Our Ref.: HKO 220/172/22


                                                                  20 August, 2013


Sir/Madam,


                       Preliminary Seismological Analysis


         Enclosed please find the preliminary seismological analysis from April to
June 2013 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 2013

  Date      Phase     Component    Time (UTC)       ??             Remarks
                                    HHMMSS
Year 2013
  1-Apr       Nil
  2-Apr       Nil
  3-Apr       Nil
  4-Apr       Nil
  5-Apr       Nil
  6-Apr       Nil
  7-Apr       Nil
  8-Apr       Nil
  9-Apr       Nil
 10-Apr       Nil
 11-Apr       Nil
 12-Apr       Nil
 13-Apr       Nil
 14-Apr       P          ENZ          014108               Compr to NW
 15-Apr       Nil
 16-Apr        P         ENZ          105246                Compr to SW
 17-Apr       Nil
 18-Apr       Nil
 19-Apr        P         ENZ          031305               Compr to SW
 20-Apr       P          ENZ          000551               Compr to NW
              P          ENZ          132055               Compr to SW
 21-Apr       P          ENZ          032653               Compr to NE
 22-Apr       Nil
 23-Apr        P         ENZ          232302                Compr to SE
 24-Apr       Nil
 25-Apr       Nil
 26-Apr       Nil
 27-Apr       Nil
 28-Apr       Nil
 29-Apr       Nil
 30-Apr       Nil
            Preliminary Analysis of the Seismograph at HKPS for May 2013

  Date      Phase     Component    Time (UTC)       ??             Remarks
                                    HHMMSS
Year 2013
  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        P         ENZ          205845               Compr to SE
 12-May       Nil
 13-May       Nil
 14-May        P          EZ          003744               Compr to W
 15-May       Nil
 16-May       Nil
 17-May       Nil
 18-May       Nil
 19-May       Nil
 20-May       Nil
 21-May       P           Z           020337               Dilat
              P           Z           055143               Compr
 22-May       Nil
 23-May        P         ENZ          173059               Compr to SE
              P          ENZ          211943               Compr to SE
 24-May        P         ENZ          055203               Compr to SE
              P          ENZ          150326               Compr to NE
 25-May       Nil
 26-May        P          Z           061617               Compr
 27-May       Nil
 28-May       Nil
 29-May       Nil
 30-May       Nil
 31-May       Nil
            Preliminary Analysis of the Seismograph at HKPS for Jun 2013

  Date      Phase     Component    Time (UTC)       ??              Remarks
                                    HHMMSS
Year 2013
  1-Jun       Nil
  2-Jun       P          ENZ          054439                Compr to NE
              P          ENZ          201241                Compr to NW
  3-Jun       Nil
  4-Jun       Nil
  5-Jun        P          Z           045737                Compr
  6-Jun       Nil
  7-Jun       Nil
  8-Jun       Nil
  9-Jun       Nil
 10-Jun       Nil
 11-Jun       Nil
 12-Jun       Nil
 13-Jun       P          NZ           165401                Compr to N
 14-Jun       Nil
 15-Jun       Nil
 16-Jun       Nil
 17-Jun       Nil
 18-Jun       Nil
 19-Jun       Nil
 20-Jun       Nil
 21-Jun       Nil
 22-Jun       Nil
 23-Jun       Nil
 24-Jun       Nil
 25-Jun       Nil
 26-Jun       Nil
 27-Jun       Nil
 28-Jun       Nil
 29-Jun       Nil
 30-Jun       Nil