Overall Red Earthquake in Russia on 29 Jul 2025 23:24 UTC

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M 8.8 Earthquake and Tsunami (9.9 m) in Russia on 29 Jul 2025 23:24 UTC

2025-07-30 22:39 message from NTWC

Key information extracted from original GTS message :

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

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.

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 LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
Lazaro Cardenas Mx	17.9	-102.2	22: 17	0.14	20
Zihuatanejo Mx	17.6	-101.6	22: 16	0.58	20
Apia Upolu Ws	-13.8	-171.8	09: 43	0.81	14
Pago Pago As	-14.3	-170.7	10: 06	0.95	14
Valparaiso Cl	-33	-71.6	22: 01	0.54	50
Coquimbo Cl	-29.9	-71.3	22: 06	0.66	28
Alameda Ca	37.8	-122.3	09: 36	0.33	32
Quintero Cl	-32.8	-71.5	21: 47	0.64	24
Coliumo Cl	-36.5	-73	21: 06	0.59	26
Corral Cl	-39.9	-73.4	21: 27	0.28	28
Antofagasta Cl	-23.7	-70.4	21: 37	0.39	04
Dart 21419	44.4	155.7	01: 51	0.09	42
Iquique Cl	-20.2	-70.1	21: 17	0.37	26
Ft Point San Fran	37.8	-122.5	09: 13	0.41	POINT SAN FRAN 37.8N 122.5W 0913 0.41M/ 1.3
Port San Luis Ca	35.2	-120.8	09: 32	0.85	22
Monterey Harbor Ca	36.6	-121.9	11: 44	0.43	32
Adak Ak	51.9	-176.6	06: 00	0.63	42
Tocopilla Cl	-22.1	-70.2	20: 57	0.23	10
Chanaral Cl	-26.4	-70.6	20: 31	0.56	32
Sosunovo Ru	46.5	138.3	17: 56	0.07	48
Huasco Cl	-28.5	-71.2	20: 24	0.36	18
Caldera Cl	-27.1	-70.8	20: 50	0.42	22
Port Kembla Au	-34.5	150.9	15: 23	0.09	62
Gold Coast Sand By	-27.9	153.4	16: 17	0.21	84
Spring Bay Au	-42.5	147.9	18: 06	0.19	74
Callao La-punta Pe	-12.1	-77.2	20: 12	0.70	44
Paposo Cl	-25	-70.5	20: 27	0.37	10
Tocopilla Cl	-23.7	-70.4	19: 24	0.18	20
Juan Fernandez Cl	-33.6	-78.8	19: 37	0.08	16
Tubuai Pf	-23.3	-149.5	12: 11	0.17	20
Sovetskaja Gavan R	49	140.3	16: 54	0.15	58
Easter Cl	-27.2	-109.4	18: 29	0.51	04
Ouinne New Caledon	-22	166.7	15: 10	0.27	14
Vanuatu	-17.8	168.3	11: 01	0.45	22
Ouvea New Caledoni	-20.5	166.6	13: 21	0.18	24
Luganville Vu	-15.5	167.2	13: 09	0.42	28
Port Tauranga Nz	-37.6	176.2	16: 22	0.16	46
Owenga Chatham Nz	-44	-176.4	17: 24	0.34	26
Fare Ute Tahiti	-17.5	-149.6	12: 10	0.23	18
Papeete Tahiti	-17.5	-149.6	12: 10	0.24	22
Salina Cruz Mx	16.2	-95.2	14: 08	0.23	54
Tosashimizu Shikok	32.8	133	16: 08	0.49	22
Ofunato Honshu Jp	39	141.8	05: 07	0.27	10
Dart 01003	-23.4	-173.4	12: 17	0.02	16
Manzanillo Mx	19.1	-104.3	13: 03	0.53	42
Sand Point Ak	55.3	-160.5	14: 32	0.24	26
Tofino Ca	49.2	-125.9	11: 42	0.22	22
South Beach Or	44.6	-124	11: 31	0.21	16
