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UPDATE FROM MESSAGE #3 TSUNAMI WATCH IS CANCELLED. UPDATE FROM MESSAGE #2 NOTE: MAGNITUDE IS REDUCED FROM 7.3 TO 7.1 THERE ARE NO SEA LEVEL READINGS YET FOR THIS EVENT. READINGS FROM THE NEAREST GAUGES SHOULD BE RECEIVED WITHIN THE NEXT HOUR. At 4:53PM EST a major earthquake occured near Port au Prince, Haiti. Magnitude was 7.3 and coordinates of the epicenter are 18.5N 72.5W. The epicenter is in shallow water and a local tsunami was generated. Extensive damage in Haiti. The Pacific Tsunami Warning Center is issuing warnings. "TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 2203 UTC TUE JAN 12 2010 THIS MESSAGE APPLIES TO COUNTRIES WITHIN AND BORDERING THE CARIBBEAN SEA...EXCEPT FOR PUERTO RICO AND THE VIRGIN ISLANDS. ... A LOCAL TSUNAMI WATCH IS IN EFFECT ... A TSUNAMI WATCH IS IN EFFECT FOR HAITI / CUBA / BAHAMAS / DOMINICAN REP FOR OTHER AREAS OF THE CARIBBEAN COVERED BY THIS MESSAGE...IT IS FOR INFORMATION ONLY AT THIS TIME. 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 - 7.3 EVALUATION A DESTRUCTIVE WIDESPREAD TSUNAMI THREAT DOES NOT EXIST BASED ON HISTORICAL EARTHQUAKE AND TSUNAMI DATA. HOWEVER - THERE IS THE POSSIBILITY OF A LOCAL TSUNAMI THAT COULD AFFECT COASTS LOCATED USUALLY NO MORE THAN A HUNDRED KILOMETERS FROM THE EARTHQUAKE EPICENTER. AUTHORITIES FOR THE REGION NEAR THE EPICENTER SHOULD BE AWARE OF THIS POSSIBILITY. AREAS FURTHER FROM THE EPICENTER COULD EXPERIENCE SMALL SEA LEVEL CHANGES AND STRONG OR UNUSUAL COASTAL CURRENTS. ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS WITHIN THE WARNING AND WATCH AREAS ARE GIVEN BELOW. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN SUCCESSIVE WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION FORECAST POINT COORDINATES ARRIVAL TIME -------------------------------- ------------ ------------ HAITI JEREMIE 18.6N 74.1W 2224Z 12 JAN PORT-AU-PRINCE 18.5N 72.4W 2229Z 12 JAN CAP-HAITEN 19.8N 72.2W 2255Z 12 JAN CUBA BARACOA 20.4N 74.5W 2249Z 12 JAN BAHAMAS GREAT INAGUA 20.9N 73.7W 2246Z 12 JAN DOMINICAN REP PUERTO PLATA 19.8N 70.7W 2304Z 12 JAN SANTO DOMINGO 18.5N 69.9W 2337Z 12 JAN ADDITIONAL BULLETINS WILL BE ISSUED BY THE PACIFIC TSUNAMI WARNING CENTER FOR THIS EVENT AS MORE INFORMATION BECOMES AVAILABLE." Although not a meteorological event, it seemed appropriate to provide some information to anyone with an interest in this disaster. At this time a major tsunami event in the Atlantic basin is not expected. ED |