This information statement for near the east coast of Honshu, Japan is no longer in force, and was issued by NWS National Tsunami Warning Center.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 40.200, 142.300 · nearest coast JP

What this bulletin says

Information Statement

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.

Preliminary magnitude 6.9(Mw). Magnitudes are revised as more data arrives.

Bulletin details

Category: Information
Bulletin Issue Time: 2026.06.24 22:47:24 UTC
Preliminary Magnitude: 6.9(Mw)
Lat/Lon: 40.200 / 142.300
Affected Region: near the east coast of Honshu, Japan
Note: 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.

Official bulletin

WEAK53 PAAQ 242247
TIBAK1

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
347 PM PDT Wed Jun 24 2026

...THIS IS A TSUNAMI INFORMATION STATEMENT FOR ALASKA, BRITISH
   COLUMBIA, WASHINGTON, OREGON AND CALIFORNIA...

EVALUATION
----------
 * 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. 

 * An earthquake has occurred with parameters listed below. 


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

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

 * Magnitude      6.9
 * Origin Time    1430 AKDT Jun 24 2026
                  1530  PDT Jun 24 2026
                  2230  UTC Jun 24 2026
 * Coordinates    40.2 North 142.3 East
 * Depth          38 miles
 * Location       near the east coast of Honshu, Japan


ADDITIONAL INFORMATION AND NEXT UPDATE
--------------------------------------
 * Refer to the internet site tsunami.gov for more information. 

 * Pacific coastal regions outside California, Oregon, Washington, 
   British Columbia, and Alaska should refer to the Pacific Tsunami 
   Warning Center messages at tsunami.gov. 

 * 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

24 June 2026 at 22:47 UTC

Effective

24 June 2026 at 22:47 UTC

Issued by

NWS National Tsunami Warning Center

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