Crescent City Ca	41.7	-124.2	13: 05	1.13	22
Winter Harbour Ca	50.5	-128	07: 09	0.27	42
Baltra Galapags Ec	-0.4	-90.3	16: 21	1.04	18
Santacruz Galapago	-0.7	-90.3	15: 42	0.40	40
Rarotonga Ck	-21.2	-159.8	13: 54	0.17	04
Huahine Pf	-16.7	-151	11: 08	0.15	10
Suva Viti Levu Fj	-18.1	178.4	11: 17	0.07	22
Rikitea Pf	-23.1	-135	13: 12	0.06	22
Nukualofa To	-21.1	-175.2	11: 22	0.17	52
Hiva Oa Marquesas	-9.8	-139	12: 39	0.52	22
Puerto Vallarta Mx	20.7	-105.2	12: 58	0.16	08
Litzlitz Vu	-16.1	167.4	10: 03	0.34	52
Hienghene New Cale	-20.7	164.9	10: 52	0.34	28
Honiara Sb	-9.4	160	10: 00	0.10	46
Alofi Nu	-19.1	-169.9	10: 22	0.12	20
Arena Cove Ca	38.9	-123.7	09: 23	0.79	06
Santa Barbara Ca	34.4	-119.7	09: 47	0.33	14
Off Oregon Coast	45.8	-129.7	06: 06	0.06	52
Ofu As	-14.2	-169.7	09: 41	0.19	20
Charleston Or	43.3	-124.3	08: 54	0.21	20
La Push Wa	47.9	-124.6	07: 41	0.23	34
Aunuu As	-14.3	-170.6	09: 44	0.28	12
Auasi As	-14.3	-170.6	09: 44	0.29	10
Tarekukure Wharf S	-6.7	156.4	08: 38	0.41	32
Lombrum Manus Is P	-2	147.4	07: 53	0.25	60
Hanasaki Hokkaido	43.3	145.6	05: 44	0.79	40
Dart 51425	-9.5	-176.2	08: 15	0.04	18
Honokohau Hi Usa	19.7	-156	07: 41	0.11	10
Kawaihae Hawaii	20	-155.8	07: 19	0.37	14
Dekehtik Pohnpei F	7	158.2	06: 34	0.10	20
Dart 52402	11.9	153.9	05: 07	0.06	44
Kaunakakai Us	21.1	-157	06: 20	0.23	30
Pago Bay Guam Us	13.4	144.8	07: 07	0.15	10
Honolulu Oahu	21.3	-157.9	06: 58	0.33	16
Kahului Maui	20.9	-156.5	06: 09	1.74	34
Dutch Hbr Unalaska	53.9	-166.5	04: 06	0.32	72
Atka Ak	52.2	-174.2	04: 30	0.55	38
Nikolski Ak	52.9	-168.9	05: 48	0.41	42
Barbers Pt Hi	21.3	-158.1	06: 38	0.19	04
Heeia Hi Usa	21.4	-157.8	05: 58	0.12	20
Wakkani Jp	45.4	141.7	06: 10	0.23	56
Port Allen Hi Usa	21.9	-159.6	06: 30	0.42	10
Chichijima Jp	27.1	142.2	06: 27	0.49	18
Waianae Hi Usa	21.5	-158.2	06: 22	0.37	10
Hilo Hawaii	19.7	-155.1	06: 23	1.50	14
Hanalei Hi	22.2	-159.5	05: 48	1.17	12
Keehi Hi Usa	21.3	-157.9	06: 12	0.19	34
Makapu'u Hi	21.3	-157.7	06: 04	0.70	14
Haleiwa Hi	21.6	-158.1	05: 48	1.21	12
Nawiliwili Kauai	22	-159.4	05: 36	0.23	14
Nawiliwili Hi	22	-159.4	05: 37	0.23	12
Hanalei Hi Usa	22.2	-159.5	05: 33	0.90	20
Wake Us	19.3	166.6	03: 50	0.22	14
Mera Jp	34.9	139.8	05: 10	0.32	24
Apra Harbor Guam U	13.4	144.7	04: 42	0.12	56
Saipan Us	15.2	145.7	04: 56	0.23	60
Midway	28.2	-177.4	04: 00	0.96	08
Dart 46413	48	-174.2	01: 44	0.19	40
Kushiro Jp	43	144.4	01: 21	0.33	76
Dart 21415	50.2	171.9	01: 17	0.20	08
Dart 21414	49	178.2	01: 03	0.28	32
Dart 21416	48.1	163.5	00: 03	0.90	24

