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 PTWC - Hawaii Bulletins Tsunami warnings and information for Hawaii Tsunami Information by ptwc@ptwc.noaa.gov (PTWC) 23 Jul 2010 at 11:45pm TSUNAMI INFORMATION STATEMENT NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 746 PM HST FRI JUL 23 2010 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI INFORMATION THIS STATEMENT IS FOR INFORMATION ONLY. NO ACTION REQUIRED. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0735 PM HST 23 JUL 2010 COORDINATES - 6.2 NORTH 123.7 EAST LOCATION - MINDANAO PHILIPPINES MAGNITUDE - 6.5 MOMENT EVALUATION BASED ON ALL AVAILABLE DATA A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII. REPEAT. A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII. THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS ADDITIONAL DATA ARE RECEIVED. Local Tsunami Information by ptwc@ptwc.noaa.gov (PTWC) 18 Jul 2010 at 8:42pm TSUNAMI SEISMIC INFORMATION STATEMENT NUMBER 2 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 445 PM HST SUN JUL 18 2010 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - LOCAL TSUNAMI INFORMATION THIS STATEMENT IS FOR INFORMATION ONLY. NO ACTION REQUIRED. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0328 PM HST 18 JUL 2010 COORDINATES - 21.1 NORTH 157.8 WEST LOCATION - SOUTH OF OAHU MAGNITUDE - 3.5 EVALUATION NO TSUNAMI IS EXPECTED. REPEAT. NO TSUNAMI IS EXPECTED. THIS IS A REVISED LOCATION, BASED ON ADDITIONAL DATA. HOWEVER, THE LOCATION CONFIDENCE REMAINS POOR DUE TO SPARSE STATION COVERAGE. FURTHER UPDATES WILL BE PROVIDED BY THE U.S. GEOLOGICAL SURVEY, HAWAIIAN VOLCANO OBSERVATORY. THIS EARTHQUAKE WAS REPORTED FELT IN MANY PARTS OF EASTERN OAHU. Tsunami Warning Cancellation by ptwc@ptwc.noaa.gov (PTWC) 27 Feb 2010 at 4:38pm BULLETIN TSUNAMI MESSAGE NUMBER 20 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 138 PM HST SAT FEB 27 2010 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI WARNING CANCELLATION THE TSUNAMI WARNING IS CANCELLED FOR THE STATE OF HAWAII EFFECTIVE AT 0138 PM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0834 PM HST 26 FEB 2010 COORDINATES - 36.1 SOUTH 72.6 WEST LOCATION - NEAR COAST OF CENTRAL CHILE MAGNITUDE - 8.8 MOMENT MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- KAWAIHAE HAWAII 20.0N 155.8W 2211Z 0.52M / 1.7FT 24MIN BARBERS PT HI 21.3N 158.1W 2140Z 0.19M / 0.6FT 76MIN KAUMALAPAU HAWAII 20.8N 156.9W 2136Z 0.18M / 0.6FT 56MIN KAHULUI MAUI 20.9N 156.5W 2147Z 0.98M / 3.2FT 22MIN NAWILIWILI KAUAI 22.0N 159.4W 2151Z 0.28M / 0.9FT 44MIN PAGO PAGO AS 14.3S 170.7W 2132Z 0.66M / 2.2FT 12MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. 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 BASED ON ALL AVAILABLE DATA THERE IS NO LONGER A DESTRUCTIVE TSUNAMI THREAT TO THE STATE OF HAWAII. THEREFORE THE TSUNAMI WARNING FOR HAWAII IS CANCELLED. HOWEVER SOME COASTAL AREAS IN HAWAII MAY CONTINUE TO EXPERIENCE SMALL SEA LEVEL CHANGES AND STRONG OR UNUSUAL CURRENTS LASTING FOR SEVERAL MORE HOURS. THIS TSUNAMI WARNING CANCELLATION DOES NOT MEAN IT IS NOW SAFE TO RESUME NORMAL ACTIVITIES OR REENTER EVACUATED SHORELINE AREAS. YOUR COUNTY CIVIL DEFENSE AGENCY AND POLICE DEPARTMENT WILL MAKE THIS DETERMINATION. STAY TUNED TO YOUR LOCAL BROADCAST STATION FOR THE CIVIL DEFENSE -ALL CLEAR- ANNOUNCEMENT FOR YOUR AREA. REPEAT - DO NOT REENTER EVACUATED SHORELINE AREAS UNTIL ANNOUNCED BY YOUR COUNTY CIVIL DEFENSE AGENCY. STAY TUNED TO YOUR LOCAL BROADCAST STATION FOR THE -ALL CLEAR- ANNOUNCEMENT FOR YOUR AREA. PLEASE YIELD TO ROADBLOCKS AND UNIFORMED OFFICERS WHO ARE CONTROLLING REENTRY INTO EVACUATED SHORELINE AREAS. THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS ADDITIONAL DATA ARE RECEIVED. Tsunami Warning Supplement by ptwc@ptwc.noaa.gov (PTWC) 27 Feb 2010 at 3:42pm BULLETIN TSUNAMI MESSAGE NUMBER 19 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 1251 PM HST SAT FEB 27 2010 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI WARNING SUPPLEMENT A TSUNAMI WARNING CONTINUES IN EFFECT FOR THE STATE OF HAWAII. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0834 PM HST 26 FEB 2010 COORDINATES - 36.1 SOUTH 72.6 WEST LOCATION - NEAR COAST OF CENTRAL CHILE MAGNITUDE - 8.8 MOMENT MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- KAWAIHAE HAWAII 20.0N 155.8W 2211Z 0.52M / 1.7FT 24MIN BARBERS PT HI 21.3N 158.1W 2140Z 0.19M / 0.6FT 76MIN KAUMALAPAU HAWAII 20.8N 156.9W 2136Z 0.18M / 0.6FT 56MIN KAHULUI MAUI 20.9N 156.5W 2147Z 0.98M / 3.2FT 22MIN NAWILIWILI KAUAI 22.0N 159.4W 2151Z 0.28M / 0.9FT 44MIN HILO HI 19.7N 154.9W 2120Z 0.86M / 2.8FT 20MIN PAGO PAGO AS 14.3S 170.7W 2132Z 0.66M / 2.2FT 12MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. 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 TSUNAMI WAVES ARE NOW IMPACTING 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. MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. Tsunami Warning by ptwc@ptwc.noaa.gov (PTWC) 27 Feb 2010 at 3:46am BULLETIN TSUNAMI MESSAGE NUMBER 6 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 1246 AM HST SAT FEB 27 2010 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI WARNING A TSUNAMI WARNING IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 1246 AM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0834 PM HST 26 FEB 2010 COORDINATES - 36.1 SOUTH 72.6 WEST LOCATION - NEAR COAST OF CENTRAL CHILE MAGNITUDE - 8.8 MOMENT MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- IQUIQUE CL 20.2S 70.1W 0906Z 0.27M / 0.9FT 72MIN ANTOFAGASTA CL 23.2S 70.4W 0941Z 0.49M / 1.6FT 52MIN ARICA CL 18.5S 70.3W 1007Z 0.94M / 3.1FT 44MIN DART LIMA 32412 18.0S 86.4W 0941Z 0.24M / 0.8FT 36MIN CALDERA CL 27.1S 70.8W 0843Z 0.45M / 1.5FT 20MIN TALCAHUANO CL 36.7S 73.4W 0653Z 2.34M / 7.7FT 88MIN COQUIMBO CL 30.0S 71.3W 0852Z 1.32M / 4.3FT 30MIN CORRAL CL 39.9S 73.4W 0739Z 0.90M / 2.9FT 16MIN SAN FELIX CL 26.3S 80.1W 0815Z 0.53M / 1.7FT 08MIN VALPARAISO CL 33.0S 71.6W 0708Z 1.29M / 4.2FT 20MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. 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 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 1119 AM HST SAT 27 FEB 2010 MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. Tsunami Advisory Supplement by ptwc@ptwc.noaa.gov (PTWC) 27 Feb 2010 at 2:48am TSUNAMI MESSAGE NUMBER 5 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 1149 PM HST FRI FEB 26 2010 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI ADVISORY SUPPLEMENT A TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE STATE OF HAWAII. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0834 PM HST 26 FEB 2010 COORDINATES - 36.1 SOUTH 72.6 WEST LOCATION - NEAR COAST OF CENTRAL CHILE MAGNITUDE - 8.8 MOMENT MAGNITUDE - 8.4 RICHTER (MS) MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- CALDERA CL 27.1S 70.8W 0843Z 0.45M / 1.5FT 20MIN ANTOFAGASTA CL 23.2S 70.4W 0832Z 0.40M / 1.3FT 58MIN TALCAHUANO CL 36.7S 73.4W 0653Z 2.34M / 7.7FT 88MIN COQUIMBO CL 30.0S 71.3W 0852Z 1.32M / 4.3FT 30MIN CORRAL CL 39.9S 73.4W 0739Z 0.90M / 2.9FT 16MIN SAN FELIX CL 26.3S 80.1W 0815Z 0.53M / 1.7FT 08MIN VALPARAISO CL 33.0S 71.6W 0708Z 1.29M / 4.2FT 20MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. 