ZCZC WEPA40 PHEB 302138 TSUPAC TSUNAMI MESSAGE NUMBER 20 NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI 2136 UTC WED JUL 30 2025 ...PTWC TSUNAMI THREAT MESSAGE... **** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE ***** THIS MESSAGE IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM AND IS MEANT FOR NATIONAL AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM. NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED INFORMATION. **** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE ***** THE TSUNAMI FORECAST IS UNCHANGED IN THIS MESSAGE. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 8.8 * ORIGIN TIME 2325 UTC JUL 29 2025 * COORDINATES 52.2 NORTH 160.0 EAST * DEPTH 74 KM / 46 MILES * LOCATION OFF THE EAST COAST OF KAMCHATKA RUSSIA EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.8 OCCURRED OFF THE EAST COAST OF KAMCHATKA, RUSSIA AT 2325 UTC ON TUESDAY JULY 29 2025. * TSUNAMI WAVES HAVE BEEN OBSERVED. * BASED ON ALL AVAILABLE DATA... HAZARDOUS TSUNAMI WAVES ARE FORECAST FOR SOME COASTS. TSUNAMI THREAT FORECAST ----------------------- * TSUNAMI WAVES REACHING MORE THAN 3 METERS ABOVE THE TIDE LEVEL ARE POSSIBLE ALONG SOME COASTS OF ECUADOR... NORTHWESTERN HAWAIIAN ISLANDS... AND RUSSIA. * TSUNAMI WAVES REACHING 1 TO 3 METERS ABOVE THE TIDE LEVEL ARE POSSIBLE ALONG SOME COASTS OF CHILE... COSTA RICA... FRENCH POLYNESIA... JAPAN... JARVIS ISLAND... JOHNSTON ATOLL... KIRIBATI... MIDWAY ISLAND... PALMYRA ISLAND... PERU... SAMOA... AND SOLOMON ISLANDS. * TSUNAMI WAVES REACHING 0.3 TO 1 METERS ABOVE THE TIDE LEVEL ARE POSSIBLE FOR SOME COASTS OF ANTARCTICA... AUSTRALIA... CHUUK... COLOMBIA... COOK ISLANDS... EL SALVADOR... FIJI... GUATEMALA... HOWLAND AND BAKER... INDONESIA... KERMADEC ISLANDS... KOSRAE... MARSHALL ISLANDS... MEXICO... NAURU... NEW CALEDONIA... NEW ZEALAND... NICARAGUA... NIUE... NORTHERN MARIANAS... PALAU... PANAMA... PAPUA NEW GUINEA... PHILIPPINES... PITCAIRN ISLANDS... POHNPEI... TAIWAN... TOKELAU... TONGA... TUVALU... VANUATU... WAKE ISLAND... WALLIS AND FUTUNA... AMERICAN SAMOA... GUAM... HAWAII... AND YAP. * TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS ABOVE THE TIDE LEVEL FOR THE COASTS OF BRUNEI... CHINA... DPR OF KOREA... MALAYSIA... REPUBLIC OF KOREA... AND VIETNAM. * ACTUAL AMPLITUDES AT THE COAST MAY VARY FROM FORECAST AMPLITUDES DUE TO UNCERTAINTIES IN THE FORECAST AND LOCAL FEATURES. IN PARTICULAR MAXIMUM TSUNAMI