Tsunami Watch/Warning
Issued by NWS

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002
WEAK51 PAAQ 302219
TSUAK1

BULLETIN
Public Tsunami Message Number 24
NWS National Tsunami Warning Center Palmer AK
319 PM PDT Wed Jul 30 2025

UPDATES
-------
 * There are no updates in this message


...THE TSUNAMI ADVISORY REMAINS IN EFFECT...



Tsunami Advisory in Effect for;

 * CALIFORNIA, The coast from Humboldt/Del Norte Line,
   California to The Oregon/Cal. Border


For other US and Canadian Pacific coasts in North America,
there is no tsunami threat.


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                  0440  PDT Jul 30           0.9ft
 Mothra Endeavour  Canada     1731  PDT Jul 29           0.3ft
 Main Endeavour Field  CA     1739  PDT Jul 29           0.3ft
 Winter Harbour  BC           0455  PDT Jul 30           1.0ft
 Tofino  British Columbia     0156  PDT Jul 30           0.5ft
 Port Orford  Oregon          0127  PDT Jul 30           1.4ft
 La Push  Washington          0342  PDT Jul 30           1.3ft
 Neah Bay  Washington         0248  PDT Jul 30           0.4ft
 Charleston  Oregon           0443  PDT Jul 30           0.9ft
 Humboldt Bay  California     0132  PDT Jul 30           1.2ft
 Crescent City  CA            0139  PDT Jul 30           4.0ft
 Bamfield  BC                 0053  PDT Jul 30           0.4ft
 Newport  Oregon              0423  PDT Jul 30           0.6ft
 Westport South Bay  WA       0043  PDT Jul 30           0.5ft
 Arena Cove  California       0112  PDT Jul 30           3.0ft
 Toke Point  Washington       0053  PDT Jul 30           0.4ft
 Point Reyes  California      0423  PDT Jul 30           2.6ft
 Monterey  California         0424  PDT Jul 30           1.5ft
 Port Angeles  Washington     0646  PDT Jul 30           1.2ft
 Astoria  Oregon              0525  PDT Jul 30           0.5ft
 Victoria Harbor  BC          0123  PDT Jul 30           0.2ft
 Bella Bella  BC              1724  PDT Jul 29           0.5ft
 Port San Luis  CA            0214  PDT Jul 30           2.7ft
 San Francisco  CA            0224  PDT Jul 30           1.2ft
 Santa Barbara  CA            0302  PDT Jul 30           1.3ft
 Richmond  California         0241  PDT Jul 30           0.8ft
 Alameda  California          0247  PDT Jul 30           1.2ft
 Santa Monica  California     0412  PDT Jul 30           0.9ft
 Los Angeles Harbor  CA       0313  PDT Jul 30           0.5ft
 La Jolla  California         0413  PDT Jul 30           0.5ft
 San Diego  California        0318  PDT Jul 30           0.5ft
 Redwood City  California     0425  PDT Jul 30           0.6ft
 Kushiro  Japan                                          1.1ft
 Abashiri  Japan                                         0.8ft
 Midway Island  UM                                       1.0ft
 Bella Bella  BC              0232  PDT Jul 30           0.6ft
 Hanasaki  Japan                                         1.1ft
 Nikolskoe  Russia            1714  PDT Jul 29           0.2ft
 Port Alberni  BC             0107  PDT Jul 30           1.2ft
 Wauna  OR                    0541  PDT Jul 30           0.4ft


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 17 for recommended actions.


IMPACTS
-------
 * See message number 17 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.

$$