Tuesday, September 29, 2009

WCATWC Information Statement - TW

WEAK53 PAAQ 291859
TIBAK1

PUBLIC TSUNAMI INFORMATION STATEMENT NUMBER 2
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
1159 AM PDT TUE SEP 29 2009

...A STRONG EARTHQUAKE HAS OCCURRED BUT A TSUNAMI IS NOT
EXPECTED ALONG THE CALIFORNIA/ OREGON/ WASHINGTON/
BRITISH COLUMBIA OR ALASKA COASTS...

NO WARNING... NO WATCH AND NO ADVISORY IS IN EFFECT FOR
THESE AREAS.

SEA LEVEL OBSERVATIONS INDICATE A TSUNAMI WAS GENERATED WHICH MAY
HAVE BEEN DESTRUCTIVE ALONG COASTS NEAR THE EARTHQUAKE EPICENTER.
A DAMAGING TSUNAMI IS NOT EXPECTED ALONG THE CALIFORNIA/ OREGON/
WASHINGTON/ BRITISH COLUMBIA AND ALASKA COASTS ALTHOUGH
SOME OF THESE AREAS MAY EXPERIENCE NON-DAMAGING SEA LEVEL CHANGES.

A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES

LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
APIA WEST SAMOA 13.8S 171.8W 1832UTC 0.70M/2.3FT
PAGO PAGO AMER. SAMOA 14.3S 170.7W 1825UTC 1.57M/5.1FT

TIME - TIME OF MEASUREMENT
AMPL - TSUNAMI AMPLITUDES ARE MEASURED RELATIVE TO NORMAL SEA LEVEL.
IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).

AT 1048 AM PACIFIC DAYLIGHT TIME ON SEPTEMBER 29 AN EARTHQUAKE WITH
PRELIMINARY MAGNITUDE 8.3 OCCURRED
IN THE SAMOA ISLANDS REGION.

THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII WILL ISSUE
MESSAGES FOR HAWAII AND OTHER AREAS OF THE PACIFIC OUTSIDE
CALIFORNIA/ OREGON/ WASHINGTON/ BRITISH COLUMBIA AND ALASKA.

THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT BY THE
WEST COAST/ALASKA TSUNAMI WARNING CENTER UNLESS ADDITIONAL
INFORMATION BECOMES AVAILABLE. SEE THE WEB SITE WCATWC.ARH.NOAA.GOV
FOR BASIC TSUNAMI INFORMATION - SAFETY RULES AND TSUNAMI TRAVEL
TIMES.

$$

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