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 THE PACIFIC TSUNAMI WARNING CENTER HAS ISSUED AN EXPANDING REGIONAL TSUNAMI WARNING AND WATCH FOR PARTS OF THE PACIFIC LOCATED CLOSER TO THE EARTHQUAKE. AN EVALUATION OF THE PACIFIC WIDE TSUNAMI THREAT IS UNDERWAY AND THERE IS A POSSIBILITY THAT HAWAII COULD BE ELEVATED TO A WATCH OR WARNING STATUS. IF TSUNAMI WAVES IMPACT HAWAII THEIR ESTIMATED EARLIEST ARRIVAL TIME IS 1119 AM HST SAT 27 FEB 2010 MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. Tsunami Watch Cancellation by ptwc@ptwc.noaa.gov (PTWC) 7 Oct 2009 at 6:19pm BULLETIN TSUNAMI MESSAGE NUMBER 3 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 219 PM HST WED OCT 07 2009 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI WATCH CANCELLATION THE TSUNAMI WATCH IS CANCELLED FOR THE STATE OF HAWAII EFFECTIVE AT 0219 PM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 1203 PM HST 07 OCT 2009 COORDINATES - 13.0 SOUTH 166.3 EAST LOCATION - VANUATU ISLANDS MAGNITUDE - 7.8 MOMENT MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- VANUATU VU 17.8S 168.3E 2320Z 0.05M / 0.2FT 24MIN DART CORAL 55012 15.8S 158.5E 2326Z 0.03M / 0.1FT 10MIN LUGANVILLE VU 15.5S 167.2E 2327Z 0.10M / 0.3FT 20MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. 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 BASED ON ALL AVAILABLE DATA THERE IS NO DESTRUCTIVE TSUNAMI THREAT TO THE STATE OF HAWAII. THEREFORE THE TSUNAMI WATCH FOR HAWAII IS CANCELLED. HOWEVER... SOME COASTAL AREAS IN HAWAII COULD EXPERIENCE SMALL NON-DESTRUCTIVE SEA LEVEL CHANGES AND STRONG OR UNUSUAL CURRENTS LASTING UP TO SEVERAL HOURS. THE ESTIMATED TIME SUCH EFFECTS MIGHT BEGIN IS 0650 PM HST WED 07 OCT 2009 THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS ADDITIONAL DATA ARE RECEIVED. Tsunami Watch by ptwc@ptwc.noaa.gov (PTWC) 7 Oct 2009 at 5:36pm BULLETIN TSUNAMI MESSAGE NUMBER 2 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 136 PM HST WED OCT 07 2009 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI WATCH A TSUNAMI WATCH IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 0136 PM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 1203 PM HST 07 OCT 2009 COORDINATES - 13.0 SOUTH 166.3 EAST LOCATION - VANUATU ISLANDS MAGNITUDE - 8.0 MOMENT MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- LUGANVILLE, VANUATU 15.5S 167.2E 2312Z 0.04M / 0.2FT 6 MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. 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 BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE IF THERE IS A TSUNAMI THREAT TO HAWAII. IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF THE FIRST TSUNAMI WAVE IS 0650 PM HST WED 07 OCT 2009 MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. Tsunami Advisory by ptwc@ptwc.noaa.gov (PTWC) 7 Oct 2009 at 4:17pm TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 1218 PM HST WED OCT 07 2009 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI ADVISORY A TSUNAMI ADVISORY IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 1217 PM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 1203 PM HST 07 OCT 2009 COORDINATES - 13.0 SOUTH 166.3 EAST LOCATION - VANUATU ISLANDS MAGNITUDE - 8.0 MOMENT EVALUATION