This information statement for 65 miles SW of Nikolski, Alaska is no longer in force, and was issued by NWS National Tsunami Warning Center.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 52.015, -169.221 · nearest coast US

What this bulletin says

Information Statement

An earthquake has occurred; a tsunami is not expected.

Preliminary magnitude 6.2(Mwp). Magnitudes are revised as more data arrives.

Bulletin details

Category: Information
Bulletin Issue Time: 2026.09.03 11:22:21 UTC
Preliminary Magnitude: 6.2(Mwp)
Lat/Lon: 52.015 / -169.221
Affected Region: 65 miles SW of Nikolski, Alaska
Note: 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.

Official bulletin

WEAK53 PAAQ 031122
TIBAK1

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

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

EVALUATION
----------
 * An earthquake has occurred; a tsunami is not expected.


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

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

 * Magnitude      6.2
 * Origin Time    0317 AKDT Sep 03 2026
                  0417  PDT Sep 03 2026
                  1117  UTC Sep 03 2026
 * Coordinates    52.0 North 169.2 West
 * Depth          48 miles
 * Location       65 miles SW of Nikolski, Alaska
                  320 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 11:22 UTC

Effective

3 September 2026 at 11:22 UTC

Issued by

NWS National Tsunami Warning Center

The earthquake behind it

6.2M 6.2 - 105 km SSW 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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