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)
PTWC	Lazaro Cardenas Mx	17.9	-102.2	22: 17	0.14	20
PTWC	Zihuatanejo Mx	17.6	-101.6	22: 16	0.58	20
PTWC	Apia Upolu Ws	-13.8	-171.8	09: 43	0.81	14
PTWC	Pago Pago As	-14.3	-170.7	10: 06	0.95	14
PTWC	Valparaiso Cl	-33	-71.6	22: 01	0.54	50
PTWC	Coquimbo Cl	-29.9	-71.3	22: 06	0.66	28
PTWC	Alameda Ca	37.8	-122.3	09: 36	0.33	32
PTWC	Quintero Cl	-32.8	-71.5	21: 47	0.64	24
PTWC	Coliumo Cl	-36.5	-73	21: 06	0.59	26
PTWC	Corral Cl	-39.9	-73.4	21: 27	0.28	28
PTWC	Antofagasta Cl	-23.7	-70.4	21: 37	0.39	04
PTWC	Dart 21419	44.4	155.7	01: 51	0.09	42
PTWC	Iquique Cl	-20.2	-70.1	21: 17	0.37	26
PTWC	Ft Point San Fran	37.8	-122.5	09: 13	0.41	POINT SAN FRAN 37.8N 122.5W 0913 0.41M/ 1.3
PTWC	Port San Luis Ca	35.2	-120.8	09: 32	0.85	22
PTWC	Monterey Harbor Ca	36.6	-121.9	11: 44	0.43	32
PTWC	Adak Ak	51.9	-176.6	06: 00	0.63	42
PTWC	Tocopilla Cl	-22.1	-70.2	20: 57	0.23	10
PTWC	Chanaral Cl	-26.4	-70.6	20: 31	0.56	32
PTWC	Sosunovo Ru	46.5	138.3	17: 56	0.07	48
PTWC	Huasco Cl	-28.5	-71.2	20: 24	0.36	18
PTWC	Caldera Cl	-27.1	-70.8	20: 50	0.42	22
PTWC	Port Kembla Au	-34.5	150.9	15: 23	0.09	62
PTWC	Gold Coast Sand By	-27.9	153.4	16: 17	0.21	84
PTWC	Spring Bay Au	-42.5	147.9	18: 06	0.19	74
PTWC	Callao La-punta Pe	-12.1	-77.2	20: 12	0.70	44
PTWC	Paposo Cl	-25	-70.5	20: 27	0.37	10
PTWC	Juan Fernandez Cl	-33.6	-78.8	19: 37	0.08	16
PTWC	Tubuai Pf	-23.3	-149.5	12: 11	0.17	20
PTWC	Sovetskaja Gavan R	49	140.3	16: 54	0.15	58
PTWC	Easter Cl	-27.2	-109.4	18: 29	0.51	04
PTWC	Ouinne New Caledon	-22	166.7	15: 10	0.27	14
PTWC	Vanuatu	-17.8	168.3	11: 01	0.45	22
PTWC	Ouvea New Caledoni	-20.5	166.6	13: 21	0.18	24
PTWC	Luganville Vu	-15.5	167.2	13: 09	0.42	28
PTWC	Port Tauranga Nz	-37.6	176.2	16: 22	0.16	46
PTWC	Owenga Chatham Nz	-44	-176.4	17: 24	0.34	26
PTWC	Fare Ute Tahiti	-17.5	-149.6	12: 10	0.23	18
PTWC	Papeete Tahiti	-17.5	-149.6	12: 10	0.24	22
PTWC	Salina Cruz Mx	16.2	-95.2	14: 08	0.23	54
PTWC	Tosashimizu Shikok	32.8	133	16: 08	0.49	22
PTWC	Ofunato Honshu Jp	39	141.8	05: 07	0.27	10
PTWC	Dart 01003	-23.4	-173.4	12: 17	0.02	16
PTWC	Manzanillo Mx	19.1	-104.3	13: 03	0.53	42
PTWC	Sand Point Ak	55.3	-160.5	14: 32	0.24	26
PTWC	Tofino Ca	49.2	-125.9	11: 42	0.22	22
PTWC	South Beach Or	44.6	-124	11: 31	0.21	16
PTWC	Crescent City Ca	41.7	-124.2	13: 05	1.13	22
PTWC	Winter Harbour Ca	50.5	-128	07: 09	0.27	42
PTWC	Baltra Galapags Ec	-0.4	-90.3	16: 21	1.04	18
PTWC	Santacruz Galapago	-0.7	-90.3	15: 42	0.40	40
PTWC	Rarotonga Ck	-21.2	-159.8	13: 54	0.17	04
PTWC	Huahine Pf	-16.7	-151	11: 08	0.15	10