AMPLITUDES ON ATOLLS AND AT LOCATIONS WITH FRINGING OR BARRIER REEFS WILL LIKELY BE MUCH SMALLER THAN THE FORECAST INDICATES. * FOR OTHER AREAS COVERED BY THIS PRODUCT A FORECAST HAS NOT YET BEEN COMPUTED. THE FORECAST WILL BE EXPANDED IF NECESSARY IN SUBSEQUENT PRODUCTS. RECOMMENDED ACTIONS ------------------- * GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN EVALUATION... PROCEDURES AND THE LEVEL OF THREAT. * PERSONS LOCATED IN THREATENED COASTAL AREAS SHOULD STAY ALERT FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM NATIONAL AND LOCAL AUTHORITIES. ESTIMATED TIMES OF ARRIVAL -------------------------- * ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE FOR PLACES WITHIN THREATENED REGIONS ARE GIVEN BELOW. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION REGION COORDINATES ETA(UTC) ------------------------------------------------------------ GOLFO DE PENAS CHILE 47.1S 74.9W 2104 07/30 PUERTO MONTT CHILE 41.5S 73.0W 2300 07/30 POTENTIAL IMPACTS ----------------- * A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE. * IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION OF THE SHORELINE. * IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT THE TIME OF THE MAXIMUM TSUNAMI WAVES. * PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA. TSUNAMI OBSERVATIONS -------------------- * THE FOLLOWING ARE TSUNAMI WAVE OBSERVATIONS FROM COASTAL AND/OR DEEP-OCEAN SEA LEVEL GAUGES AT THE INDICATED LOCATIONS. THE MAXIMUM TSUNAMI HEIGHT IS MEASURED WITH RESPECT TO THE NORMAL TIDE LEVEL. GAUGE TIME OF MAXIMUM WAVE COORDINATES MEASURE TSUNAMI PERIOD GAUGE LOCATION LAT LON (UTC) HEIGHT (MIN) ------------------------------------------------------------- FT POINT SAN FRAN 37.8N 122.5W 0913 0.41M/ 1.3FT 34 PORT SAN LUIS CA 35.2N 120.8W 0932 0.85M/ 2.8FT 22 MONTEREY HARBOR CA 36.6N 121.9W 1144 0.43M/ 1.4FT 32 ADAK AK 51.9N 176.6W 0600 0.63M/ 2.1FT 42 IQUIQUE CL 20.2S 70.1W 2111 0.31M/ 1.0FT 12 TOCOPILLA CL 22.1S 70.2W 2057 0.23M/ 0.8FT 10 CHANARAL CL 26.4S 70.6W 2031 0.56M/ 1.8FT 32 SOSUNOVO RU 46.5N 138.3E 1756 0.07M/ 0.2FT 48 HUASCO CL 28.5S 71.2W 2024 0.36M/ 1.2FT 18 CALDERA CL 27.1S 70.8W 2050 0.42M/ 1.4FT 22 PORT KEMBLA AU 34.5S 150.9E 1523 0.09M/ 0.3FT 62 GOLD COAST SAND BYP 27.9S 153.4E 1617 0.21M/ 0.7FT 84 SPRING BAY AU 42.5S 147.9E 1806 0.19M/ 0.6FT 74 COQUIMBO CL 29.9S 71.3W 2021 0.56M/ 1.8FT 24 VALPARAISO CL 33.0S 71.6W 2030 0.28M/ 0.9FT 24 CALLAO LA-PUNTA PE 