TSUNAMI BULLETIN NUMBER 002

[patrick]

Just FYI:TSUNAMI BULLETIN NUMBER 002PACIFIC TSUNAMI WARNING CENTER/NOAA/NWSISSUED AT 1631Z 03 MAY 2006THIS BULLETIN IS FOR ALL AREAS OF THE PACIFIC BASIN EXCEPTALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA.... A TSUNAMI WARNING IS IN EFFECT ...A TSUNAMI WARNING IS IN EFFECT FOR TONGA / NIUE / AMERICAN SAMOA / SAMOA / WALLIS-FUTUNA / FIJI FOR ALL OTHER PACIFIC AREAS, THIS MESSAGE IS AN ADVISORY ONLY.AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 1527Z 03 MAY 2006 COORDINATES - 19.9 SOUTH 174.2 WEST  LOCATION - TONGA ISLANDS MAGNITUDE - 7.8EVALUATION IT IS NOT KNOWN THAT A TSUNAMI WAS GENERATED. THIS WARNING IS  BASED ONLY ON THE EARTHQUAKE EVALUATION. AN EARTHQUAKE OF THIS  SIZE HAS THE POTENTIAL TO GENERATE A DESTRUCTIVE TSUNAMI THAT CAN  STRIKE COASTLINES IN THE REGION NEAR THE EPICENTER WITHIN MINUTES  TO HOURS. AUTHORITIES IN THE REGION SHOULD TAKE APPROPRIATE  ACTION IN RESPONSE TO THIS POSSIBILITY. THIS CENTER WILL CONTINUE  TO MONITOR SEA LEVEL GAUGES NEAREST THE REGION AND REPORT IF ANY  TSUNAMI WAVE ACTIVITY IS OBSERVED. THE WARNING WILL NOT EXPAND  TO OTHER AREAS OF THE PACIFIC UNLESS ADDITIONAL DATA ARE RECEIVED  TO WARRANT SUCH AN EXPANSION. ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES. ACTUAL ARRIVAL TIMESMAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. THE TIMEBETWEEN SUCCESSIVE TSUNAMI WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION COORDINATES ARRIVAL TIME -------------------------------- ------------ ------------ TONGA NUKUALOFA 21.0S 175.2W 1551Z 03 MAY NIUE NIUE IS. 19.0S 170.0W 1557Z 03 MAY AMERICAN SAMOA PAGO PAGO 14.3S 170.7W 1620Z 03 MAY SAMOA APIA 13.8S 171.8W 1622Z 03 MAY WALLIS-FUTUNA WALLIS IS. 13.2S 176.2W 1643Z 03 MAY FIJI SUVA 18.5S 178.5E 1704Z 03 MAYBULLETINS WILL BE ISSUED HOURLY OR SOONER IF CONDITIONS WARRANT.THE TSUNAMI WARNING WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE.THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE BULLETINSFOR ALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA.

 

[patrick]

TSUNAMI BULLETIN NUMBER 003

TSUNAMI BULLETIN NUMBER 003PACIFIC TSUNAMI WARNING CENTER/NOAA/NWSISSUED AT 1736Z 03 MAY 2006THIS BULLETIN IS FOR ALL AREAS OF THE PACIFIC BASIN EXCEPTALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA.... TSUNAMI WARNING CANCELLATION ...THE TSUNAMI WARNING IS CANCELLED FOR ALL COASTAL AREAS AND ISLANDSIN THE PACIFIC OUTSIDE OF ALASKA - BRITISH COLOMBIA - WASHINGTON -OREGON - CALIFORNIA. THOSE AREAS SHOULD REFER TO MESSAGES FROM THEWEST COAST AND ALASKA TSUNAMI WARNING CENTER.AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 1527Z 03 MAY 2006 COORDINATES - 19.9 SOUTH 174.2 WEST  LOCATION - TONGA ISLANDS MAGNITUDE - 7.8MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- ------ ----- PAGO PAGO 14.3S 170.7W 1636Z 0.15M 24MIN NIUE 19.1S 169.9W 1603Z 0.21M 10MIN  TIME - TIME OF THE MEASUREMENT AMPL - AMPLITUDE IN METERS FROM MIDDLE TO CREST OR MIDDLE TO TROUGH OR HALF OF THE CREST TO TROUGH PER - PERIOD OF TIME FROM ONE WAVE CREST TO THE NEXTEVALUATION SEA LEVEL READINGS INDICATE A TSUNAMI WAS GENERATED. IT MAY HAVE  BEEN DESTRUCTIVE ALONG COASTS NEAR THE EARTHQUAKE EPICENTER. FOR  THOSE AREAS - WHEN NO MAJOR WAVES ARE OBSERVED FOR TWO HOURS  AFTER THE ESTIMATED TIME OF ARRIVAL 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.   NO TSUNAMI THREAT EXISTS FOR OTHER COASTAL AREAS IN THE PACIFIC  ALTHOUGH SOME OTHER AREAS MAY EXPERIENCE SMALL SEA LEVEL CHANGES.  THE TSUNAMI WARNING IS CANCELLED. THIS WILL BE THE FINAL BULLETIN ISSUED FOR THIS EVENT UNLESSADDITIONAL INFORMATION BECOMES AVAILABLE.THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE BULLETINSFOR ALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA.