WEAK51 PAAQ 301020 TSUAK1 BULLETIN Public Tsunami Message Number 12 NWS National Tsunami Warning Center Palmer AK 320 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. 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. $$