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Maritime warning library

Search stored earthquake reports, tsunami bulletins, navigation notices and security advisories. These sources have different update times and coverage. No matching record does not mean all clear; use official alerts for safety decisions.

1391 stored records loaded for this page. Result limit reached; coverage incomplete. Read individual source dates; these are not verified current alerts.

Unknown source dates remain visible. A date-only source stays date-only. Earthquake search covers up to 30 days of stored events; notice snapshots can contain older records. Dates and source status do not establish that an advisory is currently in force.

1391 matches · showing 501–600

M2.8 · 29 km E of Honaunau-Napoopoo, Hawaii

Earthquake · USGS
Source date: 2026-10-25T10:34:57.654Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.9 · 297 km WSW of Pelican, Alaska

Earthquake · USGS
Source date: 2026-10-25T10:32:49.494Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M5.4 · 33 km ESE of Ambunti, Papua New Guinea

Earthquake · USGS
Source date: 2026-10-25T10:30:27.588Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.4 · 58 km N of Dompu, Indonesia

Earthquake · USGS
Source date: 2026-10-25T10:19:02.328Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.7 · 104 km S of McCarthy, Alaska

Earthquake · USGS
Source date: 2026-10-25T10:17:21.481Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.9 · 166 km SSE of Old Harbor, Alaska

Earthquake · USGS
Source date: 2026-10-25T10:17:02.089Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.7 · 188 km SSE of Old Harbor, Alaska

Earthquake · USGS
Source date: 2026-10-25T10:17:00.434Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.9 · 37 km W of Tatitlek, Alaska

Earthquake · USGS
Source date: 2026-10-25T09:59:02.908Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.5 · 12 km N of Powell, Wyoming

Earthquake · USGS
Source date: 2026-10-25T09:38:10.644Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.42 · 20 km SW of Whitehall, Montana

Earthquake · USGS
Source date: 2026-10-25T09:27:42.290Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.6 · Volcano Islands, Japan region

Earthquake · USGS
Source date: 2026-10-25T09:11:17.412Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.66957688331604 · 4 km ESE of Carnation, Washington

Earthquake · USGS
Source date: 2026-10-25T09:00:41.140Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.5 · 63 km N of Chickaloon, Alaska

Earthquake · USGS
Source date: 2026-10-25T08:56:45.674Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.65 · 29 km SW of South Dos Palos, CA

Earthquake · USGS
Source date: 2026-10-25T08:43:55.530Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M5.4 · 205 km NW of Port-Olry, Vanuatu

Earthquake · USGS
Source date: 2026-10-25T08:41:00.034Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.98 · 6 km WNW of Cobb, CA

Earthquake · USGS
Source date: 2026-10-25T08:38:44.220Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.73 · 2 km NNW of Nuevo, CA

Earthquake · USGS
Source date: 2026-10-25T08:26:58.070Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.81 · 6 km N of Moreno Valley, CA

Earthquake · USGS
Source date: 2026-10-25T08:06:35.490Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.8 · 61 km WNW of Ninilchik, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:55:39.829Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.38 · 15 km N of Warner Springs, CA

Earthquake · USGS
Source date: 2026-10-25T07:54:37.690Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.9 · 8 km E of Willow, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:49:02.769Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.9 · 35 km WNW of Kalifornsky, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:46:12.035Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.3 · 81 km SSE of Akutan, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:45:47.895Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.2 · 84 km SE of Akutan, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:45:46.368Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.6 · 82 km SSE of Akutan, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:44:32.506Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.5 · 89 km SSE of Akutan, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:44:29.869Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.68 · 1 km ENE of Kenwood, CA

Earthquake · USGS
Source date: 2026-10-25T07:33:15.540Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.12 · 8 km NW of The Geysers, CA

Earthquake · USGS
Source date: 2026-10-25T07:30:47.140Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.19 · 9 km SW of Anza, CA

Earthquake · USGS
Source date: 2026-10-25T07:29:07.040Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.06 · 15 km NE of Milford, Utah

Earthquake · USGS
Source date: 2026-10-25T07:25:42.880Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.6 · 50 km SW of Atiquipa, Peru

Earthquake · USGS
Source date: 2026-10-25T07:11:49.640Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.5 · 38 km SSW of Dry Creek, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:08:44.041Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.1 · 29 km SW of South Dos Palos, CA

Earthquake · USGS
Source date: 2026-10-25T07:06:37.740Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1 · 110 km S of McCarthy, Alaska

Earthquake · USGS
Source date: 2026-10-25T07:06:13.806Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.7 · 2 km NNW of The Geysers, CA

Earthquake · USGS
Source date: 2026-10-25T06:54:49.830Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.89 · 2 km NNW of The Geysers, CA

Earthquake · USGS
Source date: 2026-10-25T06:54:40.130Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.99 · 8 km E of Ocotillo Wells, CA