PTWC	Suva Viti Levu Fj	-18.1	178.4	11: 17	0.07	22
PTWC	Rikitea Pf	-23.1	-135	13: 12	0.06	22
PTWC	Nukualofa To	-21.1	-175.2	11: 22	0.17	52
PTWC	Hiva Oa Marquesas	-9.8	-139	12: 39	0.52	22
PTWC	Puerto Vallarta Mx	20.7	-105.2	12: 58	0.16	08
PTWC	Litzlitz Vu	-16.1	167.4	10: 03	0.34	52
PTWC	Hienghene New Cale	-20.7	164.9	10: 52	0.34	28
PTWC	Honiara Sb	-9.4	160	10: 00	0.10	46
PTWC	Alofi Nu	-19.1	-169.9	10: 22	0.12	20
PTWC	Arena Cove Ca	38.9	-123.7	09: 23	0.79	06
PTWC	Santa Barbara Ca	34.4	-119.7	09: 47	0.33	14
PTWC	Off Oregon Coast	45.8	-129.7	06: 06	0.06	52
PTWC	Ofu As	-14.2	-169.7	09: 41	0.19	20
PTWC	Charleston Or	43.3	-124.3	08: 54	0.21	20
PTWC	La Push Wa	47.9	-124.6	07: 41	0.23	34
PTWC	Aunuu As	-14.3	-170.6	09: 44	0.28	12
PTWC	Auasi As	-14.3	-170.6	09: 44	0.29	10
PTWC	Tarekukure Wharf S	-6.7	156.4	08: 38	0.41	32
PTWC	Lombrum Manus Is P	-2	147.4	07: 53	0.25	60
PTWC	Hanasaki Hokkaido	43.3	145.6	05: 44	0.79	40
PTWC	Dart 51425	-9.5	-176.2	08: 15	0.04	18
PTWC	Honokohau Hi Usa	19.7	-156	07: 41	0.11	10
PTWC	Kawaihae Hawaii	20	-155.8	07: 19	0.37	14
PTWC	Dekehtik Pohnpei F	7	158.2	06: 34	0.10	20
PTWC	Dart 52402	11.9	153.9	05: 07	0.06	44
PTWC	Kaunakakai Us	21.1	-157	06: 20	0.23	30
PTWC	Pago Bay Guam Us	13.4	144.8	07: 07	0.15	10
PTWC	Honolulu Oahu	21.3	-157.9	06: 58	0.33	16
PTWC	Kahului Maui	20.9	-156.5	06: 09	1.74	34
PTWC	Dutch Hbr Unalaska	53.9	-166.5	04: 06	0.32	72
PTWC	Atka Ak	52.2	-174.2	04: 30	0.55	38
PTWC	Nikolski Ak	52.9	-168.9	05: 48	0.41	42
PTWC	Barbers Pt Hi	21.3	-158.1	06: 38	0.19	04
PTWC	Heeia Hi Usa	21.4	-157.8	05: 58	0.12	20
PTWC	Wakkani Jp	45.4	141.7	06: 10	0.23	56
PTWC	Port Allen Hi Usa	21.9	-159.6	06: 30	0.42	10
PTWC	Chichijima Jp	27.1	142.2	06: 27	0.49	18
PTWC	Waianae Hi Usa	21.5	-158.2	06: 22	0.37	10
PTWC	Hilo Hawaii	19.7	-155.1	06: 23	1.50	14
PTWC	Hanalei Hi	22.2	-159.5	05: 48	1.17	12
PTWC	Keehi Hi Usa	21.3	-157.9	06: 12	0.19	34
PTWC	Makapu'u Hi	21.3	-157.7	06: 04	0.70	14
PTWC	Haleiwa Hi	21.6	-158.1	05: 48	1.21	12
PTWC	Nawiliwili Kauai	22	-159.4	05: 36	0.23	14
PTWC	Nawiliwili Hi	22	-159.4	05: 37	0.23	12
PTWC	Hanalei Hi Usa	22.2	-159.5	05: 33	0.90	20
PTWC	Wake Us	19.3	166.6	03: 50	0.22	14
PTWC	Mera Jp	34.9	139.8	05: 10	0.32	24
PTWC	Apra Harbor Guam U	13.4	144.7	04: 42	0.12	56
PTWC	Saipan Us	15.2	145.7	04: 56	0.23	60
PTWC	Midway	28.2	-177.4	04: 00	0.96	08
PTWC	Dart 46413	48	-174.2	01: 44	0.19	40
PTWC	Kushiro Jp	43	144.4	01: 21	0.33	76
PTWC	Dart 21415	50.2	171.9	01: 17	0.20	08
PTWC	Dart 21414	49	178.2	01: 03	0.28	32
PTWC	Dart 21416	48.1	163.5	00: 03	0.90	24

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