WCATWC: TUSNAMI BULLETIN 22 | 2011 MARCH 11 – 0649 PM PST

For more information, please see latest bulletins at the West Coast & Alaska Tsunami Warning Center.

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WEPA41 PAAQ 120249
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 22
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
649 PM PST FRI MAR 11 2011

THE ADVISORY HAS BEEN CANCELED FOR BRITISH COLUMBIA...
WASHINGTON AND NORTHERN OREGON.

...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
   AREAS OF CALIFORNIA AND OREGON FROM THE CALIFORNIA-MEXICO
   BORDER TO CASCADE HEAD OREGON/70 MILES SW OF PORTLAND/...

...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM CHIGNIK BAY ALASKA TO ATTU ALASKA...

...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS
   OF OREGON - WASHINGTON AND BRITISH COLUMBIA FROM CASCADE
   HEAD OREGON/70 MILES SW OF PORTLAND/ TO THE ALASKA-BRITISH
   COLUMBIA BORDER...

...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
   ALASKA FROM THE ALASKA-BRITISH COLUMBIA BORDER TO CHIGNIK
   BAY ALASKA...

RECOMMENDED ACTIONS
 A TSUNAMI HAS BEEN GENERATED WHICH IS EXPECTED TO IMPACT THE
 ADVISORY REGIONS LISTED IN THE HEADLINE. PERSONS IN LOW-LYING
 COASTAL AREAS SHOULD BE ALERT TO INSTRUCTIONS FROM THEIR LOCAL
 EMERGENCY OFFICIALS. EVACUATIONS ARE ONLY ORDERED BY EMERGENCY
 RESPONSE AGENCIES.
 - PERSONS IN TSUNAMI ADVISORY COASTAL AREAS SHOULD MOVE OUT OF
   THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS.

MEASUREMENTS OR REPORTS OF TSUNAMI ACTIVITY

 LOCATION                   LAT    LON     TIME        AMPL
 ------------------------  -----  ------  -------     -----------
 POINT REYES  CA           38.0N  123.0W  1810UTC   04.5FT/01.38M
 PORT ORFORD  OR           42.7N  124.5W  1724UTC   06.1FT/01.85M
 ADAK  AK                  51.9N  176.6W  1755UTC   03.6FT/01.09M
 KODIAK  AK                57.7N  152.5W  2211UTC   00.9FT/00.28M
 LOS ANGELES  CA           33.7N  118.3W  2115UTC   01.7FT/00.51M
 SAN DIEGO  CA             32.7N  117.2W  2131UTC   01.7FT/00.51M
 LA JOLLA  CA              32.9N  117.3W  2007UTC   01.4FT/00.43M
 WESTPORT  WA              46.9N  124.1W  1920UTC   02.0FT/00.62M
 ST PAUL IS.  AK           57.1N  170.3W  1228UTC   02.1FT/00.65M
 OLD HARBOR  AK            57.2N  153.3W  2154UTC   01.1FT/00.33M
 DUTCH HARBOR  AK          53.9N  166.5W  1204UTC   01.3FT/00.41M
 SHEMYA  AK                52.7N  174.1E  1136UTC   05.2FT/01.58M
 CRESCENT CITY  CA         41.7N  124.2W  1656UTC   08.2FT/02.49M
 SAN FRANCISCO  CA         37.8N  122.5W  1749UTC   02.1FT/00.64M
 MONTEREY HARBOR  CA       36.6N  121.9W  2013UTC   02.4FT/00.72M
 NORTH SPIT  CA            40.8N  124.2W  1639UTC   03.3FT/01.01M
 SANTA BARBARA  CA         34.4N  119.7W  2229UTC   03.2FT/00.97M
 SANTA MONICA  CA          34.0N  118.5W  2223UTC   02.8FT/00.84M
 NEAH BAY  WA              48.4N  124.6W  0051UTC   01.8FT/00.56M

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).

 TSUNAMI AMPLITUDES CONTINUE TO DECREASE ALONG THE U.S. WEST
 COAST... BRITISH COLUMBIA AND ALASKA.  HOWEVER... SOME
 GAGES CONTINUE TO REPORT TSUNAMI AMPLITUDES OF DANGEROUS
 LEVELS.

PRELIMINARY EARTHQUAKE PARAMETERS
 MAGNITUDE - 8.9
 TIME      - 2046 AKST MAR 10 2011
             2146  PST MAR 10 2011
             0546  UTC MAR 11 2011
 LOCATION  - 38.3 NORTH 142.4 EAST
           - NEAR EAST COAST OF HONSHU JAPAN
 DEPTH     - 12 MILES/20 KM

TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING
STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE
WATER IS EXPECTED.  SIGNIFICANT WIDESPREAD INUNDATION
IS NOT EXPECTED FOR AREAS UNDER AN ADVISORY.  CURRENTS MAY BE
HAZARDOUS TO SWIMMERS... BOATS... AND COASTAL STRUCTURES 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
WWW.WEATHER.GOV/PTWC.

THIS MESSAGE WILL BE UPDATED IN 60 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.

ORZ001-WAZ001-021-510-514>517-BCZ130-230-250-260-280-160-142-
141-150-121-122-220-210-922-912-921-911-110-120419-
/O.CAN.PAAQ.TS.Y.0006.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING CASCADE HEAD OREGON/70
MILES SW OF PORTLAND/ TO THE ALASKA-BRITISH COLUMBIA BORDER
649 PM PST FRI MAR 11 2011

...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS
   OF OREGON - WASHINGTON AND BRITISH COLUMBIA FROM CASCADE
   HEAD OREGON/70 MILES SW OF PORTLAND/ TO THE ALASKA-BRITISH
   COLUMBIA BORDER...

$$

PZZ530-CAZ042-043-040-041-087-039-034-035-529-530-006-505>509-
002-001-ORZ021-022-002-120419-
/O.CON.PAAQ.TS.Y.0006.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING THE CALIFORNIA-MEXICO
BORDER TO CASCADE HEAD OREGON/70 MILES SW OF PORTLAND/
649 PM PST FRI MAR 11 2011

...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
   AREAS OF CALIFORNIA AND OREGON FROM THE CALIFORNIA-MEXICO
   BORDER TO CASCADE HEAD OREGON/70 MILES SW OF PORTLAND/...

PERSONS IN TSUNAMI ADVISORY COASTAL AREAS SHOULD MOVE OUT OF
THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS.

TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING
STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR
WATER IS IMMINENT OR EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION
IS NOT EXPECTED FOR AREAS IN AN ADVISORY. TSUNAMIS ARE A SERIES OF
WAVES POTENTIALLY DANGEROUS SEVERAL HOURS AFTER INITIAL ARRIVAL
TIME. 

$$

AKZ181-185-187-191-120419-
/O.CON.PAAQ.TS.Y.0006.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING CHIGNIK BAY ALASKA TO
ATTU ALASKA
649 PM PST FRI MAR 11 2011

...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM CHIGNIK BAY ALASKA TO ATTU ALASKA...

PERSONS IN TSUNAMI ADVISORY COASTAL AREAS SHOULD MOVE OUT OF
THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS.

TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING
STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR
WATER IS IMMINENT OR EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION
IS NOT EXPECTED FOR AREAS IN AN ADVISORY. TSUNAMIS ARE A SERIES OF
WAVES POTENTIALLY DANGEROUS SEVERAL HOURS AFTER INITIAL ARRIVAL
TIME. 

$$
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