Earthquake · USGS
Source date: 2026-10-25T06:43:04.560Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.22 · 3 km SSW of Pāhala, Hawaii

Earthquake · USGS
Source date: 2026-10-25T06:17:58.270Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.5 · 74 km SSE of Onagawa Chō, Japan

Earthquake · USGS
Source date: 2026-10-25T06:04:22.644Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.75 · 9 km NNE of Pāhala, Hawaii

Earthquake · USGS
Source date: 2026-10-25T06:03:33.500Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.62 · 20 km N of Searles Valley, CA

Earthquake · USGS
Source date: 2026-10-25T06:01:07.640Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.2 · 41 km N of Chickaloon, Alaska

Earthquake · USGS
Source date: 2026-10-25T05:55:45.382Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.59 · 4 km WSW of Anza, CA

Earthquake · USGS
Source date: 2026-10-25T05:54:58.570Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.57 · 12 km E of Coso Junction, CA

Earthquake · USGS
Source date: 2026-10-25T05:53:46.870Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.1 · 34 km W of Petrolia, CA

Earthquake · USGS
Source date: 2026-10-25T05:49:38.140Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.31 · 6 km WNW of Cobb, CA

Earthquake · USGS
Source date: 2026-10-25T05:48:59.490Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.4 · 39 km NW of Beluga, Alaska

Earthquake · USGS
Source date: 2026-10-25T05:32:41.638Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.34 · 5 km N of Hollister, CA

Earthquake · USGS
Source date: 2026-10-25T05:25:48.180Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.08 · 7 km NW of The Geysers, CA

Earthquake · USGS
Source date: 2026-10-25T05:23:14.700Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.9 · 17 km SE of Ambelókipoi, Greece

Earthquake · USGS
Source date: 2026-10-25T05:15:44.196Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M3.13 · 71 km NNW of Charlotte Amalie, U.S. Virgin Islands

Earthquake · USGS
Source date: 2026-10-25T05:11:14.080Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.78 · 17 km ESE of Lake Pillsbury, CA

Earthquake · USGS
Source date: 2026-10-25T05:03:11.360Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.81 · 75 km NNW of Charlotte Amalie, U.S. Virgin Islands

Earthquake · USGS
Source date: 2026-10-25T04:58:11.740Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M3.37 · 65 km NNW of Charlotte Amalie, U.S. Virgin Islands

Earthquake · USGS
Source date: 2026-10-25T04:51:33.930Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.3 · 53 km N of Chase, Alaska

Earthquake · USGS
Source date: 2026-10-25T04:49:03.059Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M3.22 · 65 km N of Culebra, Puerto Rico

Earthquake · USGS
Source date: 2026-10-25T04:41:05.910Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M3.21 · 58 km NNW of Charlotte Amalie, U.S. Virgin Islands

Earthquake · USGS
Source date: 2026-10-25T04:35:25.760Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2 · 25 km WNW of Chenega, Alaska

Earthquake · USGS
Source date: 2026-10-25T04:27:44.889Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.9 · 7 km SE of Skwentna, Alaska

Earthquake · USGS
Source date: 2026-10-25T04:25:53.197Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.7 · 20 km WNW of Clam Gulch, Alaska

Earthquake · USGS
Source date: 2026-10-25T04:09:31.200Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1 · 63 km ESE of Knik River, Alaska

Earthquake · USGS
Source date: 2026-10-25T04:08:46.796Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.5 · 57 km SSW of Skwentna, Alaska

Earthquake · USGS
Source date: 2026-10-25T03:52:03.795Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.4 · 33 km SW of Skwentna, Alaska

Earthquake · USGS
Source date: 2026-10-25T03:46:25.853Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M5.2 · 63 km NNE of Lae, Papua New Guinea

Earthquake · USGS
Source date: 2026-10-25T03:29:10.551Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.78 · 14 km SSE of Fern Forest, Hawaii

Earthquake · USGS
Source date: 2026-10-25T03:18:55.790Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.66 · 4 km SSW of Muir Beach, CA

Earthquake · USGS
Source date: 2026-10-25T03:09:42.620Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.92 · 0 km SSW of Pāhala, Hawaii

Earthquake · USGS
Source date: 2026-10-25T03:01:56.340Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.2 · Bonin Islands, Japan region

Earthquake · USGS
Source date: 2026-10-25T02:47:49.856Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.8 · 49 km WNW of Anchor Point, Alaska

Earthquake · USGS
Source date: 2026-10-25T02:45:42.388Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.07 · 5 km NW of The Geysers, CA

Earthquake · USGS
Source date: 2026-10-25T02:43:28.100Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.73 · 5 km SSW of Lytle Creek, CA

Earthquake · USGS
Source date: 2026-10-25T02:38:57.020Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M4.8 · Bonin Islands, Japan region

Earthquake · USGS
Source date: 2026-10-25T02:36:32.787Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.2 · 7 km NNE of Borrego Springs, CA

Earthquake · USGS
Source date: 2026-10-25T02:31:34.280Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source

Tsunami bulletin · PTWC
Source date: 2026-10-25T02:27:01.000Z
Expired bulletin

- Event details: Preliminary magnitude 7.0 (Mwp) earthquake / Lat: 28.000, Lon: 139.900 at 2026-10-24T02:09:00Z N/A BONIN ISLANDS JAPAN REGION

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This is a Tsunami Information Statement for Alaska, British Columbia, Washington, Oregon, and California.

