WEAK51 PAAQ 300919
TSUAK1
BULLETIN
Public Tsunami Message Number 11
NWS National Tsunami Warning Center Palmer AK
219 AM PDT Wed Jul 30 2025
UPDATES
-------
* Updated observations
....THE TSUNAMI WARNING REMAINS IN EFFECT...
....THE TSUNAMI ADVISORY REMAINS IN EFFECT...
Tsunami Warning in Effect for;
* CALIFORNIA, The coast from Cape Mendocino, California to
  The Oregon/Cal. Border
Tsunami Advisory in Effect for;
* CALIFORNIA, The coast from The Cal./Mexico Border to Cape
  Mendocino, California including San Francisco Bay
* OREGON, The coast from The Oregon/Cal. Border to The
  Oregon/Wash. Border including the Columbia River estuary
  coast
* WASHINGTON, Outer coast from the Oregon/Washington border
  to Slip Point, Columbia River estuary coast, and the Juan
  de Fuca Strait coast
* BRITISH COLUMBIA, The north coast and Haida Gwaii, the
  central coast and northeast Vancouver Island, the outer
  west coast of Vancouver Island, the Juan de Fuca Strait
  coast
* SOUTH ALASKA AND THE ALASKA PENINSULA, Pacific coasts from
  Chignik Bay, Alaska to Unimak Pass, Alaska (80 miles NE of
  Unalaska)
* ALEUTIAN ISLANDS, Unimak Pass, Alaska (80 miles NE of
  Unalaska) to Attu, Alaska including the Pribilof Islands
For other US and Canadian Pacific coasts in North America,
there is no tsunami threat.
FORECASTS OF TSUNAMI ACTIVITY
-----------------------------
* A tsunami has been generated.  The first waves are forecasted to
  arrive at the following locations and specified times.
* Forecast tsunami duration is the approximate length of time which
  the tsunami may produce dangerous currents and waves.
* Forecast max tsunami height is the highest expected water level
  above the tide.
* Forecasts are not provided for sites which have been impacted
  more than an hour prior to the time of this message.
                 FORECAST         FORECAST  FORECAST
                 START            TSUNAMI   MAX TSUNAMI
SITE             OF TSUNAMI       DURATION  HEIGHT
----             ----------       --------  -------------
* Washington
Tacoma           0200  PDT Jul 30
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
---------------------------- ----------------        --------------
Amchitka  Alaska              0056  PDT Jul 30           1.8ft
Atka  Alaska                  2149  PDT Jul 29           1.5ft
Adak  Alaska                  2321  PDT Jul 29           2.7ft
Nikolski  Alaska              2227  PDT Jul 29           1.2ft
Unalaska  Alaska                                         0.8ft
Saint Paul  Alaska                                       0.4ft
Sand Point  Alaska                                       0.3ft
King Cove  Alaska                                        0.0ft
Langara  BC                   0153  PDT Jul 30           0.5ft
Mothra Endeavour  Canada     1731  PDT Jul 29            0.3ft
Main Endeavour Field  CA     1739  PDT Jul 29            0.3ft
Winter Harbour  BC            2350  PDT Jul 29           0.7ft
Tofino  British Columbia     0156  PDT Jul 30            0.5ft
Port Orford  Oregon           0127  PDT Jul 30           1.4ft
La Push  Washington           0024  PDT Jul 30           0.7ft
Neah Bay  Washington          0125  PDT Jul 30           0.3ft
Charleston  Oregon            0030  PDT Jul 30           0.7ft
Humboldt Bay  California     0132  PDT Jul 30            1.2ft
Crescent City   CA            0144  PDT Jul 30           3.6ft
Bamfield  BC                  0053  PDT Jul 30           0.4ft
Newport  Oregon       0042  PDT Jul 30           0.5ft
Westport South Bay  WA       0043  PDT Jul 30            0.5ft
Arena Cove  California       0118  PDT Jul 30            3.0ft
Toke Point  Washington       0053  PDT Jul 30            0.4ft
Point Reyes  California      0056  PDT Jul 30            0.8ft
Monterey  California          0051  PDT Jul 30           1.1ft
Port Angeles  Washington     1818  PDT Jul 29            0.3ft
Victoria Harbor  BC           0123  PDT Jul 30           0.2ft
Bella Bella  BC       1724  PDT Jul 29           0.5ft
Port San Luis   CA            0200  PDT Jul 30           1.3ft
San Francisco   CA            0117  PDT Jul 30           0.8ft
Richmond  California          0136  PDT Jul 30           0.4ft
Santa Monica  California     0152  PDT Jul 30            0.5ft
La Jolla  California          0154  PDT Jul 30           0.4ft
Kushiro  Japan                                   1.1ft
Abashiri  Japan                                  0.8ft
Midway Island   UM                                       1.0ft
Bella Bella  BC       2350  PDT Jul 29           0.7ft
Hanasaki  Japan                                  1.1ft
Nikolskoe  Russia             1714  PDT Jul 29           0.2ft
Port Alberni  BC              0107  PDT Jul 30           1.2ft
PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
* Magnitude       8.8
* Origin Time     1525 AKDT Jul 29 2025
                  1625  PDT Jul 29 2025
                  2325  UTC Jul 29 2025
* Coordinates     52.2 North 160.0 East
* Depth   46 miles
* Location        315 miles SW of Bering I., Komandorski
                  80 miles SE of Petropavlovsk, Kamchatka
RECOMMENDED ACTIONS
-------------------
* See message number 4 for recommended actions.
IMPACTS
-------
* See message number 4 for possible impacts.
ADDITIONAL INFORMATION AND NEXT UPDATE
--------------------------------------
* Refer to the internet site 
tsunami.gov for more information.
* Pacific coastal residents outside California, Oregon,
  Washington, British Columbia and Alaska should refer to the
  Pacific Tsunami Warning Center messages at 
tsunami.gov.
* This message will be updated within 60 minutes.
$$