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

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

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

2025-07-30 14:23 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... hawaii... 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... 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)
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
Ouvea New Caledoni	-20.5	166.6	10: 57	0.14	30
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
Vanuatu	-17.8	168.3	10: 44	0.42	16
Arena Cove Ca	38.9	-123.7	09: 23	0.79	06
Monterey Harbor Ca	36.6	-121.9	08: 10	0.35	38
Port San Luis Ca	35.2	-120.8	09: 33	0.86	18
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
Luganville Vu	-15.5	167.2	09: 58	0.21	52
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
Crescent City Ca	41.7	-124.2	09: 30	1.12	22
Hanasaki Hokkaido	43.3	145.6	05: 44	0.79	40
Apia Upolu Ws	-13.8	-171.8	09: 43	0.70	18
Pago Pago As	-14.3	-170.7	09: 29	0.25	20
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	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	Ouvea New Caledoni	-20.5	166.6	10: 57	0.14	30
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	Vanuatu	-17.8	168.3	10: 44	0.42	16
PTWC	Arena Cove Ca	38.9	-123.7	09: 23	0.79	06
PTWC	Monterey Harbor Ca	36.6	-121.9	08: 10	0.35	38
PTWC	Port San Luis Ca	35.2	-120.8	09: 33	0.86	18
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	Luganville Vu	-15.5	167.2	09: 58	0.21	52
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	Crescent City Ca	41.7	-124.2	09: 30	1.12	22
PTWC	Hanasaki Hokkaido	43.3	145.6	05: 44	0.79	40
PTWC	Apia Upolu Ws	-13.8	-171.8	09: 43	0.70	18
PTWC	Pago Pago As	-14.3	-170.7	09: 29	0.25	20
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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