NOAA NTWC

Tsunami situation after M5.0: 45 miles SE of Buldir I., Alaska

Information

The covered warning centres issued information statements only for this event, no tsunami warning.

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Key facts

Magnitude
M5.0
Depth · USGS
52.0 km
Event time
Sep 4, 2026, 2:28 AM UTC
First bulletin
Sep 4, 2026, 2:36 AM UTC
Latest bulletin
Sep 4, 2026, 2:36 AM UTC
Bulletins
1
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Situation map

WarningAdvisoryWatchThreat messageInformationOfficial forecast and observation pointsTide gauge

Official alert areas are not modelled inundation zones. The source country identifies the earthquake, not necessarily an affected coastline. Historical events and monitoring stations can be toggled separately.

Arrival times at coastal locations

The warning centre published no arrival times for coastal locations for this bulletin.

Measured waves at tide gauges

Own analysis, not official

No tide gauge analysis is available for this event (only for stronger earthquakes or alert levels).

Bulletin timeline

Area reported by source

45 miles SE of Buldir I., Alaska

  1. Information NOAA NTWC

    Valid until:

    Original authority text

    Original source language; no automatic translation.

    This is a Tsunami Information Statement.

    This is a Tsunami Information Statement. - Event details: Preliminary magnitude 5.0 (mb) earthquake / Lat: 52.128, Lon: 176.905 at 2026-09-04T02:28:46 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 from this earthquake. This will be the only U.S. National Tsunami Warning Center message issued for this event unless additional information becomes available. The location and magnitude are based on preliminary information. Further information will be issued by the United States Geological Survey (earthquake.usgs.gov) or the appropriate regional seismic network.

    Official source ↗

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