ZCZC WEHW40 PHEB 300727 TSUHWX HIZ001-003-006>007-009-016>018-023-026-029>035-037>050-051>054- 300927- /O.CON.PHEB.TS.W.0001.000000T0000Z-000000T0000Z/ BULLETIN TSUNAMI MESSAGE NUMBER 9 NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI 927 PM HST TUE JUL 29 2025 TO - EMERGENCY MANAGEMENT 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 - 0125 PM HST 29 JUL 2025 COORDINATES - 52.2 NORTH 160.0 EAST LOCATION - OFF THE EAST COAST OF KAMCHATKA RUSSIA MAGNITUDE - 8.8 MOMENT MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER ------------------- ----- ------ ----- --------------- ----- PAGO BAY GUAM US 13.4N 144.8E 0707Z 0.15M / 0.5FT 10MIN HONOLULU OAHU 21.3N 157.9W 0658Z 0.33M / 1.1FT 16MIN KAHULUI MAUI 20.9N 156.5W 0609Z 1.74M / 5.7FT 34MIN DUTCH HBR UNALASKA 53.9N 166.5W 0406Z 0.32M / 1.0FT 72MIN ATKA AK 52.2N 174.2W 0430Z 0.55M / 1.8FT 38MIN NIKOLSKI AK 52.9N 168.9W 0548Z 0.41M / 1.3FT 42MIN BARBERS PT HI 21.3N 158.1W 0638Z 0.19M / 0.6FT 04MIN HEEIA HI USA 21.4N 157.8W 0558Z 0.12M / 0.4FT 20MIN WAKKANI JP 45.4N 141.7E 0610Z 0.23M / 0.8FT 56MIN PORT ALLEN HI USA 21.9N 159.6W 0630Z 0.42M / 1.4FT 10MIN CHICHIJIMA JP 27.1N 142.2E 0627Z 0.49M / 1.6FT 18MIN WAIANAE HI USA 21.5N 158.2W 0622Z 0.37M / 1.2FT 10MIN HILO HAWAII 19.7N 155.1W 0623Z 1.50M / 4.9FT 14MIN HANALEI HI 22.2N 159.5W 0548Z 1.17M / 3.9FT 12MIN KEEHI HI USA 21.3N 157.9W 0612Z 0.19M / 0.6FT 34MIN MAKAPU'U HI 21.3N 157.7W 0604Z 0.70M / 2.3FT 14MIN HALEIWA HI 21.6N 158.1W 0548Z 1.21M / 4.0FT 12MIN NAWILIWILI KAUAI 22.0N 159.4W 0536Z 0.23M / 0.8FT 14MIN NAWILIWILI HI 22.0N 159.4W 0537Z 0.23M / 0.7FT 12MIN HANALEI HI USA 22.2N 159.5W 0533Z 0.90M / 3.0FT 20MIN WAKE US 19.3N 166.6E 0350Z 0.22M / 0.7FT 14MIN MERA JP 34.9N 139.8E 0510Z 0.32M / 1.1FT 24MIN APRA HARBOR GUAM US 13.4N 144.7E 0442Z 0.12M / 0.4FT 56MIN SAIPAN US 15.2N 145.7E 0456Z 0.23M / 0.7FT 60MIN MIDWAY 28.2N 177.4W 0400Z 0.96M / 3.1FT 08MIN HANASAKI HOKKAIDO J 43.3N 145.6E 0158Z 0.32M / 1.0FT 58MIN DART 46413 48.0N 174.2W 0144Z 0.19M / 0.6FT 40MIN KUSHIRO JP 43.0N 144.4E 0121Z 0.33M / 1.1FT 76MIN DART 21415 50.2N 171.9E 0117Z 0.20M / 0.6FT 08MIN DART 21414 49.0N 178.2E 0103Z 0.28M / 0.9FT 32MIN DART 21416 48.1N 163.5E 0003Z 0.90M / 3.0FT 24MIN 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. NOTE - DART MEASUREMENTS ARE FROM THE DEEP OCEAN AND THEY ARE GENERALLY MUCH SMALLER THAN WOULD BE COASTAL MEASUREMENTS AT SIMILAR LOCATIONS. 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 MAY PERSIST FOR MANY MORE HOURS AS WAVES ACTIVITY CONTINUES. TSUNAMI WAVES EFFICIENTLY WRAP AROUND ISLANDS SO 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. FURTHER MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED. $$ NNNN