Saturday, February 27, 2010

WCATWC Information Statement - TW

WEAK53 PAAQ 270958
TIBAK1

PUBLIC TSUNAMI INFORMATION STATEMENT NUMBER 4
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
158 AM PST SAT FEB 27 2010

...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.

A TSUNAMI HAS BEEN GENERATED THAT COULD POTENTIALLY
IMPACT THE U.S. WEST COAST/ BRITISH COLUMBIA AND ALASKA.
THE WEST COAST/ALASKA TSUNAMI WARNING CENTER IS INVESTIGATING
THE EVENT TO DETERMINE THE LEVEL OF DANGER. MORE INFORMATION
WILL BE ISSUED AS IT BECOMES AVAILABLE.

A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES

LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
40MIN SAN FELX C 26.3S 80.1W 0809UTC 0.69M/2.3FT
27MIN CORRAL CHILE 39.9S 73.4W 0727UTC 1.45M/4.8FT
40MIN TALCAHUANO C 36.7S 73.1W 0659UTC 1.80M/6.0FT
VALPARAISO C 33.0S 71.6W 0708UTC 2.60M/8.6FT

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 1034 PM PACIFIC STANDARD TIME ON FEBRUARY 26 AN EARTHQUAKE WITH
PRELIMINARY MAGNITUDE 8.8 OCCURRED
NEAR THE COAST OF CENTRAL CHILE.

THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII WILL ISSUE
A TSUNAMI WARNING FOR REGIONS NEAR THE EPICENTER.

MESSAGES WILL CONTINUE TO BE ISSUED HOURLY BY THE
WCATWC UNTIL THE EVENT STATUS IS UPGRADED TO A WARNING OR ADVISORY
OR UNTIL THE CENTER HAS DETERMINED THAT THE EVENT POSES NO THREAT
TO THE CALIFORNIA/ OREGON/ WASHINGTON/ BRITISH COLUMBIA AND
ALASKA COASTS. SEE THE WEB SITE WCATWC.ARH.NOAA.GOV FOR BASIC
TSUNAMI INFORMATION - SAFETY RULES AND TSUNAMI TRAVEL TIMES.

$$

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