WEHW40 PHEB 291859
TSUHWX

HIZ001>003-005>009-012>014-016>021-023>026-292059-
/O.CON.PHEB.TS.A.0001.090929T1859Z-000000T0000Z/
 
BULLETIN
TSUNAMI MESSAGE NUMBER   2
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
857 AM HST TUE SEP 29 2009

TO - CIVIL DEFENSE IN THE STATE OF HAWAII

SUBJECT - TSUNAMI WATCH SUPPLEMENT

A TSUNAMI WATCH CONTINUES IN EFFECT FOR THE STATE OF HAWAII.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
NOTE MOMENT MAGNITUDE INCREASE TO 8.3

   ORIGIN TIME - 0748 AM HST 29 SEP 2009
   COORDINATES - 15.3 SOUTH  171.0 WEST
   LOCATION    - SAMOA ISLANDS REGION
   MAGNITUDE   - 8.3  MOMENT
   MAGNITUDE   - 8.0  RICHTER (MS)

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

 GAUGE LOCATION        LAT   LON    TIME        AMPL         PER
 -------------------  ----- ------  -----  ---------------  -----
 APIA UPOLU WS        13.8S 171.8W  1832Z   0.70M /  2.3FT  08MIN
 PAGO PAGO AS         14.3S 170.7W  1812Z   1.57M /  5.1FT  04MIN

 LAT  - LATITUDE (N-NORTH, S-SOUTH)
 LON  - LONGITUDE (E-EAST, W-WEST)
 TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME)
 AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL.
        IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
        VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).
 PER  - PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT.

EVALUATION

 BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY
 THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN
 FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE
 IF THERE IS A TSUNAMI THREAT TO HAWAII.

 IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF
 THE FIRST TSUNAMI WAVE IS

                     0111 PM HST TUE 29 SEP 2009

MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.