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NWS-WCATWC Tsunami Warning

WEPA41 PAAQ 280448
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 4
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
948 PM PDT SAT OCT 27 2012

THE TSUNAMI HAS BEEN RECORDED WITH SMALL AMPLITUDES IN SE ALASKA.
FORECASTS INDICATE HEIGHTS IN S CENTRAL ALASKA BELOW 30CM.
THE WARNING AREA REMAINS THE SAME.

...THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
   AREAS OF BRITISH COLUMBIA AND ALASKA FROM THE NORTH TIP OF
   VANCOUVER ISLAND BRITISH COLUMBIA TO CAPE DECISION
   ALASKA/LOCATED 85 MILES SE OF SITKA/...

...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
   CALIFORNIA - OREGON - WASHINGTON AND BRITISH COLUMBIA FROM
   THE CALIFORNIA-MEXICO BORDER TO THE NORTH TIP OF VANCOUVER
   ISLAND BRITISH COLUMBIA...

...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
   ALASKA FROM CAPE DECISION ALASKA/LOCATED 85 MILES SE OF
   SITKA/ TO ATTU ALASKA...

RECOMMENDED ACTIONS
 A TSUNAMI HAS BEEN GENERATED WHICH IS EXPECTED TO DAMAGE THE
 WARNING REGIONS LISTED IN THE HEADLINE. PEOPLE IN LOW-LYING
 COASTAL AREAS SHOULD BE ALERT TO INSTRUCTIONS FROM THEIR LOCAL
 EMERGENCY OFFICIALS. EVACUATIONS ARE ONLY ORDERED BY EMERGENCY
 RESPONSE AGENCIES.
 - IF IN A TSUNAMI WARNING COASTAL AREA MOVE INLAND TO
   HIGHER GROUND.

MEASUREMENTS OR REPORTS OF TSUNAMI ACTIVITY

 LOCATION                   LAT    LON     TIME        AMPL
 ------------------------  -----  ------  -------     -----------
 DART46419PT NW SEATTLE    48.8N  129.6W  0345UTC   00.2FT/00.07M
 CRAIG  AK                 55.5N  133.1W  0425UTC   00.3FT/00.09M
 PORT ALEXANDER  AK        56.2N  134.6W  0410UTC   00.3FT/00.08M

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 - 7.7
 TIME      - 1904 AKDT OCT 27 2012
             2004  PDT OCT 27 2012
             0304  UTC OCT 28 2012
 LOCATION  - 52.9 NORTH 131.9 WEST
              25 MILES/40 KM S OF SANDSPIT BRITISH COLUMBIA
             385 MILES/620 KM SE OF JUNEAU ALASKA
 DEPTH     - 12 MILES/19 KM

TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD
INUNDATION IS IMMINENT... EXPECTED OR OCURRING.  WARNINGS INDICATE
THAT WIDESPREAD DANGEROUS COASTAL FLOODING ACCOMPANIED BY POWERFUL
CURRENTS IS POSSIBLE AND MAY CONTINUE FOR SEVERAL HOURS AFTER THE
INITIAL WAVE ARRIVAL.

PACIFIC COASTAL REGIONS OUTSIDE CALIFORNIA/ OREGON/ WASHINGTON/ 
BRITISH COLUMBIA AND ALASKA SHOULD REFER TO THE PACIFIC TSUNAMI 
WARNING CENTER MESSAGES FOR INFORMATION ON THIS EVENT AT
PTWC.WEATHER.GOV.

THIS MESSAGE WILL BE UPDATED IN 30 MINUTES OR SOONER IF
THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN IN EFFECT
UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE
WCATWC.ARH.NOAA.GOV FOR MORE INFORMATION.

BCZ220-210-922-912-921-911-110-AKZ026>029-280548-
/O.CON.PAAQ.TS.W.0024.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING THE NORTH TIP OF
VANCOUVER ISLAND BRITISH COLUMBIA TO CAPE DECISION
ALASKA/LOCATED 85 MILES SE OF SITKA/
948 PM PDT SAT OCT 27 2012

...THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
   AREAS OF BRITISH COLUMBIA AND ALASKA FROM THE NORTH TIP OF
   VANCOUVER ISLAND BRITISH COLUMBIA TO CAPE DECISION
   ALASKA/LOCATED 85 MILES SE OF SITKA/...

PEOPLE IN TSUNAMI WARNING COASTAL AREAS SHOULD MOVE INLAND TO
HIGHER GROUND.

TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD
INUNDATION IS IMMINENT... EXPECTED OR OCCURRING.  TSUNAMIS ARE A
SERIES OF WAVES POTENTIALLY DANGEROUS SEVERAL HOURS AFTER INITIAL
ARRIVAL TIME.

ESTIMATED TIMES OF INITIAL WAVE ARRIVAL FOR SELECTED
SITES IN THE WARNING ARE PROVIDED BELOW.

LANGARA          2116  PDT OCT 27  CRAIG            2110 AKDT OCT 27

FOR ARRIVAL TIMES AT ADDITIONAL LOCATIONS SEE
WCATWC.ARH.NOAA.GOV

$$

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