THE PACIFIC TSUNAMI WARNING CENTER HAS ISSUED AN EXPANDING REGIONAL TSUNAMI WARNING AND WATCH FOR PARTS OF THE PACIFIC LOCATED CLOSER TO THE EARTHQUAKE. AN EVALUATION OF THE PACIFIC WIDE TSUNAMI THREAT IS UNDERWAY AND THERE IS A POSSIBILITY THAT HAWAII COULD BE ELEVATED TO A WATCH OR WARNING STATUS. IF TSUNAMI WAVES IMPACT HAWAII THEIR ESTIMATED EARLIEST ARRIVAL TIME IS 0650 PM HST WED 07 OCT 2009 MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. Final Tsunami Advisory by ptwc@ptwc.noaa.gov (PTWC) 29 Sep 2009 at 11:01pm TSUNAMI MESSAGE NUMBER 7 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 703 PM HST TUE SEP 29 2009 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - FINAL TSUNAMI ADVISORY THE TSUNAMI ADVISORY IS ENDED FOR THE STATE OF HAWAII EFFECTIVE AT 0701 PM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0748 AM HST 29 SEP 2009 COORDINATES - 15.3 SOUTH 171.0 WEST LOCATION - SAMOA ISLANDS REGION MAGNITUDE - 8.3 MOMENT MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- KAWAIHAE HAWAII 20.0N 155.8W 0038Z 0.18M / 0.6FT 10MIN KAPOHO HAWAII 19.5N 154.8W 0042Z 0.14M / 0.5FT 08MIN HONOKOHAU HAWAII 19.7N 156.0W 2359Z 0.18M / 0.6FT 10MIN HONOLULU OAHU 21.3N 157.9W 0108Z 0.16M / 0.5FT 10MIN WAIANAE OAHU 21.4N 158.2W 0025Z 0.26M / 0.9FT 12MIN HALEIWA OAHU 21.6N 158.1W 0100Z 0.46M / 1.5FT 08MIN HILO HAWAII 19.7N 155.1W 0012Z 0.16M / 0.5FT 18MIN KAUMALAPAU LANAI 20.8N 157.0W 0039Z 0.12M / 0.4FT 14MIN MOKUOLOE OAHU 21.4N 157.8W 0049Z 0.02M / 0.1FT 18MIN KAHULUI MAUI 20.9N 156.5W 0109Z 0.36M / 1.2FT 16MIN NAWILIWILI KAUAI 22.0N 159.4W 0108Z 0.22M / 0.7FT 08MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. 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 SMALL TSUNAMI WAVES FROM THIS EARTHQUAKE CONTINUE TO CROSS THE HAWAIIAN ISLANDS. WHILE THESE WAVES ARE NOT EXPECTED TO CAUSE ANY SIGNIFICANT COASTAL FLOODING THEY CAN PRODUCE SMALL CHANGES OF SEA LEVEL AT THE COAST AND STRONG OR UNUSUAL CURRENTS THAT CAN BE A HAZARD TO SWIMMERS...BOATERS AND BEACHGOERS. THE WAVES ARRIVED IN HAWAII SHORTLY AFTER 100PM HST. WAVE ACTION CAN CONTINUE FOR SEVERAL HOURS AFTER THE INITIAL WAVE AND THE FIRST WAVE IS OFTEN NOT THE LARGEST. THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS ADDITIONAL DATA ARE RECEIVED. Tsunami Watch Supplement by ptwc@ptwc.noaa.gov (PTWC) 29 Sep 2009 at 12:57pm BULLETIN TSUNAMI MESSAGE NUMBER 2 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 857 AM HST TUE SEP 29 2009 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI WATCH SUPPLEMENT A TSUNAMI WATCH CONTINUES IN EFFECT FOR THE STATE OF HAWAII. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS NOTE MOMENT MAGNITUDE INCREASE TO 8.3 ORIGIN TIME - 0748 AM HST 29 SEP 2009 COORDINATES - 15.3 SOUTH 171.0 WEST LOCATION - SAMOA ISLANDS REGION MAGNITUDE - 8.3 MOMENT MAGNITUDE - 8.0 RICHTER (MS) MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- APIA UPOLU WS 13.8S 171.8W 1832Z 0.70M / 2.3FT 08MIN PAGO PAGO AS 14.3S 170.7W 1812Z 1.57M / 5.1FT 04MIN LAT - LATITUDE (N-NORTH, S-SOUTH) LON - LONGITUDE (E-EAST, W-WEST) TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. 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 BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE IF THERE IS A TSUNAMI THREAT TO HAWAII. IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF THE FIRST TSUNAMI WAVE IS 0111 PM HST TUE 29 SEP 2009 MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. Thank you for visiting Vermilionweather.com! |
