Tsunami Watch/Warning
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WEPA40 PHEB 310202
TSUPAC
TSUNAMI MESSAGE NUMBER 24
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
0157 UTC THU JUL 31 2025
...PTWC FINAL 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.
* THE TSUNAMI HAS TRAVELED ACROSS THE ENTIRE PACIFIC BASIN.
* TSUNAMI AMPLITUDES ARE BELOW HAZARDOUS LEVELS IN MOST
LOCATIONS.
* BASED ON ALL AVAILABLE DATA... THE TSUNAMI THREAT FROM THIS
EARTHQUAKE HAS NOW LARGELY PASSED.
TSUNAMI THREAT FORECAST...UPDATED
---------------------------------
* THE TSUNAMI THREAT HAS NOW LARGELY PASSED.
RECOMMENDED ACTIONS
-------------------
* GOVERNMENT AGENCIES RESPONSIBLE FOR ANY IMPACTED COASTAL
AREAS SHOULD MONITOR CONDITIONS AT THE COAST TO DETERMINE IF
AND WHEN IT IS SAFE TO RESUME NORMAL ACTIVITIES.
* PERSONS LOCATED NEAR IMPACTED COASTAL AREAS SHOULD STAY ALERT
FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM LOCAL
AUTHORITIES.
* REMAIN OBSERVANT AND EXERCISE NORMAL CAUTION NEAR THE SEA.
POTENTIAL IMPACTS
-----------------
* MINOR SEA LEVEL FLUCTUATIONS OF UP TO 0.3 METERS ABOVE AND
BELOW THE NORMAL TIDE ARE EXPECTED IN MOST LOCATIONS.
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)
-------------------------------------------------------------
CORONEL CL 37.0S 73.2W 0129 1.03M/ 3.4FT 38
LEBU CL 37.6S 73.7W 2224 0.55M/ 1.8FT 16
PUERTO LOPEZ EC 1.6S 80.8W 2107 0.46M/ 1.5FT 16
LA LIBERTAD EC 2.2S 80.9W 2242 0.60M/ 2.0FT 20
PUERTO ATUN MANTA E 0.9S 80.7W 1954 0.34M/ 1.1FT 30
CORRAL CL 39.9S 73.4W 2315 0.52M/ 1.7FT 64
SANTA BARBARA CA 34.4N 119.7W 1412 0.46M/ 1.5FT 14
ANTARCTICA BASE PRA 62.5S 59.7W 0014 0.19M/ 0.6FT 22
LAZARO CARDENAS MX 17.9N 102.2W 2348 0.17M/ 0.5FT 18
SAN DIEGO CA 32.7N 117.2W 1304 0.22M/ 0.7FT 48
CALDERA CL 27.1S 70.8W 2355 0.73M/ 2.4FT 20
QUINTERO CL 32.8S 71.5W 2333 1.09M/ 3.6FT 18
RIKITEA PF 23.1S 135.0W 1406 0.26M/ 0.9FT 46
HUATULCO MX 15.8N 96.1W 2104 0.51M/ 1.7FT 10
HUATALCO MX 15.8N 96.1W 2300 0.31M/ 1.0FT 12
COLIUMO CL 36.5S 73.0W 2247 1.12M/ 3.7FT 28
DAVAO PH 7.2N 125.7E 2254 0.21M/ 0.7FT 34
BAHIA MANSA CL 40.6S 73.7W 2308 0.86M/ 2.8FT 18
SALINA CRUZ MX 16.2N 95.2W 2327 0.51M/ 1.7FT 20
HIENGHENE NEW CALED 20.7S 164.9E 1151 0.44M/ 1.4FT 32
COQUIMBO CL 29.9S 71.3W 2244 0.85M/ 2.8FT 28
JACKSON BAY NZ 44.0S 168.6E 2154 0.18M/ 0.6FT 16
LAZARO CARDENAS MX 17.9N 102.2W 2217 0.14M/ 0.5FT 20
ZIHUATANEJO MX 17.6N 101.6W 2216 0.58M/ 1.9FT 20
APIA UPOLU WS 13.8S 171.8W 0943 0.81M/ 2.7FT 14
PAGO PAGO AS 14.3S 170.7W 1006 0.95M/ 3.1FT 14
VALPARAISO CL 33.0S 71.6W 2201 0.54M/ 1.8FT 50
ALAMEDA CA 37.8N 122.3W 0936 0.33M/ 1.1FT 32
ANTOFAGASTA CL 23.7S 70.4W 2137 0.39M/ 1.3FT 04
DART 21419 44.4N 155.7E 0151 0.09M/ 0.3FT 42
IQUIQUE CL 20.2S 70.1W 2117 0.37M/ 1.2FT 26
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
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
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
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
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
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
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
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
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
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
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
--------------------------------------
* THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT UNLESS
NEW INFORMATION IS RECEIVED OR THE SITUATION CHANGES.
* 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.
$$