ZCZC WEPA40 PHEB 300017 TSUPAC TSUNAMI MESSAGE NUMBER 2 NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI 0016 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 UPDATED IN THIS MESSAGE. PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 8.7 * 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 8.7 OCCURRED OFF THE EAST COAST OF KAMCHATKA, RUSSIA AT 2325 UTC ON TUESDAY JULY 29 2025. * BASED ON ALL AVAILABLE DATA... HAZARDOUS TSUNAMI WAVES ARE FORECAST FOR SOME COASTS. TSUNAMI THREAT FORECAST...UPDATED --------------------------------- * TSUNAMI WAVES REACHING MORE THAN 3 METERS ABOVE THE TIDE LEVEL ARE POSSIBLE ALONG SOME COASTS OF NORTHWESTERN HAWAIIAN ISLANDS... AND RUSSIA. * TSUNAMI WAVES REACHING 1 TO 3 METERS ABOVE THE TIDE LEVEL ARE POSSIBLE ALONG SOME COASTS OF GUAM... HAWAII... JAPAN... JOHNSTON ATOLL... MIDWAY ISLAND... NORTHERN MARIANAS... AND PALMYRA ISLAND. * TSUNAMI WAVES REACHING 0.3 TO 1 METERS ABOVE THE TIDE LEVEL ARE POSSIBLE FOR SOME COASTS OF CHUUK... KOSRAE... MARSHALL ISLANDS... PALAU... PHILIPPINES... POHNPEI... WAKE ISLAND... AND YAP. * TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS ABOVE THE TIDE LEVEL FOR THE COASTS OF DPR OF KOREA... REPUBLIC OF KOREA... AND TAIWAN. * 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) ------------------------------------------------------------ PETROPAVLOVSK RUSSIA 53.2N 159.6E 2358 07/29 UST KAMCHATSK RUSSIA 56.1N 162.6E 0012 07/30 MEDNNY ISLAND RUSSIA 54.7N 167.4E 0035 07/30 OSTROV KARAGINS RUSSIA 58.8N 164.5E 0040 07/30 URUP ISLAND RUSSIA 46.1N 150.5E 0047 07/30 SEVERO KURILSK RUSSIA 50.8N 156.1E 0110 07/30 KUSHIRO JAPAN 42.9N 144.3E 0132 07/30 HACHINOHE JAPAN 40.5N 141.5E 0212 07/30 KATSUURA JAPAN 35.1N 140.3E 0222 07/30 HACHIJO JIMA JAPAN 33.1N 139.8E 0234 07/30 CHICHI JIMA JAPAN 27.0N 142.2E 0303 07/30 MINAMITORISHIMA MINAMITORISHIMA 24.3N 154.0E 0311 07/30 MIDWAY ISLAND MIDWAY ISLAND 28.2N 177.4W 0327 07/30 GASTELLO RUSSIA 49.1N 143.0E 0339 07/30 SAPPORO JAPAN 43.5N 141.0E 0340 07/30 SHIMIZU JAPAN 32.8N 133.0E 0344 07/30 WAKE ISLAND WAKE ISLAND 19.3N 166.6E 0350 07/30 NOBEOKA JAPAN 32.5N 131.8E 0350 07/30 LISIANSKI NORTHWEST HAWAII 26.1N 174.0W 0355 07/30 NIIGATA JAPAN 38.0N 139.0E 0359 07/30 LAYSAN NORTHWEST HAWAII 25.8N 171.7W 0402 07/30 FRENCH FRIGATE NORTHWEST HAWAII 23.9N 166.3W 0432 07/30 SAIPAN NORTHERN MARIANA 15.3N 145.8E 0436 07/30 NECKER NORTHWEST HAWAII 23.6N 164.7W 0439 07/30 NIHOA NORTHWEST HAWAII 23.1N 161.9W 0454 07/30 GUAM GUAM 13.4N 144.7E 0457 07/30 SHIMANE JAPAN 35.8N 133.0E 0458 07/30 OKINAWA JAPAN 26.2N 127.8E 0500 07/30 ENIWETOK MARSHALL ISLANDS 11.4N 162.3E 0509 07/30 NAWILIWILI HAWAII 22.0N 159.4W 0517 07/30 JOHNSTON ISLAND JOHNSTON ISLAND 16.7N 169.5W 0520 07/30 KWAJALEIN MARSHALL ISLANDS 8.7N 167.7E 0521 07/30 HONOLULU HAWAII 21.3N 157.9W 0531 07/30 YAP ISLAND YAP 9.5N 138.1E 0532 07/30 NAGASAKI JAPAN 32.7N 129.7E 0533 07/30 KAHULUI HAWAII 20.9N 156.5W 0537 07/30 PALANAN PHILIPPINES 17.1N 122.6E 0542 07/30 POHNPEI ISLAND POHNPEI 7.0N 158.2E 0542 07/30 MAJURO MARSHALL ISLANDS 7.1N 171.4E 0543 07/30 KOSRAE ISLAND KOSRAE 5.5N 163.0E 0543 07/30 HILO HAWAII 19.7N 155.1W 0555 07/30 LAOAG PHILIPPINES 18.2N 120.6E 0607 07/30 CHUUK ISLAND CHUUK 7.4N 151.8E 0612 07/30 MALAKAL PALAU 7.3N 134.5E 0612 07/30 LEGASPI PHILIPPINES 13.2N 123.8E 0613 07/30 SAN FERNANDO PHILIPPINES 16.6N 120.3E 0627 07/30 DAVAO PHILIPPINES 6.8N 125.7E 0640 07/30 PALMYRA ISLAND PALMYRA ISLAND 5.9N 162.1W 0707 07/30 MANILA PHILIPPINES 14.6N 121.0E 0845 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. 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