9:36 a.m.
WEAK53 PAAQ 210935
TIBAK1
Tsunami Information Statement Number 1
NWS National Tsunami Warning Center Palmer AK
135 AM AKDT Sun Sep 21 2025
...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 5.5
* Origin Time 0131 AKDT Sep 21 2025
0231 PDT Sep 21 2025
0931 UTC Sep 21 2025
* Coordinates 51.4 North 178.1 West
* Depth 22 miles
* Location 125 miles E of Amchitka, Alaska
70 miles SW 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.
$$