12.1S 77.2W 2012 0.70M/ 2.3FT 44 PAPOSO CL 25.0S 70.5W 2027 0.37M/ 1.2FT 10 TOCOPILLA CL 23.7S 70.4W 1924 0.18M/ 0.6FT 20 JUAN FERNANDEZ CL 33.6S 78.8W 1937 0.08M/ 0.3FT 16 LAZARO CARDENAS MX 17.9N 102.2W 1603 0.13M/ 0.4FT 44 TUBUAI PF 23.3S 149.5W 1211 0.17M/ 0.6FT 20 SOVETSKAJA GAVAN RU 49.0N 140.3E 1654 0.15M/ 0.5FT 58 EASTER CL 27.2S 109.4W 1829 0.51M/ 1.7FT 04 OUINNE NEW CALEDONI 22.0S 166.7E 1510 0.27M/ 0.9FT 14 VANUATU 17.8S 168.3E 1101 0.45M/ 1.5FT 22 OUVEA NEW CALEDONIA 20.5S 166.6E 1321 0.18M/ 0.6FT 24 LUGANVILLE VU 15.5S 167.2E 1309 0.42M/ 1.4FT 28 PORT TAURANGA NZ 37.6S 176.2E 1622 0.16M/ 0.5FT 46 OWENGA CHATHAM NZ 44.0S 176.4W 1724 0.34M/ 1.1FT 26 FARE UTE TAHITI 17.5S 149.6W 1210 0.23M/ 0.7FT 18 PAPEETE TAHITI 17.5S 149.6W 1210 0.24M/ 0.8FT 22 SALINA CRUZ MX 16.2N 95.2W 1408 0.23M/ 0.8FT 54 TOSASHIMIZU SHIKOKU 32.8N 133.0E 1608 0.49M/ 1.6FT 22 OFUNATO HONSHU JP 39.0N 141.8E 0507 0.27M/ 0.9FT 10 DART 01003 23.4S 173.4W 1217 0.02M/ 0.1FT 16 ZIHUATANEJO MX 17.6N 101.6W 1417 0.25M/ 0.8FT 06 MANZANILLO MX 19.1N 104.3W 1303 0.53M/ 1.7FT 42 SAND POINT AK 55.3N 160.5W 1432 0.24M/ 0.8FT 26 TOFINO CA 49.2N 125.9W 1142 0.22M/ 0.7FT 22 SOUTH BEACH OR 44.6N 124.0W 1131 0.21M/ 0.7FT 16 CRESCENT CITY CA 41.7N 124.2W 1305 1.13M/ 3.7FT 22 WINTER HARBOUR CA 50.5N 128.0W 0709 0.27M/ 0.9FT 42 BALTRA GALAPAGS EC 0.4S 90.3W 1621 1.04M/ 3.4FT 18 SANTACRUZ GALAPAGOS 0.7S 90.3W 1542 0.40M/ 1.3FT 40 RAROTONGA CK 21.2S 159.8W 1354 0.17M/ 0.6FT 04 HUAHINE PF 16.7S 151.0W 1108 0.15M/ 0.5FT 10 SUVA VITI LEVU FJ 18.1S 178.4E 1117 0.07M/ 0.2FT 22 RIKITEA PF 23.1S 135.0W 1312 0.06M/ 0.2FT 22 NUKUALOFA TO 21.1S 175.2W 1122 0.17M/ 0.5FT 52 HIVA OA MARQUESAS 9.8S 139.0W 1239 0.52M/ 1.7FT 22 PUERTO VALLARTA MX 20.7N 105.2W 1258 0.16M/ 0.5FT 08 LITZLITZ VU 16.1S 167.4E 1003 0.34M/ 1.1FT 52 HIENGHENE NEW CALED 20.7S 164.9E 1052 0.34M/ 1.1FT 28 HONIARA SB 9.4S 160.0E 1000 0.10M/ 0.3FT 46 ALOFI NU 19.1S 169.9W 1022 0.12M/ 0.4FT 20 ARENA COVE CA 38.9N 123.7W 0923 0.79M/ 2.6FT 06 SANTA BARBARA CA 34.4N 119.7W 0947 0.33M/ 1.1FT 14 OFF OREGON COAST 45.8N 129.7W 0606 0.06M/ 0.2FT 52 OFU AS 14.2S 169.7W 0941 0.19M/ 0.6FT 20 CHARLESTON OR 43.3N 124.3W 0854 0.21M/ 0.7FT 20 LA PUSH WA 47.9N 124.6W 0741 0.23M/ 0.8FT 34 AUNUU AS 14.3S 170.6W 0944 0.28M/ 0.9FT 12 AUASI AS 14.3S 170.6W 0944 0.29M/ 0.9FT 10 TAREKUKURE WHARF SB 6.7S 156.4E 0838 0.41M/ 1.4FT 32 LOMBRUM MANUS IS PG 2.0S 147.4E 0753 0.25M/ 0.8FT 60 HANASAKI HOKKAIDO J 43.3N 