A small tsunami was officially recorded
Posted by JAC on 1/13/2010, 6:22 am
TSUNAMI MESSAGE NUMBER   3
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
2345 UTC TUE JAN 12 2010

THIS MESSAGE APPLIES TO COUNTRIES WITHIN AND BORDERING THE
CARIBBEAN SEA...EXCEPT FOR PUERTO RICO AND THE VIRGIN ISLANDS.

... THE TSUNAMI WATCH IS CANCELLED ...

THIS BULLETIN IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES.  ONLY
NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE
DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND
ANY ACTIONS TO BE TAKEN IN RESPONSE.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME -  2153Z 12 JAN 2010
COORDINATES -  18.5 NORTH   72.5 WEST
LOCATION    -  HAITI REGION
MAGNITUDE   -  7.1

EVALUATION

A TSUNAMI MEASURING 12 CM CREST-TO-TROUGH WAS RECORDED AT SANTO
DOMINGO IN THE DOMINICAN REPUBLIC AND A TSUNAMI LESS THAN 1 CM
CREST-TO-TROUGH WAS RECORDED ON A DEEP OCEAN GAUGE IN THE
EAST-CENTRAL CARIBBEAN.  BASED ON THESE DATA THERE COULD HAVE
BEEN DESTRUCTIVE TSUNAMI WAVES NEAR THE EARTHQUAKE EPICENTER
BUT THERE IS NOT A THREAT TO COASTAL AREAS FURTHER AWAY.
THEREFORE THE TSUNAMI WATCH ISSUED BY THIS CENTER IS NOW      
CANCELLED.  

FOR ANY AFFECTED AREAS - WHEN NO MAJOR WAVES HAVE OCCURRED FOR AT
LEAST TWO HOURS AFTER THE ESTIMATED ARRIVAL TIME OR DAMAGING WAVES
HAVE NOT OCCURRED FOR AT LEAST TWO HOURS THEN LOCAL AUTHORITIES
CAN ASSUME THE THREAT IS PASSED. DANGER TO BOATS AND COASTAL
STRUCTURES CAN CONTINUE FOR SEVERAL HOURS DUE TO RAPID CURRENTS.
AS LOCAL CONDITIONS CAN CAUSE A WIDE VARIATION IN TSUNAMI WAVE
ACTION THE ALL CLEAR DETERMINATION MUST BE MADE BY LOCAL
AUTHORITIES.
                                               
THIS WILL BE THE FINAL PRODUCT ISSUED BY THE PACIFIC TSUNAMI
WARNING CENTER FOR THIS EVENT UNLESS ADDITIONAL INFORMATION
BECOMES AVAILABLE.

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7.0 Quake Haiti - JAC, 1/12/2010, 5:26 pm
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