Pacific Wide Tsunami Warnings

 

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# 5369

 


Pacific wide Tsunami warnings are now being issued across the entire pacific in the wake of the 8.9 earthquake off the coast of Honshu. T

 

Tsunami waves in excess of 7 meters have now been reported in Northern Japan.

 

A TSUNAMI WARNING IS IN EFFECT FOR:


JAPAN / RUSSIA / MARCUS IS. / N. MARIANAS / GUAM / WAKE IS. / TAIWAN / YAP / PHILIPPINES / MARSHALL IS. / BELAU / MIDWAY IS. / POHNPEI / CHUUK / KOSRAE / INDONESIA / PAPUA NEW GUINEA / NAURU / JOHNSTON IS. / SOLOMON IS. / KIRIBATI / HOWLAND-BAKER / HAWAII / TUVALU / PALMYRA IS. / VANUATU / TOKELAU / JARVIS IS. / WALLIS-FUTUNA / SAMOA / AMERICAN SAMOA / COOK ISLANDS / NIUE / AUSTRALIA / FIJI / NEW CALEDONIA / TONGA / MEXICO / KERMADEC IS / FR. POLYNESIA / NEW ZEALAND / PITCAIRN / GUATEMALA / EL SALVADOR / COSTA RICA / NICARAGUA / ANTARCTICA / PANAMA / HONDURAS / CHILE / ECUADOR / COLOMBIA / PERU



 



The following excerpt is from the Tsunami warning issued for Hawaii. 




BULLETIN

TSUNAMI MESSAGE NUMBER   3


NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI


931 PM HST THU MAR 10 2011


TO - CIVIL DEFENSE IN THE STATE OF HAWAII



SUBJECT - TSUNAMI WARNING






A TSUNAMI WARNING IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 931 PM HST.


AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS





   ORIGIN TIME - 0746 PM HST 10 MAR 2011


   COORDINATES - 38.2 NORTH  142.5 EAST


   LOCATION    - NEAR EAST COAST OF HONSHU   JAPAN    MAGNITUDE   - 8.8  MOMENT



<SNIP>







A TSUNAMI HAS BEEN GENERATED THAT COULD CAUSE DAMAGE ALONG COASTLINES OF ALL ISLANDS IN THE STATE OF HAWAII. URGENT ACTION SHOULD BE TAKEN TO PROTECT LIVES AND PROPERTY.



 



A TSUNAMI IS A SERIES OF LONG OCEAN WAVES. EACH INDIVIDUAL WAVE CREST CAN LAST 5 TO 15 MINUTES OR MORE AND EXTENSIVELY FlOOD COASTAL AREAS. THE DANGER CAN CONTINUE FOR MANY HOURS AFTER THE  INITIAL WAVE AS SUBSEQUENT WAVES ARRIVE. TSUNAMI WAVE HEIGHTS CANNOT BE PREDICTED AND THE FIRST WAVE MAY NOT BE THE LARGEST.



 



TSUNAMI WAVES EFFICIENTLY WRAP AROUND ISLANDS. ALL SHORES ARE AT RISK NO MATTER WHICH DIRECTION THEY FACE. THE TROUGH OF A TSUNAMI WAVE MAY TEMPORARILY EXPOSE THE SEAFLOOR BUT THE AREA WILL QUICKLY FLOOD AGAIN. EXTREMELY STRONG AND UNUSUAL NEARSHORE CURRENTS CAN ACCOMPANY A TSUNAMI. DEBRIS PICKED UP AND CARRIED BY A TSUNAMI AMPLIFIES ITS DESTRUCTIVE POWER. SIMULTANEOUS HIGH TIDES OR HIGH SURF CAN SIGNIFICANTLY INCREASE THE TSUNAMI HAZARD.



 



THE ESTIMATED ARRIVAL TIME IN HAWAII OF THE FIRST TSUNAMI WAVE IS  0259 AM HST FRI 11 MAR 2011



 



MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.



 



For the latest Tsunami warnings go to the Pacific Tsunami Warning Center.

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