 5.6 0.0 5.8
  PDG   MN  23/12/30  05:31:16.8        39.9  0.9  -1.4  76.4 313 5.5 0.0 5.8
  DRV   G   23/12/30  05:31:17.8        42.8  0.9  -0.9  76.7 163 5.5 0.0 0.0
  PSZ   GE  23/12/30  05:31:20.0        24.9  0.9  -0.9  76.9 319 5.3 0.0 0.0
  WIN   GE  23/12/30  05:31:28.6        39.3  0.8   0.6  78.1 246 5.6 0.0 6.0
  ARSA  OE  23/12/30  05:31:36.0        97.1  1.1  -0.5  79.7 318 5.8 0.0 0.0
  MOA   OE  23/12/30  05:31:41.5        25.1  1.2  -0.0  80.7 318 5.2 0.0 0.0
  AQU   MN  23/12/30  05:31:41.7        78.4  1.0  -0.2  80.7 313 5.8 0.0 5.8
  GRFO  IU  23/12/30  05:31:52.7        47.1  0.8  -0.2  82.8 320 5.6 0.0 0.0
  FUORN CH  23/12/30  05:31:55.6        46.8  1.8   0.3  83.3 317 5.3 0.0 6.0
  STU   GE  23/12/30  05:31:58.9        24.3  1.4  -0.6  84.1 319 5.1 0.0 0.0
  TAM   G   23/12/30  05:32:14.3        10.3  0.9   0.8  86.8 293 5.0 0.0 5.3
  VNDA  GT  23/12/30  05:32:17.9         5.3  1.6   0.1  88.0 168 4.5 0.0 0.0

 RMS-ERR:         0.98

 First location:  2023/12/30 05:31:17
 This location:   2023/12/30 05:58:50