Our Ref.: HKO 220/172/22


                                                                     25 November 2022


Sir/Madam,


                           Preliminary Seismological Analysis


      Enclosed please find the preliminary seismological analysis from July to
September 2022 for the station HKPS. Please note that Broadband records include all 3
components.




                                                          Yours faithfully,




                                                           ( Mr. T.W. Hui )
                                             for Director of the Hong Kong Observatory
      Preliminary Analysis of the Seismograph at HKPS for Jul 2022

  Date      phase   Component     Time (UTC)    Δ*        Remarks
                                   HHMMSS
Year 2022
 1 - Jul      Nil
 2 - Jul      P        ENZ          020551              Compr to SE
 3 - Jul      Nil
 4 - Jul      Nil
 5 - Jul      Nil
 6 - Jul      Nil
 7 - Jul      Nil
 8 - Jul      P        ENZ          234226              Compr to SE
 9 - Jul      Nil
 10 - Jul     Nil
 11 - Jul     Nil
 12 - Jul     Nil
 13 - Jul     Nil
 14 - Jul     Nil
 15 - Jul     Nil
 16 - Jul     Nil
 17 - Jul     Nil
 18 - Jul     Nil
 19 - Jul     P        ENZ          235245              Compr to NE
 20 - Jul     Nil
 21 - Jul     Nil
 22 - Jul     Nil
 23 - Jul     Nil
 24 - Jul     Nil
 25 - Jul     Nil
 26 - Jul     Nil
 27 - Jul     P        ENZ          004517              Compr to SE
 28 - Jul     Nil
 29 - Jul     Nil
 30 - Jul     Nil
 31 - Jul     Nil
     Preliminary Analysis of the Seismograph at HKPS for Aug 2022

  Date      phase   Component    Time (UTC)    Δ*        Remarks
                                  HHMMSS
Year 2022
  1 - Aug    Nil
  2 - Aug    Nil
  3 - Aug    Nil
  4 - Aug    Nil
  5 - Aug    Nil
  6 - Aug    Nil
  7 - Aug    Nil
  8 - Aug    Nil
  9 - Aug    Nil
 10 - Aug    Nil
 11 - Aug    Nil
 12 - Aug    Nil
 13 - Aug    Nil
 14 - Aug    P         ENZ         135647              Compr to SW
 15 - Aug    Nil
 16 - Aug    Nil
 17 - Aug    Nil
 18 - Aug    Nil
 19 - Aug    Nil
 20 - Aug    Nil
 21 - Aug    Nil
 22 - Aug    Nil
 23 - Aug    P         ENZ         143739              Compr to NE
 24 - Aug    Nil
 25 - Aug    Nil
 26 - Aug    Nil
 27 - Aug    Nil
 28 - Aug    Nil
 29 - Aug    P         ENZ         033502              Compr to NE
             P         ENZ         182318              Compr to NW
 30 - Aug    Nil
 31 - Aug    Nil
     Preliminary Analysis of the Seismograph at HKPS for Sep 2022

  Date      phase   Component    Time (UTC)    Δ*        Remarks
                                  HHMMSS
Year 2022
  1 - Sep    Nil
  2 - Sep    P         ENZ         224746              Compr to SE
  3 - Sep    Nil
  4 - Sep    Nil
  5 - Sep    P         ENZ         045523              Compr to NW
  6 - Sep    Nil
  7 - Sep    Nil
  8 - Sep    Nil
  9 - Sep    P         ENZ         233830              Compr to NW
 10 - Sep    P         ENZ         231631              Compr to NE
             P         ENZ         235447              Compr to SE
 11 - Sep    Nil
 12 - Sep    Nil
 13 - Sep    Nil
 14 - Sep    P         ENZ         111503              Compr to NW
 15 - Sep    Nil
 16 - Sep    Nil
 17 - Sep    P         ENZ         134258              Compr to NW
 18 - Sep    P         ENZ         064557              Compr to NE
 19 - Sep    P         ENZ         182411              Compr to NW
 20 - Sep    Nil
 21 - Sep    Nil
 22 - Sep    Nil
 23 - Sep    P         ENZ         205823              Compr to NE
 24 - Sep    Nil
 25 - Sep    Nil
 26 - Sep    Nil
 27 - Sep    P         ENZ         115511              Compr to NE
 28 - Sep    Nil
 29 - Sep    P         ENZ         222635              Compr to NE
 30 - Sep    Nil