WEAK51 PAAQ 111151
TSUAK1
BULLETIN
PUBLIC TSUNAMI MESSAGE NUMBER 7
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
351 AM PST FRI MAR 11 2011
NO NEW UPDATES SINCE LAST MESSAGE.
...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF ALASKA FROM NIKOLSKI ALASKA TO AMCHITKA PASS
ALASKA/125 MILES W OF ADAK/...
...THE TSUNAMI ADVISORY IS EXPANDED TO INCLUDE THE COASTAL
AREAS OF ALASKA FROM AMCHITKA PASS ALASKA/125 MILES W OF
ADAK/ TO ATTU ALASKA...
...A TSUNAMI WATCH IS NOW IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO
BORDER TO POINT CONCEPCION CALIFORNIA...
...A TSUNAMI WATCH IS NOW IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF CALIFORNIA AND OREGON FROM POINT
CONCEPCION CALIFORNIA TO THE OREGON-WASHINGTON BORDER...
...A TSUNAMI WATCH IS NOW IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF WASHINGTON - BRITISH COLUMBIA AND ALASKA
FROM THE OREGON-WASHINGTON BORDER TO NIKOLSKI ALASKA...
A TSUNAMI ADVISORY MEANS 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.
A TSUNAMI WATCH MEANS... ALL COASTAL RESIDENTS IN THE WATCH AREA
SHOULD PREPARE FOR POSSIBLE EVACUATION. A TSUNAMI WATCH IS ISSUED
TO AREAS WHICH WILL NOT BE IMMEDIATELY IMPACTED BY THE TSUNAMI.
WATCH AREAS WILL EITHER BE UPGRADED TO WARNING OR ADVISORY STATUS
OR CANCELED.
AT 328 AM PACIFIC STANDARD TIME ON MARCH 11 AN EARTHQUAKE WITH
PRELIMINARY MAGNITUDE 8.9 OCCURRED
NEAR THE EAST COAST OF HONSHU JAPAN.
THIS EARTHQUAKE HAS GENERATED A TSUNAMI WHICH COULD CAUSE DAMAGE
TO REGIONS IN A WARNING OR ADVISORY.
THE WAVES WILL FIRST REACH
SHEMYA ALASKA AT 555 AM AKST ON MARCH 11.
ESTIMATED TSUNAMI ARRIVAL TIMES AND MAPS ALONG WITH SAFETY RULES
AND OTHER INFORMATION CAN BE FOUND ON THE WEB SITE
WCATWC.ARH.NOAA.GOV.
MEASUREMENTS OR REPORTS OF TSUNAMI ACTIVITY
LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
SHEMYA AK 52.7N 174.1E 1130UTC 05.1FT/01.56M
ADAK AK 51.9N 176.6W 1112UTC 01.5FT/00.46M
BOSO JAPAN 34.8N 140.8E 0600UTC 02.5FT/00.75M
NAHA JAPAN 26.2N 127.7E 1023UTC 01.5FT/00.46M
OFUNATO JAPAN 39.0N 141.8E 0603UTC 10.7FT/03.25M
OMAEZAKI JAPAN 34.6N 138.2E 0809UTC 04.6FT/01.39M
TOKAI JAPAN 33.8N 137.6E 0649UTC 00.8FT/00.23M
TOSASHIMIZU JAPAN 32.8N 132.9E 0753UTC 03.0FT/00.91M
KWAJALEIN MARSHALL ISL 8.7N 167.7E 1049UTC 01.0FT/00.30M
MIDWAY IS. USA 28.2N 177.4W 1044UTC 05.1FT/01.55M
WAKE IS. USA 19.3N 166.6E 0918UTC 01.7FT/00.52M
LEGASPI PHILIPPINES 13.2N 123.8E 1020UTC 01.1FT/00.32M
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 OBSEVEED ON DEEP OCEAN BUOY
UPGRADED MAGNITUDE TO 8.8
OFUNATO 3.3 METERS/11 FT
HANASAKI 2.8 METERS/ 8.5 FT
TSUNAMIS CAN BE DANGEROUS WAVES THAT ARE NOT SURVIVABLE. WAVE
HEIGHTS ARE AMPLIFIED BY IRREGULAR SHORELINE AND ARE DIFFICULT TO
FORECAST. TSUNAMIS OFTEN APPEAR AS A STRONG SURGE AND MAY BE
PRECEDED BY A RECEDING WATER LEVEL. MARINERS IN WATER DEEPER
THAN 600 FEET SHOULD NOT BE AFFECTED BY A TSUNAMI. WAVE HEIGHTS
WILL INCREASE RAPIDLY AS WATER SHALLOWS. TSUNAMIS ARE A SERIES OF
OCEAN WAVES WHICH CAN BE DANGEROUS FOR SEVERAL HOURS AFTER THE
INITIAL WAVE ARRIVAL. DO NOT RETURN TO EVACUATED AREAS UNTIL AN
ALL CLEAR IS GIVEN BY LOCAL CIVIL AUTHORITIES.
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 30 MINUTES OR SOONER IF
THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN
IN EFFECT UNTIL FURTHER NOTICE. FOR FURTHER INFORMATION STAY TUNED
TO NOAA WEATHER RADIO... YOUR LOCAL TV OR RADIO STATIONS... OR SEE
THE WEB SITE WCATWC.ARH.NOAA.GOV.
$$
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