WEAK51 PAAQ 301320 TSUAK1 BULLETIN Public Tsunami Message Number 15 NWS National Tsunami Warning Center Palmer AK 620 AM PDT Wed Jul 30 2025 UPDATES ------- * Updated observations * Revised alert areas ...THE TSUNAMI WARNING REMAINS IN EFFECT... ...THE TSUNAMI ADVISORY REMAINS IN EFFECT... Tsunami Warning in Effect for; * CALIFORNIA, The coast from Humboldt/Del Norte Line, California to The Oregon/Cal. Border Tsunami Advisory in Effect for; * CALIFORNIA, The coast from Rincon Point, California (15 miles SE of Santa Barbara) to Humboldt/Del Norte Line, 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 * ALEUTIAN ISLANDS, Samalga Pass, Alaska (30 miles SW of Nikolski) to Attu, Alaska including the Pribilof Islands Alerts in the following areas have been canceled because additional information and analysis have better defined the threat. * The Tsunami Advisory is canceled for the coastal areas of British Columbia from The Wash./BC Border to The BC/Alaska Border * The Tsunami Advisory is canceled for the coastal areas of South Alaska and the Alaska Peninsula and Aleutian Islands from Chignik Bay, Alaska to Samalga Pass, Alaska (30 miles SW of Nikolski) 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 1818 PDT Jul 29 0.3ft 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 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. $$