TSUNAMI BULLETIN NUMBER 007 PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS ISSUED AT 0326Z 02 APR 2007 THIS BULLETIN IS FOR ALL AREAS OF THE PACIFIC BASIN EXCEPT ALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA. NOTE: AREAS TO THE NORTH OF THE SOLOMON ISLANDS SHOULD NOT BE SIGNIFICANTLY AFFECTED ... A TSUNAMI WARNING AND WATCH ARE IN EFFECT ... A TSUNAMI WARNING IS IN EFFECT FOR NEW ZEALAND FOR ALL OTHER PACIFIC AREAS, THIS MESSAGE IS AN ADVISORY ONLY. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 2040Z 01 APR 2007 COORDINATES - 8.6 SOUTH 157.2 EAST LOCATION - SOLOMON ISLANDS MAGNITUDE - 8.1 MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- PORT KEMBLA AU 34.5S 150.9E 0244Z 0.05M = 0.2FT 14MIN VANUATU VU 17.8S 168.3E 0124Z 0.15M = 0.5FT 22MIN CAPE FERGUSON AU 19.3S 147.1E 0135Z 0.11M = 0.4FT 12MIN MANUS PG 2.0S 147.4E 0040Z 0.09M = 0.3FT 40MIN HONIARA SB 9.4S 160.0E 2308Z 0.20M = 0.6FT 62MIN LAT - LATITUDE (N=NORTH, S=SOUTH) LON - LONGITUDE (E=EAST, W=WEST) TIME - TIME OF THE MEASUREMENT (Z = UTC = GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT. IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT. VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT). PER - PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT. EVALUATION SEA LEVEL READINGS INDICATE A TSUNAMI WAS GENERATED. PTWC HAS RECEIVED REPORTS OF TSUNAMI RELATED FATALITIES FROM THE SOLOMON ISLANDS AND FROM PAPUA NEW GUINEA. IT HAS BEEN DESTRUCTIVE ALONG COASTS NEAR THE EARTHQUAKE EPICENTER AND COULD ALSO BE A THREAT TO MORE DISTANT COASTS. AUTHORITIES SHOULD TAKE APPROPRIATE ACTION IN RESPONSE TO THIS POSSIBILITY. THIS CENTER WILL CONTINUE TO MONITOR SEA LEVEL DATA TO DETERMINE THE EXTENT AND SEVERITY OF THE THREAT. FOR ALL 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. ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. THE TIME BETWEEN SUCCESSIVE TSUNAMI WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION COORDINATES ARRIVAL TIME -------------------------------- ------------ ------------ NEW ZEALAND NORTH CAPE 34.4S 173.3E 0138Z 02 APR EAST CAPE 37.5S 178.5E 0214Z 02 APR AUCKLAND(W) 37.1S 174.2E 0238Z 02 APR GISBORNE 38.7S 178.0E 0247Z 02 APR MILFORD SOUND 44.5S 167.8E 0249Z 02 APR NEW PLYMOUTH 39.1S 174.1E 0310Z 02 APR NAPIER 39.5S 176.9E 0316Z 02 APR WESTPORT 41.8S 171.2E 0332Z 02 APR AUCKLAND(E) 36.7S 175.0E 0332Z 02 APR WELLINGTON 41.5S 174.8E 0333Z 02 APR BLUFF 46.6S 168.3E 0351Z 02 APR NELSON 41.3S 173.3E 0426Z 02 APR LYTTELTON 43.6S 172.7E 0439Z 02 APR DUNEDIN 45.9S 170.5E 0506Z 02 APR BULLETINS WILL BE ISSUED HOURLY OR SOONER IF CONDITIONS WARRANT. THE TSUNAMI WARNING AND WATCH WILL REMAIN IN EFFECT UNTIL FURTHER NOTICE. THE JAPAN METEOROLOGICAL AGENCY MAY ALSO ISSUE TSUNAMI MESSAGES FOR THIS EVENT TO COUNTRIES IN THE NORTHWEST PACIFIC AND SOUTH CHINA SEA REGION. IN CASE OF CONFLICTING INFORMATION... THE MORE CONSERVATIVE INFORMATION SHOULD BE USED FOR SAFETY. THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE BULLETINS FOR ALASKA - BRITISH COLUMBIA - WASHINGTON - OREGON - CALIFORNIA.