Tsunami bulletin · NTWC
Source date: 2026-10-25T02:26:53.000Z
Expired bulletin

This is a Tsunami Information Statement for Alaska, British Columbia, Washington, Oregon, and California. - Event details: Preliminary magnitude 7.0 (Mwp) earthquake / Lat: 28.000, Lon: 139.900 at 2026-10-25T02:09:24 UTC An information statement indicates that an earthquake has occurred, but does not pose a tsunami threat, or that a tsunami warning, advisory, or watch has been issued for another section of the ocean. There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. Based on the depth of the earthquake, a tsunami is not expected. This will be the only U.S. National Tsunami Warning Center message for this event unless additional information becomes available. Refer to the internet site tsunami.gov for more information. in the Bonin Islands, Japan region

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M6.1 · 25 km ENE of Port-Olry, Vanuatu

Earthquake · USGS
Source date: 2026-10-25T02:24:00.476Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.08 · 9 km NNW of Lancaster, CA

Earthquake · USGS
Source date: 2026-10-25T02:20:55.590Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.21 · 7 km W of Cobb, CA

Earthquake · USGS
Source date: 2026-10-25T02:15:00.380Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.3 · 2 km SSW of Pāhala, Hawaii

Earthquake · USGS
Source date: 2026-10-25T02:11:29.570Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M-0.11 · 4 km WSW of Anza, CA

Earthquake · USGS
Source date: 2026-10-25T02:09:57.390Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M6.5 · Bonin Islands, Japan region

Earthquake · USGS
Source date: 2026-10-25T02:09:23.818Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.99 · 12 km WNW of Cobb, CA

Earthquake · USGS
Source date: 2026-10-25T02:09:21.840Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M5.1 · 161 km WNW of Port-Olry, Vanuatu

Earthquake · USGS
Source date: 2026-10-25T02:06:10.299Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.4 · 70 km NW of Yakutat, Alaska

Earthquake · USGS
Source date: 2026-10-25T02:04:00.022Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.24 · 2 km N of Stanton, CA

Earthquake · USGS
Source date: 2026-10-25T02:00:44.740Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.39 · 42 km W of False Pass, Alaska

Earthquake · USGS
Source date: 2026-10-25T01:57:04.280Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.56 · 5 km WNW of Yucaipa, CA

Earthquake · USGS
Source date: 2026-10-25T01:46:47.520Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M5.1 · 166 km WNW of Port-Olry, Vanuatu

Earthquake · USGS
Source date: 2026-10-25T01:46:23.382Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.53 · 15 km ESE of Hiko, Nevada

Earthquake · USGS
Source date: 2026-10-25T01:45:48.848Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.35 · 15 km NNE of Milford, Utah

Earthquake · USGS
Source date: 2026-10-25T01:45:20.560Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.9 · 62 km ESE of Knik River, Alaska

Earthquake · USGS
Source date: 2026-10-25T01:45:02.798Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.73 · 32 km WSW of Tecopa, CA

Earthquake · USGS
Source date: 2026-10-25T01:35:08.030Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.18 · 6 km WSW of Pāhala, Hawaii

Earthquake · USGS
Source date: 2026-10-25T01:22:02.240Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.77 · 5 km SW of Ojai, CA

Earthquake · USGS
Source date: 2026-10-25T01:13:07.540Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M0.91 · 5 km WSW of Grapevine, CA

Earthquake · USGS
Source date: 2026-10-25T00:30:53.470Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.06 · 19 km SW of Toms Place, CA

Earthquake · USGS
Source date: 2026-10-25T00:25:35.430Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.95 · 5 km SSW of Humboldt Hill, CA

Earthquake · USGS
Source date: 2026-10-25T00:23:28.230Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M1.1 · 56 km E of McCarthy, Alaska

Earthquake · USGS
Source date: 2026-10-25T00:21:55.883Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2.27 · 17 km SE of Lake Pillsbury, CA

Earthquake · USGS
Source date: 2026-10-25T00:13:56.860Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source
M2 · 11 km SSE of Pāhala, Hawaii

Earthquake · USGS
Source date: 2026-10-25T00:12:35.260Z
Event report; revisions possible

Earthquake event report. Magnitude does not establish a tsunami warning.

Read official source

Official US tsunami warning centres