This information statement for 55 miles S of Nikolski, Alaska is no longer in force, and was issued by NWS National Tsunami Warning Center. It is kept here as a record of what was issued and when.

Epicentre 52.100, -169.000 · nearest coast US

What this bulletin says

Information Statement

There is NO tsunami danger from this earthquake.

Preliminary magnitude 5.2(Mwp). Magnitudes are revised as more data arrives.

Bulletin details

Category: Information
Bulletin Issue Time: 2026.09.03 13:09:53 UTC
Preliminary Magnitude: 5.2(Mwp)
Lat/Lon: 52.100 / -169.000
Affected Region: 55 miles S of Nikolski, Alaska
Note: 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.

Official bulletin

WEAK53 PAAQ 031309
TIBAK1

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
509 AM AKDT Thu Sep 3 2026

...THIS IS A TSUNAMI INFORMATION STATEMENT...

EVALUATION
----------
 * There is NO tsunami danger from this earthquake.


PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------

 * The following parameters are based on a rapid preliminary
   assessment of the earthquake and changes may occur.

 * Magnitude      5.2
 * Origin Time    0503 AKDT Sep 03 2026
                  0603  PDT Sep 03 2026
                  1303  UTC Sep 03 2026
 * Coordinates    52.1 North 169.0 West
 * Depth          22 miles
 * Location       55 miles S of Nikolski, Alaska
                  330 miles E of Adak, Alaska


ADDITIONAL INFORMATION AND NEXT UPDATE
--------------------------------------
 * Further information will be issued by the United States
   Geological Survey (earthquake.usgs.gov) or the appropriate
   regional seismic network.

 * This will be the only U.S. National Tsunami Warning Center
   message issued for this event unless additional information
   becomes available.

$$

View on tsunami.gov

Issued

3 September 2026 at 13:09 UTC

Effective

3 September 2026 at 13:09 UTC

Issued by

NWS National Tsunami Warning Center

The earthquake behind it

5.2M 5.2 - 93 km S of Nikolski, AlaskaRight at the bulletin's epicentre · Tap for the full event, aftershocks and revisions

5 other earthquakes around the same time

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