Tsunami Watch Canceled by Pacific Tsunami Warning Center
TSUNAMI WATCH CANCELLATION…TSUNAMI ADVISORY IN EFFECT
http://www.prh.noaa.gov/ptwc/messages/hawaii/2009/hawaii.2009.09.29.202305.txt
BULLETIN
TSUNAMI MESSAGE NUMBER 3
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1023 AM HST TUE SEP 29 2009
TO – CIVIL DEFENSE IN THE STATE OF HAWAII
SUBJECT – TSUNAMI WATCH CANCELLATION…TSUNAMI ADVISORY IN EFFECT
THE TSUNAMI WATCH IS CANCELLED FOR THE STATE OF HAWAII EFFECTIVE AT 1023 AM HST AND A TSUNAMI ADVISORY IS IN EFFECT.
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
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
——————- —– —— —– ————— —–
RAROTONGA CK 21.2S 159.8W 1951Z 0.47M / 1.5FT 08MIN
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 MAJOR TSUNAMI IS NOT EXPECTEDTO STRIKE THE STATE OF HAWAII. HOWEVER SEA LEVEL CHANGES AND STRONG CURRENTS MAY OCCUR ALONG THE COAST THAT COULD BE A HAZARD TO SWIMMERS…BOATERS AND BEACHES. THEREFORE THE TSUNAMI WATCH FOR HAWAII IS CANCELLED BUT A TSUNAMI ADVISORY IS IN EFFECT.
THE ESTIMATED TIME SUCH EFFECTS MIGHT BEGIN IS
100 PM HST TUE 29 SEP 2009
UNLESS FURTHER INFORMATION IS RECEIVED THE ADVISORY IS IN EFFECT UNTIL 700 PM HST TUE 29 SEP 2009
THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS ADDITIONAL DATA ARE RECEIVED.
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