Category: InformationBulletin Issue Time: 2026.07.26 08:50:35 UTC Preliminary Magnitude: 5.7(Mwp)Lat/Lon: 51.718 / -173.406Affected Region: 50 miles SE of Atka Village, AlaskaNote: * An earthquake has occurred; a tsunami is not expected.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.22 18:17:33 UTC Preliminary Magnitude: 4.8(Ml)Lat/Lon: 56.100 / -153.300Affected Region: 125 miles SW of Kodiak City, AlaskaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.17 14:56:39 UTC Preliminary Magnitude: 7.4(Mwp)Lat/Lon: 14.400 / -93.000Affected Region: near the coast of Chiapas, MexicoNote: * There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. * Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami. Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.14 12:15:27 UTC Preliminary Magnitude: 5.2(Ml)Lat/Lon: 54.029 / -162.444Affected Region: 80 miles S of Cold Bay, AlaskaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.13 14:55:50 UTC Preliminary Magnitude: 6.7(Mwp)Lat/Lon: -23.000 / 171.400Affected Region: in the Loyalty Islands regionNote: * There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. * Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami. Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.13 09:05:01 UTC Preliminary Magnitude: 6.5(Mwp)Lat/Lon: -3.000 / 148.700Affected Region: near the Bismarck SeaNote: * There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. * Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami. Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.12 22:16:10 UTC Preliminary Magnitude: 4.3(Ml)Lat/Lon: 59.691 / -152.573Affected Region: 40 miles W of Homer, AlaskaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.12 06:05:25 UTC Preliminary Magnitude: 4.4(Ml)Lat/Lon: 59.634 / -153.367Affected Region: 55 miles SE of Iliamna, AlaskaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.11 01:18:59 UTC Preliminary Magnitude: 4.3(Ml)Lat/Lon: 39.877 / -123.272Affected Region: 80 miles SE of Eureka, CaliforniaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.07.06 05:39:06 UTC Preliminary Magnitude: 4.0(Ml)Lat/Lon: 60.016 / -152.571Affected Region: 45 miles NW of Homer, AlaskaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.29 11:39:40 UTC Preliminary Magnitude: 5.4(Mwp)Lat/Lon: 43.502 / -126.690Affected Region: 185 miles SW of Eugene, OregonNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.29 03:34:58 UTC Preliminary Magnitude: 5.2(ML)Lat/Lon: 60.230 / -145.920Affected Region: 20 miles SW of Cordova, AlaskaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.27 05:28:58 UTC Preliminary Magnitude: 4.2(Ml)Lat/Lon: 60.989 / -150.148Affected Region: 55 miles SW of Palmer, AlaskaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.24 22:47:24 UTC Preliminary Magnitude: 6.9(Mw)Lat/Lon: 40.200 / 142.300Affected Region: near the east coast of Honshu, JapanNote: * There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. * Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami. Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.24 15:15:04 UTC Preliminary Magnitude: 5.6(Mwp)Lat/Lon: 39.220 / -123.442Affected Region: 115 miles NW of Sacramento, CaliforniaNote: * An earthquake has occurred; a tsunami is not expected.Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.19 07:06:06 UTC Preliminary Magnitude: 6.6(Mwp)Lat/Lon: 52.200 / 160.900Affected Region: 285 miles SW of Bering I., KomandorskiNote: * There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. * Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami. Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.17 19:09:52 UTC Preliminary Magnitude: 6.7(Mwp)Lat/Lon: -0.405 / -19.996Affected Region: near the central Mid-Atlantic RidgeNote: * There is no tsunami danger for the U.S. east coast, the Gulf of America states, or the eastern coast of Canada. * Based on the earthquake location near the Mid-Atlantic Ridge, a damaging tsunami is not expected. Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.08 18:08:34 UTC Preliminary Magnitude: 6.4(Mwp)Lat/Lon: 22.800 / -85.300Affected Region: in the Cuba regionNote: * There is no tsunami danger for the U.S. east coast, the Gulf of America states, or the eastern coast of Canada. * Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami. Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.08 00:18:11 UTC Preliminary Magnitude: 7.8(Mwp)Lat/Lon: 5.700 / 125.200Affected Region: in Mindanao, Philippine IslandsNote: * There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. * Some of the areas listed above may experience non-damaging sea level changes. Definition: 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. View bulletin
Category: InformationBulletin Issue Time: 2026.06.03 12:51:07 UTC Preliminary Magnitude: 4.9(Ml)Lat/Lon: 40.370 / -124.727Affected Region: 40 miles SW of Eureka, CaliforniaNote: * There is NO tsunami danger from this earthquake.Definition: 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. View bulletin