Our Ref.: HKO 220/172/22


                                                                5 December, 2012


Sir/Madam,


                       Preliminary Seismological Analysis


          Enclosed please find the preliminary seismological analysis from July to
September 2012 for the station HKPS. Please note that Broadband records include
all 3 components.




                                                     Yours faithfully,




                                                       ( Mr. D.S. Lau )
                                        for Director of the Hong Kong Observatory
            Preliminary Analysis of the Seismograph at HKPS for Jul 2012

  Date      Phase     Component    Time (UTC)       ??             Remarks
                                    HHMMSS
Year 2012
  1-Jul      Nil
  2-Jul      Nil
  3-Jul      Nil
  4-Jul      Nil
  5-Jul      Nil
  6-Jul      P           ENZ         023839                 Compr to NW
  7-Jul      Nil
  8-Jul      Nil
  9-Jul      Nil
 10-Jul      Nil
 11-Jul      Nil
 12-Jul      P           ENZ         140751                 Compr to SE
 13-Jul      Nil
 14-Jul      Nil
 15-Jul      Nil
 16-Jul      Nil
 17-Jul      Nil
 18-Jul      Nil
 19-Jul      Nil
 20-Jul      P           ENZ         061822                 Compr to SW
             P            Z          064054                 Compr
             P           ENZ         141411                 Compr to SE
 21-Jul      Nil
 22-Jul      Nil
 23-Jul      Nil
 24-Jul      Nil
 25-Jul      P           ENZ         003319                 Compr to NE
 26-Jul      Nil
 27-Jul      Nil
 28-Jul      P           ENZ         201224                 Compr to NW
 29-Jul      P            Z          022524                 Dilat
 30-Jul      Nil
 31-Jul      Nil
            Preliminary Analysis of the Seismograph at HKPS for Aug 2012

  Date      Phase     Component    Time (UTC)       ??             Remarks
                                    HHMMSS
Year 2012
  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        P          Z           184829               Compr
 11-Aug        P          Z           124438               Compr
 12-Aug        P         ENZ          105323               Compr to SE
 13-Aug       Nil
 14-Aug        P         ENZ          030558               Compr to SW
 15-Aug       Nil
 16-Aug       Nil
 17-Aug       Nil
 18-Aug       P          ENZ          094715               Compr to NW
 19-Aug       Nil
 20-Aug       Nil
 21-Aug       Nil
 22-Aug       Nil
 23-Aug       Nil
 24-Aug       Nil
 25-Aug       Nil
 26-Aug        P         ENZ          151039               Compr to SE
 27-Aug       Nil
 28-Aug       Nil
 29-Aug       Nil
 30-Aug       Nil
 31-Aug        P         ENZ          055239               Compr to SW
              P          ENZ          125125               Compr to SE
            Preliminary Analysis of the Seismograph at HKPS for Sep 2012

  Date      Phase     Component    Time (UTC)       ??               Remarks
                                    HHMMSS
Year 2012
  1-Sep       P          ENZ          191817                Compr to SW
  2-Sep       Nil
  3-Sep       P          ENZ          065403                Compr to SE
              P          ENZ          182939                Compr to NW
  4-Sep       Nil
  5-Sep       P          ENZ          150140                Compr to SW
  6-Sep       Nil
  7-Sep       Nil
  8-Sep       Nil
  9-Sep       Nil
 10-Sep       Nil
 11-Sep       Nil
 12-Sep       Nil
 13-Sep       Nil
 14-Sep       P          ENZ          045744                Compr to NE
 15-Sep       Nil
 16-Sep       Nil
 17-Sep       Nil
 18-Sep       Nil
 19-Sep       Nil
 20-Sep       Nil
 21-Sep       Nil
 22-Sep       Nil
 23-Sep       Nil
 24-Sep       Nil
 25-Sep       Nil
 26-Sep       Nil
 27-Sep       Nil
 28-Sep       Nil
 29-Sep       Nil
 30-Sep       P           Z           165109                Dilate