Category: InformationBulletin Issue Time: 2026.04.03 08:28:39 UTC Preliminary Magnitude: 5.2(mb)Lat/Lon: 51.610 / 174.990Affected Region: 60 miles SW of Buldir I., 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: 2026.04.02 08:44:01 UTC Preliminary Magnitude: 4.8(Ml)Lat/Lon: 36.970 / -122.276Affected Region: 30 miles NW of Monterey, 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: 2026.04.01 22:57:47 UTC Preliminary Magnitude: 7.8(Mwp)Lat/Lon: 1.200 / 126.400Affected Region: in the Northern Molucca Sea, IndonesiaNote: * 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: 2026.03.31 15:48:12 UTC Preliminary Magnitude: 4.2(Ml)Lat/Lon: 59.801 / -152.340Affected Region: 30 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: 2026.03.22 06:26:48 UTC Preliminary Magnitude: 6.6(Mwp)Lat/Lon: -15.300 / -172.700Affected Region: in the Samoa 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: 2026.03.21 12:28:04 UTC Preliminary Magnitude: 6.9(Mwp)Lat/Lon: 23.817 / -45.803Affected Region: near the northern 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 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: 2026.03.20 00:34:37 UTC Preliminary Magnitude: 7.0(Mwp)Lat/Lon: -61.100 / -56.600Affected Region: near the South Shetland Islands, South Atlantic OceanNote: * 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: 2026.03.17 16:29:18 UTC Preliminary Magnitude: 5.2(Mwp)Lat/Lon: 52.084 / 176.061Affected Region: 15 miles SE of Buldir I., 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: 2026.03.08 22:48:40 UTC Preliminary Magnitude: 5.0(mb)Lat/Lon: 51.938 / 176.169Affected Region: 30 miles SE of Buldir I., 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: 2026.03.06 21:12:57 UTC Preliminary Magnitude: 5.6(Mwp)Lat/Lon: 52.049 / 176.363Affected Region: 25 miles SE of Buldir I., 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: 2026.03.06 14:39:22 UTC Preliminary Magnitude: 6.7(Mwp)Lat/Lon: -11.700 / 163.000Affected Region: near the Solomon IslandsNote: * 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: 2026.03.03 10:49:38 UTC Preliminary Magnitude: 5.3(Mwp)Lat/Lon: 51.927 / 175.917Affected Region: 25 miles S of Buldir I., 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: 2026.03.02 23:51:23 UTC Preliminary Magnitude: 5.5(Mwp)Lat/Lon: 51.997 / 176.071Affected Region: 20 miles SE of Buldir I., 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: 2026.02.23 10:06:22 UTC Preliminary Magnitude: 5.9(Mwp)Lat/Lon: 52.506 / -169.954Affected Region: 50 miles SW of Nikolski, 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: 2026.02.23 05:15:18 UTC Preliminary Magnitude: 6.3(Mwp)Lat/Lon: 52.464 / -169.969Affected Region: 55 miles SW of Nikolski, 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: 2026.02.22 17:16:30 UTC Preliminary Magnitude: 7.1(Mwp)Lat/Lon: 6.800 / 116.300Affected Region: in Borneo, IndonesiaNote: * 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. 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: 2026.02.14 09:01:56 UTC Preliminary Magnitude: 4.0(Ml)Lat/Lon: 61.692 / -149.629Affected Region: 20 miles NW 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: 2026.02.14 02:35:59 UTC Preliminary Magnitude: 6.5(Mwp)Lat/Lon: -15.100 / 166.500Affected Region: near the Vanuatu IslandsNote: * 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: 2026.02.04 15:29:31 UTC Preliminary Magnitude: 4.3(Ml)Lat/Lon: 61.488 / -151.517Affected Region: 75 miles SW of Talkeetna, 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: 2026.02.02 15:04:30 UTC Preliminary Magnitude: 4.1(Ml)Lat/Lon: 37.642 / -122.070Affected Region: 70 miles N of Monterey, 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