831
WEHW40 PHEB 301635
TSUHWX
HIZ001-003-006>007-009-016>018-023-026-029>035-037>050-051>054-
301835-
/O.CON.PHEB.TS.Y.0001.000000T0000Z-000000T0000Z/
TSUNAMI MESSAGE NUMBER 17
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
635 AM HST WED JUL 30 2025
TO - EMERGENCY MANAGEMENT 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 - 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
------------------- ----- ------ ----- --------------- -----
BALTRA GALAPAGS EC 0.4S 90.3W 1621Z 1.04M / 3.4FT 18MIN
SANTACRUZ GALAPAGOS 0.7S 90.3W 1542Z 0.40M / 1.3FT 40MIN
RAROTONGA CK 21.2S 159.8W 1354Z 0.17M / 0.6FT 04MIN
PAPEETE TAHITI 17.5S 149.6W 1210Z 0.24M / 0.8FT 22MIN
HUAHINE PF 16.7S 151.0W 1108Z 0.15M / 0.5FT 10MIN
SUVA VITI LEVU FJ 18.1S 178.4E 1117Z 0.07M / 0.2FT 22MIN
RIKITEA PF 23.1S 135.0W 1312Z 0.06M / 0.2FT 22MIN
NUKUALOFA TO 21.1S 175.2W 1122Z 0.17M / 0.5FT 52MIN
HIVA OA MARQUESAS 9.8S 139.0W 1239Z 0.52M / 1.7FT 22MIN
PUERTO VALLARTA MX 20.7N 105.2W 1258Z 0.16M / 0.5FT 08MIN
LITZLITZ VU 16.1S 167.4E 1003Z 0.34M / 1.1FT 52MIN
OUVEA NEW CALEDONIA 20.5S 166.6E 1057Z 0.14M / 0.4FT 30MIN
HIENGHENE NEW CALED 20.7S 164.9E 1052Z 0.34M / 1.1FT 28MIN
HONIARA SB 9.4S 160.0E 1000Z 0.10M / 0.3FT 46MIN
ALOFI NU 19.1S 169.9W 1022Z 0.12M / 0.4FT 20MIN
VANUATU 17.8S 168.3E 1044Z 0.42M / 1.4FT 16MIN
ARENA COVE CA 38.9N 123.7W 0923Z 0.79M / 2.6FT 06MIN
MONTEREY HARBOR CA 36.6N 121.9W 0810Z 0.35M / 1.2FT 38MIN
PORT SAN LUIS CA 35.2N 120.8W 0933Z 0.86M / 2.8FT 18MIN
SANTA BARBARA CA 34.4N 119.7W 0947Z 0.33M / 1.1FT 14MIN
OFF OREGON COAST 45.8N 129.7W 0606Z 0.06M / 0.2FT 52MIN
OFU AS 14.2S 169.7W 0941Z 0.19M / 0.6FT 20MIN
CHARLESTON OR 43.3N 124.3W 0854Z 0.21M / 0.7FT 20MIN
LA PUSH WA 47.9N 124.6W 0741Z 0.23M / 0.8FT 34MIN
LUGANVILLE VU 15.5S 167.2E 0958Z 0.21M / 0.7FT 52MIN
AUNUU AS 14.3S 170.6W 0944Z 0.28M / 0.9FT 12MIN
AUASI AS 14.3S 170.6W 0944Z 0.29M / 0.9FT 10MIN
TAREKUKURE WHARF SB 6.7S 156.4E 0838Z 0.41M / 1.4FT 32MIN
LOMBRUM MANUS IS PG 2.0S 147.4E 0753Z 0.25M / 0.8FT 60MIN
CRESCENT CITY CA 41.7N 124.2W 0930Z 1.12M / 3.7FT 22MIN
HANASAKI HOKKAIDO J 43.3N 145.6E 0544Z 0.79M / 2.6FT 40MIN
APIA UPOLU WS 13.8S 171.8W 0943Z 0.70M / 2.3FT 18MIN
PAGO PAGO AS 14.3S 170.7W 0929Z 0.25M / 0.8FT 20MIN
DART 51425 9.5S 176.2W 0815Z 0.04M / 0.1FT 18MIN
HONOKOHAU HI USA 19.7N 156.0W 0741Z 0.11M / 0.4FT 10MIN
KAWAIHAE HAWAII 20.0N 155.8W 0719Z 0.37M / 1.2FT 14MIN
DEKEHTIK POHNPEI FM 7.0N 158.2E 0634Z 0.10M / 0.3FT 20MIN
DART 52402 11.9N 153.9E 0507Z 0.06M / 0.2FT 44MIN
KAUNAKAKAI US 21.1N 157.0W 0620Z 0.23M / 0.8FT 30MIN
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
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 THAT CAN BE A HAZARD TO SWIMMERS AND BOATERS AS
WELL AS TO PERSONS NEAR THE SHORE AT BEACHES AND IN HARBORS AND
MARINAS ARE NOW AFFECTING THE STATE OF HAWAII. THIS HAZARD COULD
CONTINUE FOR SEVERAL HOURS. THE SITUATION IS BEING MONITORED
CLOSELY AND THE ADVISORY WILL END WHEN THE HAZARD HAS PASSED.
FURTHER MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS
WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED.
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