A tsunami advisory has been issued for the California coast following a powerful 8.8 magnitude earthquake off Russia’s eastern coast, causing fears of dangerous waves and prompting evacuations in Hawaii and Alaska, as residents brace for potential impacts reminiscent of past devastating tsunamis.

In a dramatic turn of events, a tsunami advisory has been issued for the entire California coast following a powerful 8.8 magnitude earthquake that struck off the eastern coast of Russia on July 29, 2025.

The earthquake, which occurred at 9:25 a.m. local time in Russia’s Kamchatka Peninsula, sent shockwaves across the Pacific, resulting in significant waves crashing into buildings in Siberia and northeastern Japan, raising concerns about potential impacts on the U.S. West Coast.

The U.S. Tsunami Warning Center confirmed that the advisory, which is the second level in its three-tier alert system, is not just limited to California but extends to the entire West Coast, including Washington and Oregon, as well as parts of British Columbia and Alaska.

More severe tsunami warnings have been issued for Hawaii, Guam, and the western section of Alaska’s Aleutian Islands, where residents are being urged to evacuate coastal areas immediately.

As the tsunami advisory was upgraded from an initial watch around 6:30 p.m. PT, California residents were informed that if a tsunami were to materialize, it would first hit the Mendocino County coast at approximately 11:50 p.m. and reach the Los Angeles area by 1 a.m. Wednesday.

The largest impact is anticipated in Crescent City, where waves could reach heights of up to 5.4 feet, a stark reminder of the devastation caused by past tsunamis, including the deadly 2011 event that destroyed the harbor and resulted in loss of life.

In Port San Luis, waves of up to 3.8 feet are expected, while other areas along the California coast may see waves of 1.4 feet or less. In Los Angeles, the forecast predicts waves of less than 1 foot.

However, officials caution that even smaller waves can be dangerous, emphasizing that strong currents can injure or drown individuals near the water and wreak havoc on boats and infrastructure.

The earthquake’s impact was felt immediately in Russia, where reports indicate that a tsunami of 10 to 13 feet surged onto the Kamchatka Peninsula, damaging buildings, including a kindergarten, and injuring several people.

In Japan, officials have advised residents along the eastern coast to evacuate as waves of up to 10 feet threaten their shores.

Footage from NHK, Japan’s national broadcaster, showed strong currents sweeping away structures in northeastern Japan, highlighting the potential for widespread destruction.

As residents in California brace for the possibility of a tsunami, many have taken to social media to share their concerns and preparations.

Reports from Hawaii indicate congested roadways as locals heed evacuation orders, with some seen stocking up on supplies at local stores like Costco.

The first tsunami waves could reach Hawaii as early as 7:17 p.m. local time, adding to the urgency of the situation.

Officials are closely monitoring the situation and are in constant communication with coastal leaders and emergency services.

Los Angeles Mayor Karen Bass has urged residents to sign up for emergency alerts through NotifyLA.org to stay informed about any developments.

Similarly, San Francisco officials are evaluating whether shoreline evacuations are necessary and are prepared to issue additional alerts as the situation unfolds.

Historically, tsunamis can be deceptive; the first wave is often not the largest, and subsequent waves can arrive hours later.

This unpredictability has led to tragic outcomes in the past, including the devastating 1964 tsunami that struck Crescent City, resulting in significant loss of life and destruction.

Officials are warning that even waves measuring just six inches can knock over an adult, and two feet of fast-moving water can sweep away vehicles.

As the West Coast remains on high alert, residents are urged to stay informed and prepared for any developments. The situation is evolving rapidly, and officials are committed to keeping the public updated on the latest information regarding the tsunami advisory and its potential impacts.

With the threat of powerful waves looming, the coming hours will be critical for California and the surrounding regions.