WEPA41 PAAQ 280713
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 25
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
1113 PM PST SAT FEB 27 2010

...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS
   OF ALASKA FROM SAND POINT ALASKA TO ATTU ALASKA...

EVALUATION
 NO DESTRUCTIVE TSUNAMI THREAT EXISTS FOR ALASKA/ BRITISH COLUMBIA/
 WASHINGTON/ OREGON OR CALIFORNIA. HOWEVER SOME AREAS MAY
 EXPERIENCE NON-DAMAGING SEA LEVEL CHANGES. AS LOCAL CONDITIONS
 CAN CAUSE A WIDE VARIATION IN TSUNAMI WAVE ACTION THE ALL
 CLEAR DETERMINATIONS MUST BE MADE BY LOCAL AUTHORITIES.

A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES

 LOCATION                   LAT    LON     TIME        AMPL
 ------------------------  -----  ------  -------     -----------
 ADAK  AK                  51.9N  176.6W  0440UTC     0.38M/1.2FT
 ALITAK  AK                56.8N  154.3W  0516UTC     0.24M/0.8FT
 DUTCH HARBOR  AK          53.9N  166.5W  0313UTC     0.21M/0.7FT
 KING COVE  AK             55.1N  162.3W  0230UTC     0.62M/2.0FT
 KODIAK  AK                57.7N  152.5W  0221UTC     0.44M/1.4FT
 SAND POINT  AK            55.3N  160.5W  0409UTC     0.40M/1.3FT
 SEWARD  AK                60.1N  149.4W  0143UTC     0.38M/1.3FT
 SHEMYA  AK                52.7N  174.1E  0519UTC     0.27M/0.9FT
 SITKA  AK                 57.1N  135.3W  0223UTC     0.21M/0.7FT
 ATKA  AK                  52.1N  174.4W  0417UTC     0.40M/1.3FT

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).

PRELIMINARY EARTHQUAKE PARAMETERS
 MAGNITUDE - 8.8
 TIME      - 2134 AKST FEB 26 2010
             2234  PST FEB 26 2010
             0634  UTC FEB 27 2010
 LOCATION  - 36.1 SOUTH 72.6 WEST
           - NEAR COAST OF CENTRAL CHILE     
 DEPTH     - 34 MILES/55 KM

THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII IS CONTINUING
ITS WARNING AND WATCH FOR AREAS OUTSIDE THE STATES AND PROVINCES
PREVIOUSLY LISTED.

THIS WILL BE THE LAST WEST COAST/ALASKA TSUNAMI WARNING
CENTER MESSAGE ISSUED FOR THIS EVENT UNLESS CONDITIONS WARRANT
FURTHER INFORMATION.
THIS INFORMATION IS ALSO POSTED AT NTWC.ARH.NOAA.GOV.

PKZ155-170-171-172-175-176-AKZ181-185-187-191-280913-
/O.CAN.PAAQ.TS.Y.0005.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING SAND POINT ALASKA TO
ATTU ALASKA
1113 PM PST SAT FEB 27 2010

...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS
   OF ALASKA FROM SAND POINT ALASKA TO ATTU ALASKA...

$$