145.6E 0544 0.79M/ 2.6FT 40 APIA UPOLU WS 13.8S 171.8W 0943 0.70M/ 2.3FT 18 PAGO PAGO AS 14.3S 170.7W 0929 0.25M/ 0.8FT 20 DART 51425 9.5S 176.2W 0815 0.04M/ 0.1FT 18 HONOKOHAU HI USA 19.7N 156.0W 0741 0.11M/ 0.4FT 10 KAWAIHAE HAWAII 20.0N 155.8W 0719 0.37M/ 1.2FT 14 DEKEHTIK POHNPEI FM 7.0N 158.2E 0634 0.10M/ 0.3FT 20 DART 52402 11.9N 153.9E 0507 0.06M/ 0.2FT 44 KAUNAKAKAI US 21.1N 157.0W 0620 0.23M/ 0.8FT 30 PAGO BAY GUAM US 13.4N 144.8E 0707 0.15M/ 0.5FT 10 HONOLULU OAHU 21.3N 157.9W 0658 0.33M/ 1.1FT 16 KAHULUI MAUI 20.9N 156.5W 0609 1.74M/ 5.7FT 34 DUTCH HBR UNALASKA 53.9N 166.5W 0406 0.32M/ 1.0FT 72 ATKA AK 52.2N 174.2W 0430 0.55M/ 1.8FT 38 NIKOLSKI AK 52.9N 168.9W 0548 0.41M/ 1.3FT 42 BARBERS PT HI 21.3N 158.1W 0638 0.19M/ 0.6FT 04 HEEIA HI USA 21.4N 157.8W 0558 0.12M/ 0.4FT 20 WAKKANI JP 45.4N 141.7E 0610 0.23M/ 0.8FT 56 PORT ALLEN HI USA 21.9N 159.6W 0630 0.42M/ 1.4FT 10 CHICHIJIMA JP 27.1N 142.2E 0627 0.49M/ 1.6FT 18 WAIANAE HI USA 21.5N 158.2W 0622 0.37M/ 1.2FT 10 HILO HAWAII 19.7N 155.1W 0623 1.50M/ 4.9FT 14 HANALEI HI 22.2N 159.5W 0548 1.17M/ 3.9FT 12 KEEHI HI USA 21.3N 157.9W 0612 0.19M/ 0.6FT 34 MAKAPU'U HI 21.3N 157.7W 0604 0.70M/ 2.3FT 14 HALEIWA HI 21.6N 158.1W 0548 1.21M/ 4.0FT 12 NAWILIWILI KAUAI 22.0N 159.4W 0536 0.23M/ 0.8FT 14 NAWILIWILI HI 22.0N 159.4W 0537 0.23M/ 0.7FT 12 HANALEI HI USA 22.2N 159.5W 0533 0.90M/ 3.0FT 20 WAKE US 19.3N 166.6E 0350 0.22M/ 0.7FT 14 MERA JP 34.9N 139.8E 0510 0.32M/ 1.1FT 24 APRA HARBOR GUAM US 13.4N 144.7E 0442 0.12M/ 0.4FT 56 SAIPAN US 15.2N 145.7E 0456 0.23M/ 0.7FT 60 MIDWAY 28.2N 177.4W 0400 0.96M/ 3.1FT 08 DART 46413 48.0N 174.2W 0144 0.19M/ 0.6FT 40 KUSHIRO JP 43.0N 144.4E 0121 0.33M/ 1.1FT 76 DART 21415 50.2N 171.9E 0117 0.20M/ 0.6FT 08 DART 21414 49.0N 178.2E 0103 0.28M/ 0.9FT 32 DART 21416 48.1N 163.5E 0003 0.90M/ 3.0FT 24 NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF THE SITUATION WARRANTS. * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S. GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT EARTHQUAKE.USGS.GOV. * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT WWW.TSUNAMI.GOV. * COASTAL REGIONS OF HAWAII... AMERICAN SAMOA... GUAM... AND CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT WWW.TSUNAMI.GOV. * COASTAL REGIONS OF CALIFORNIA... OREGON... WASHINGTON... BRITISH COLUMBIA AND ALASKA SHOULD ONLY REFER TO U.S. NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND AT WWW.TSUNAMI.GOV. $$ NNNN