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WEPA40 RJTD 032254

TSUNAMI BULLETIN NUMBER 001

   ISSUED BY NWPTAC(JMA) 

   ISSUED AT 2251Z 03 JAN 2009

PART 01 OF 01 PARTS



HYPOCENTRAL PARAMETERS

ORIGIN TIME:2234Z 03 JAN 2009

PRELIMINARY EPICENTER:LAT 0.7SOUTH LON133.4EAST

 IRIAN JAYA, INDONESIA, REGION

 NEW GUINEA AREA

MAG:7.5(MW)

BY PTWC



EVALUATION

 THERE IS A POSSIBILITY OF A DESTRUCTIVE LOCAL TSUNAMI

 NEAR THE EPICENTER



THIS BULLETIN IS FOR

NORTH COASTS OF IRIAN JAYA



ESTIMATED TSUNAMI ARRIVAL TIME AND ESTIMATED TSUNAMI WAVE AMPLITUDE

NORTH COASTS OF IRIAN JAYA

 LOCATION              COORDINATES  ARRIVAL TIME  AMPL

 WARSA                 00.6S 135.8E 2240Z 03 JAN  3M

                                

AMPL - AMPLITUDE IN METERS FROM MIDDLE TO CREST



HOWEVER AT SOME COASTS, PARTICULARLY THOSE NEAR THE EPICENTER, HIGHER

TSUNAMIS MAY ARRIVE EARLIER THAN OUR ESTIMATION AT THE NEARBY

FORECAST POINTS

AUTHORITIES SHOULD BE AWARE OF THIS POSSIBILITY



FURTHERMORE THE EVALUATION OF TSUNAMIGENIC POTENTIAL AND ESTIMATED

ARRIVAL TIME OF TSUNAMIS MAY BE DIFFERENT FROM THOSE OF PTWC

DUE TO DIFFERENCES IN THE ESTIMATED EARTHQUAKE PARAMETERS

AUTHORITIES SHOULD USE THE EARLIEST ARRIVAL TIMES FOR

GREATEST SAFETY



THIS WILL BE THE FINAL BULLETIN UNLESS THERE ARE CHANGES ABOUT THE

POTENTIAL OF TSUNAMI GENERATION BY RE-EVALUATION OF THE EARTHQUAKE

OR THERE ARE REPORTS ON TSUNAMI OBSERVATIONS

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