Our Ref.: HKO 220/172/22


                                                                   8 August, 2012


Sir/Madam,


                       Preliminary Seismological Analysis


         Enclosed please find the preliminary seismological analysis from April to
June 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 Apr 2012

  Date      Phase     Component    Time (UTC)       ??              Remarks
                                    HHMMSS
Year 2012
  1-Apr       Nil
  2-Apr       Nil
  3-Apr       Nil
  4-Apr       Nil
  5-Apr       Nil
  6-Apr       P          ENZ          162421                Compr to SE
  7-Apr       Nil
  8-Apr       Nil
  9-Apr       Nil
 10-Apr       Nil
 11-Apr       P          ENZ          084433                Compr to NE
              P          ENZ          104919                Compr to NE
 12-Apr       Nil
 13-Apr       Nil
 14-Apr       P           NZ          111554                Compr to N
              P          ENZ          221623                Compr to SE
 15-Apr       P          ENZ          060352                Compr to NE
 16-Apr       Nil
 17-Apr       P          ENZ          072127                Compr to NW
 18-Apr       Nil
 19-Apr       Nil
 20-Apr       P          ENZ          232025                Compr to NE
 21-Apr       P          ENZ          012309                Compr to NW
 22-Apr       Nil
 23-Apr       Nil
 24-Apr       Nil
 25-Apr       P          ENZ          074735                Compr to SW
 26-Apr       Nil
 27-Apr       Nil
 28-Apr       P           Z           102009                Compr
 29-Apr       Nil
 30-Apr       Nil
            Preliminary Analysis of the Seismograph at HKPS for May 2012

  Date      Phase     Component    Time (UTC)       ??             Remarks
                                    HHMMSS
Year 2012
  1-May       Nil
  2-May       Nil
  3-May       Nil
  4-May       Nil
  5-May       Nil
  6-May       Nil
  7-May       Nil
  8-May       Nil
  9-May       Nil
 10-May       Nil
 11-May       Nil
 12-May       P          ENZ          233625               Compr to SE
 13-May       Nil
 14-May       P           Z           102039               Compr
 15-May       Nil
 16-May       Nil
 17-May       Nil
 18-May       Nil
 19-May       Nil
 20-May       P          ENZ          072607               Compr to SW
 21-May       Nil
 22-May       Nil
 23-May       P          ENZ          150833               Compr to SW
 24-May       Nil
 25-May       Nil
 26-May       Nil
 27-May       Nil
 28-May       Nil
 29-May       Nil
 30-May       Nil
 31-May       Nil
            Preliminary Analysis of the Seismograph at HKPS for Jun 2012

  Date      Phase     Component    Time (UTC)       ??              Remarks
                                    HHMMSS
Year 2012
  1-Jun       Nil
  2-Jun       Nil
  3-Jun       Nil
  4-Jun       Nil
  5-Jun       Nil
  6-Jun       Nil
  7-Jun       P           Z           091333                Compr
  8-Jun       Nil
  9-Jun       P          ENZ          210210                Compr to NE
 10-Jun       Nil
 11-Jun       Nil
 12-Jun       Nil
 13-Jun       Nil
 14-Jun       Nil
 15-Jun       P          ENZ          011844                Compr to SE
 16-Jun       P          ENZ          222046                Compr to SE
 17-Jun       Nil
 18-Jun       Nil
 19-Jun       Nil
 20-Jun       Nil
 21-Jun       Nil
 22-Jun       Nil
 23-Jun       P          ENZ          044007                Compr to NE
 24-Jun       Nil
 25-Jun       Nil
 26-Jun       Nil
 27-Jun       Nil
 28-Jun       Nil
 29-Jun       Nil
 30-Jun       Nil