Tsunami Warning for California

ITIC Tsunami Bulletin Board
Web message at http://wcatwc.arh.noaa.gov/2011/03/11/lhvpd9/04/messagelhvpd9-04.htm

WEPA41 PAAQ 110851
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 4
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
1251 AM PST FRI MAR 11 2011

THE WARNING AND ADVISORY STATUS REGIONS HAVE CHANGED IN THIS
MESSAGE.

…THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF CALIFORNIA AND OREGON FROM POINT CONCEPCION
CALIFORNIA TO THE OREGON-WASHINGTON BORDER…

…THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF ALASKA FROM AMCHITKA PASS ALASKA/125 MILES W OF
ADAK/ TO ATTU ALASKA…

…THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO
POINT CONCEPCION CALIFORNIA…

…THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF WASHINGTON – BRITISH COLUMBIA AND ALASKA FROM THE
OREGON-WASHINGTON BORDER TO AMCHITKA PASS ALASKA/125 MILES
W OF ADAK/…

RECOMMENDED ACTIONS
A TSUNAMI HAS BEEN GENERATED WHICH IS EXPECTED TO CAUSE DAMAGE
TO THE WARNING AND/OR 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 WARNING COASTAL AREAS SHOULD MOVE INLAND TO
HIGHER GROUND.

– 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
———————— —– —— ——- ———–
TOSASHIMIZU JAPAN 32.8N 132.9E 0747UTC 00.9FT/00.27M
TOKAI JAPAN 33.8N 137.6E 0645UTC 00.8FT/00.25M
OFUNATO JAPAN 39.0N 141.8E 0605UTC 10.8FT/03.29M
HANASAKI JAPAN 43.3N 145.6E 0643UTC 09.3FT/02.82M
BOSO JAPAN 34.8N 140.8E 0609UTC 02.6FT/00.78M

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).

DEEP OCEAN SENSORS INDICATE A LARGE TSUNAMI HAS BEEN GENERATED.

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

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.

PZZ530-CAZ034-035-529-530-006-505>509-002-001-ORZ021-022-002-
001-111021-
/O.CON.PAAQ.TS.W.0006.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING POINT CONCEPCION
CALIFORNIA TO THE OREGON-WASHINGTON BORDER
1251 AM PST FRI MAR 11 2011

…THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF CALIFORNIA AND OREGON FROM POINT CONCEPCION
CALIFORNIA TO THE OREGON-WASHINGTON BORDER…

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

TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD
INUNDATION IS IMMINENT OR EXPECTED. 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.

CHARLESTON-OR 0715 PST MAR 11 SEASIDE-OR 0724 PST MAR 11
CRESCENT CITY-CA 0723 PST MAR 11 SAN FRANCISCO-CA 0808 PST MAR 11

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

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