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

2025-07-31 02:03 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
  • 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 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 LOCATIONLATLONTIME (UTC)HEIGHT (m)PERIOD (min)
Coronel Cl-37-73.201: 291.0338
Lebu Cl-37.6-73.722: 240.5516
Puerto Lopez Ec-1.6-80.821: 070.4616
La Libertad Ec-2.2-80.922: 420.6020
Puerto Atun Manta-0.9-80.719: 540.3430
Corral Cl-39.9-73.423: 150.5264
Santa Barbara Ca34.4-119.714: 120.4614
Antarctica Base Pr-62.5-59.700: 140.1922
Lazaro Cardenas Mx17.9-102.223: 480.1718
San Diego Ca32.7-117.213: 040.2248
Caldera Cl-27.1-70.823: 550.7320
Quintero Cl-32.8-71.523: 331.0918
Rikitea Pf-23.1-13514: 060.2646
Huatulco Mx15.8-96.121: 040.5110
Huatalco Mx15.8-96.123: 000.3112
Coliumo Cl-36.5-7322: 471.1228
Davao Ph7.2125.722: 540.2134
Bahia Mansa Cl-40.6-73.723: 080.8618
Salina Cruz Mx16.2-95.223: 270.5120
Hienghene New Cale-20.7164.911: 510.4432
Coquimbo Cl-29.9-71.322: 440.8528
Jackson Bay Nz-44168.621: 540.1816
Lazaro Cardenas Mx17.9-102.222: 170.1420
Zihuatanejo Mx17.6-101.622: 160.5820
Apia Upolu Ws-13.8-171.809: 430.8114
Pago Pago As-14.3-170.710: 060.9514
Valparaiso Cl-33-71.622: 010.5450
Alameda Ca37.8-122.309: 360.3332
Antofagasta Cl-23.7-70.421: 370.3904
Dart 2141944.4155.701: 510.0942
Iquique Cl-20.2-70.121: 170.3726
Ft Point San Fran37.8-122.509: 130.41POINT SAN FRAN 37.8N 122.5W 0913 0.41M/ 1.3
Port San Luis Ca35.2-120.809: 320.8522
Monterey Harbor Ca36.6-121.911: 440.4332
Adak Ak51.9-176.606: 000.6342
Tocopilla Cl-22.1-70.220: 570.2310
Chanaral Cl-26.4-70.620: 310.5632
Sosunovo Ru46.5138.317: 560.0748
Huasco Cl-28.5-71.220: 240.3618
Port Kembla Au-34.5150.915: 230.0962
Gold Coast Sand By-27.9153.416: 170.2184
Spring Bay Au-42.5147.918: 060.1974
Callao La-punta Pe-12.1-77.220: 120.7044
Paposo Cl-25-70.520: 270.3710
Tocopilla Cl-23.7-70.419: 240.1820
Juan Fernandez Cl-33.6-78.819: 370.0816
Tubuai Pf-23.3-149.512: 110.1720
Sovetskaja Gavan R49140.316: 540.1558
Easter Cl-27.2-109.418: 290.5104
Ouinne New Caledon-22166.715: 100.2714
Vanuatu-17.8168.311: 010.4522
Ouvea New Caledoni-20.5166.613: 210.1824
Luganville Vu-15.5167.213: 090.4228
Port Tauranga Nz-37.6176.216: 220.1646
Owenga Chatham Nz-44-176.417: 240.3426
Fare Ute Tahiti-17.5-149.612: 100.2318
Papeete Tahiti-17.5-149.612: 100.2422
Tosashimizu Shikok32.813316: 080.4922
Ofunato Honshu Jp39141.805: 070.2710
Dart 01003-23.4-173.412: 170.0216
Manzanillo Mx19.1-104.313: 030.5342
Sand Point Ak55.3-160.514: 320.2426
Tofino Ca49.2-125.911: 420.2222
South Beach Or44.6-12411: 310.2116
Crescent City Ca41.7-124.213: 051.1322
Winter Harbour Ca50.5-12807: 090.2742
Baltra Galapags Ec-0.4-90.316: 211.0418
Santacruz Galapago-0.7-90.315: 420.4040
Rarotonga Ck-21.2-159.813: 540.1704
Huahine Pf-16.7-15111: 080.1510
Suva Viti Levu Fj-18.1178.411: 170.0722
Nukualofa To-21.1-175.211: 220.1752
Hiva Oa Marquesas-9.8-13912: 390.5222
Puerto Vallarta Mx20.7-105.212: 580.1608
Litzlitz Vu-16.1167.410: 030.3452
Honiara Sb-9.416010: 000.1046
Alofi Nu-19.1-169.910: 220.1220
Arena Cove Ca38.9-123.709: 230.7906
Off Oregon Coast45.8-129.706: 060.0652
Ofu As-14.2-169.709: 410.1920
Charleston Or43.3-124.308: 540.2120
La Push Wa47.9-124.607: 410.2334
Aunuu As-14.3-170.609: 440.2812
Auasi As-14.3-170.609: 440.2910
Tarekukure Wharf S-6.7156.408: 380.4132
Lombrum Manus Is P-2147.407: 530.2560
Hanasaki Hokkaido43.3145.605: 440.7940
Dart 51425-9.5-176.208: 150.0418
Honokohau Hi Usa19.7-15607: 410.1110
Kawaihae Hawaii20-155.807: 190.3714
Dekehtik Pohnpei F7158.206: 340.1020
Dart 5240211.9153.905: 070.0644
Kaunakakai Us21.1-15706: 200.2330
Pago Bay Guam Us13.4144.807: 070.1510
Honolulu Oahu21.3-157.906: 580.3316
Kahului Maui20.9-156.506: 091.7434
Dutch Hbr Unalaska53.9-166.504: 060.3272
Atka Ak52.2-174.204: 300.5538
Nikolski Ak52.9-168.905: 480.4142
Barbers Pt Hi21.3-158.106: 380.1904
Heeia Hi Usa21.4-157.805: 580.1220
Wakkani Jp45.4141.706: 100.2356
Port Allen Hi Usa21.9-159.606: 300.4210
Chichijima Jp27.1142.206: 270.4918
Waianae Hi Usa21.5-158.206: 220.3710
Hilo Hawaii19.7-155.106: 231.5014
Hanalei Hi22.2-159.505: 481.1712
Keehi Hi Usa21.3-157.906: 120.1934
Makapu'u Hi21.3-157.706: 040.7014
Haleiwa Hi21.6-158.105: 481.2112
Nawiliwili Kauai22-159.405: 360.2314
Nawiliwili Hi22-159.405: 370.2312
Hanalei Hi Usa22.2-159.505: 330.9020
Wake Us19.3166.603: 500.2214
Mera Jp34.9139.805: 100.3224
Apra Harbor Guam U13.4144.704: 420.1256
Saipan Us15.2145.704: 560.2360
Midway28.2-177.404: 000.9608
Dart 4641348-174.201: 440.1940
Kushiro Jp43144.401: 210.3376
Dart 2141550.2171.901: 170.2008
Dart 2141449178.201: 030.2832
Dart 2141648.1163.500: 030.9024