Alert sss2023afrh: determined by 13 phases, type A

 LOCSAT solution with earthmodel iasp91 (with start solution, 13 phases used, weight 13):

  Northern Mid Atlantic Ridge  M=4.6  2023/01/04  02:25:22.6  53.53 N  31.52 W   10 km

  Stat  Net Date      Time               Amp  Per   Res  Dist  Az  mb  ML  mB
  MOA   OE  23/01/04  02:31:22.9         6.3  1.5  -0.6  29.0  82 4.2 0.0 0.0
  MORC  GE  23/01/04  02:31:32.5         0.0  0.0  -0.2  30.1  77 0.0 0.0 0.0
  BZS   RO  23/01/04  02:32:11.7         4.9  1.1  -0.0  34.5  81 4.3 0.0 0.0
  DRGR  RO  23/01/04  02:32:11.9         5.0  1.2   0.2  34.5  79 4.3 0.0 0.0
  VRSS  SJ  23/01/04  02:32:12.6         3.4  1.4   0.1  34.6  82 4.1 0.0 0.0
  SELS  SJ  23/01/04  02:32:21.2         5.5  1.2   0.5  35.6  85 4.3 0.0 0.0
  ZAPS  SJ  23/01/04  02:32:28.5        58.2  1.0   0.4  36.4  84 5.4 0.0 5.4
  GRG   HT  23/01/04  02:32:38.9        56.4  0.9   0.2  37.7  87 5.4 0.0 0.0
  KPRO  HT  23/01/04  02:32:38.8         9.2  1.5   0.0  37.7  89 4.5 0.0 0.0
  SRS   HT  23/01/04  02:32:44.1        11.8  0.7   0.2  38.3  86 4.9 0.0 0.0
  PLD   BS  23/01/04  02:32:43.7         5.7  1.1  -0.7  38.3  84 4.4 0.0 0.0
  TAM   G   23/01/04  02:33:09.8         0.7  2.3  -0.1  41.5 123 3.2 0.0 0.0
  ENH   IC  23/01/04  02:38:15.8       119.4  1.2  -6.0  89.6  33 6.1 0.0 0.0

 RMS-ERR:         1.70

 First location:  2023/01/04 02:34:04
 This location:   2023/01/04 03:09:44