9AM Update: The first wave have come through around 1.1 ft (measured at Port Orford), and additional waves could be higher closer to 2.5 to 3 feet. Tsunami advisory continues until further notice – NWS Medford
At 8:26 pm PST on Friday evening, a volcano began to erupt near the Tonga Islands at 20.5 degrees south latitude and 175.4 degrees west longitude . A Tsunami Advisory is in effect for the west coast of the United States with tsunami waves of around 1 to 2 .5 feet of amplitude relative to normal sea level arriving along the Oregon and northern California coast beginning around 755 AM PST. The first of these waves may not be the largest. Widespread inundation is not expected, but move off the beach and out of harbors and marinas! Strong currents may be hazardous to boats and coastal structures.
Update 8:11am: Officials say this will be a prolonged event with multiple pulses occurring through the day and the highest wave heights may occur later in the day.
A volcanic eruption near Tonga has produced a tsunami overnight and officials have issued warnings for the entire west coast this morning. 1-3 foot waves are expected along with unpredictable currents. More information is available in our breaking news app where we have been covering this since it occurred.
Here is the latest information:
Impact times for Oregon:
* Oregon Port Orford 0755 PST Jan 15 Brookings 0800 PST Jan 15 Charleston 0810 PST Jan 15 Newport 0830 PST Jan 15 Seaside 0845 PST Jan 15
BULLETIN Public Tsunami Message Number 6 NWS National Tsunami Warning Center Palmer AK 728 AM PST Sat Jan 15 2022 UPDATES ------- * A tsunami has been confirmed and some impacts are expected * A Volcanic Eruption has occured in the Tonga Islands * Please disregard earthquake parameters * Advisory level waves continue to be observed in Hawaii * Sea level fluctuations are beginning in Alaska and California ...THE TSUNAMI ADVISORY REMAINS IN EFFECT... Tsunami Advisory in Effect for; * CALIFORNIA, The coast from The Cal./Mexico Border to The Oregon/Cal. Border 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 * SOUTHEAST ALASKA, The inner and outer coast from The BC/Alaska Border to Cape Fairweather, Alaska (80 miles SE of Yakutat) * SOUTH ALASKA AND THE ALASKA PENINSULA, Pacific coasts from Cape Fairweather, Alaska (80 miles SE of Yakutat) 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 FORECASTS OF TSUNAMI ACTIVITY ----------------------------- * Tsunami activity is forecasted to start at the following locations at the specified times. FORECAST START SITE OF TSUNAMI ---- ---------- * Alaska Adak 0600 AKST Jan 15 Shemya 0615 AKST Jan 15 Unalaska 0650 AKST Jan 15 Sand Point 0710 AKST Jan 15 Saint Paul 0735 AKST Jan 15 Cold Bay 0745 AKST Jan 15 Kodiak 0750 AKST Jan 15 Sitka 0755 AKST Jan 15 Elfin Cove 0755 AKST Jan 15 Seward 0815 AKST Jan 15 Yakutat 0815 AKST Jan 15 Valdez 0830 AKST Jan 15 Craig 0835 AKST Jan 15 Cordova 0840 AKST Jan 15 Homer 0905 AKST Jan 15 * California Fort Bragg 0735 PST Jan 15 Monterey 0735 PST Jan 15 Port San Luis 0740 PST Jan 15 Santa Barbara 0745 PST Jan 15 La Jolla 0750 PST Jan 15 Los Angeles Harb 0750 PST Jan 15 Newport Beach 0755 PST Jan 15 Oceanside 0755 PST Jan 15 Crescent City 0800 PST Jan 15 San Francisco 0810 PST Jan 15 * Oregon Port Orford 0755 PST Jan 15 Brookings 0800 PST Jan 15 Charleston 0810 PST Jan 15 Newport 0830 PST Jan 15 Seaside 0845 PST Jan 15 * British Columbia Langara 0830 PST Jan 15 Tofino 0850 PST Jan 15 * Washington Long Beach 0835 PST Jan 15 La Push 0845 PST Jan 15 Neah Bay 0850 PST Jan 15 Westport 0850 PST Jan 15 Moclips 0855 PST Jan 15 Port Angeles 0930 PST Jan 15 Port Townsend 0955 PST Jan 15