WEAK53 PAAQ 081629
TIBAK1

Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
829 AM PST Mon Dec 8 2025

...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. 

 * Some of the areas listed above may experience non-damaging 
   sea level changes. 

 * Sea level observations indicate a tsunami was generated. 


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

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

 * Magnitude      7.6
 * Origin Time    0515 AKST Dec 08 2025
                  0615  PST Dec 08 2025
                  1415  UTC Dec 08 2025
 * Coordinates    41.1 North 142.3 East
 * Depth          32 miles
 * Location       in the Hokkaido, Japan region


OBSERVATIONS OF TSUNAMI ACTIVITY - UPDATED
------------------------------------------
 * Observed max tsunami height is the highest recorded water level
   above the tide level up to the time of this message.

                                  TIME               OBSERVED MAX
 SITE                         OF MEASUREMENT         TSUNAMI HEIGHT
 ---------------------------- ----------------       --------------
 Kushiro  Japan               0720  PST Dec  8           0.4ft
 Ofunato  Japan               0712  PST Dec  8           0.5ft


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 final U.S. National Tsunami Warning Center 
   message issued for this event unless additional information 
   becomes available. 

$$