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Has tsunami hit Hawaii yet? Here's when waves will reach Los Angeles, California and Alaska

The first tsunami waves were recorded in Hawaii as the buoy data near Nawiliwili confirmed movement across the coast on Tuesday

Updated on: Jul 30, 2025, 12:13:59 IST
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The first tsunami waves were recorded in Hawaii as the buoy data near Nawiliwili confirmed movement across the coast, and water quickly receded at Hanalei Bay on Kauai late on Tuesday. The tsunami, triggered by an 8.8 magnitude earthquake off Russia’s Kamchatka Peninsula, has put several West Coast states on alert. The NWS and local authorities warned about dangerous conditions in Alaska, Hawaii, and California.

A tsunami took the first tsunami hit on Tuesday (AFP)
A tsunami took the first tsunami hit on Tuesday (AFP)

Hawaii Governor Josh Green has urged continued evacuations, warning of potentially larger waves and flooding that could persist for hours, though no major damage has been confirmed yet.

Green said data from Midway Atoll, which is part of the way between Japan and Hawaii, measured tsunami waves from peak to trough of 6 feet (1.8 meters).

Read More: Videos capture insane traffic in Hawaii: Locals, tourists try to get to higher ground amid tsunami warning

He told a news conference that a wave that size could move cars and throw fences around.

“It can dislodge trees, that’s why you can’t just be out there. The impact is at great speed,” Green said. “Any structure that gets loose and strikes the individual could take them out. And people can drown quite easily with the force of that kind of wave.”

When will tsunami hit California and Hawaii?

As per the latest NWS press release, the tsunami triggered by the 8.8 magnitude earthquake off Kamchatka is expected to reach Northern California by 2:50 AM ET and reach the San Francisco Bay around 3:40 AM ET. Southern California, including Los Angeles, is expected to take a hit at around 4 AM ET.

Read More: Did Oprah Winfrey refuse to open private Maui road during Hawaii tsunami evacuation? Backlash grows

"Tsunamis typically arrive as a series of waves, which can be dangerous for many hours after the first wave," the weather service warned.

Alaska's western Aleutian Islands already took the first hit. Southeast Alaska is expected to see the arrival of the tsunami around 12:45 AM-1:55 AM ET.

  • Yash Nitish Bajaj
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    Yash Nitish Bajaj

    Yash Bajaj is a Chief Content Producer with a strong foundation in US coverage, digital strategy, and audience-focused storytelling. As part of the US Desk at Hindustan Times, he covers a wide range of topics - from American politics to sports (NFL, NBA, derbies, MLB and more). Before joining Hindustan Times, Yash served as Deputy News Editor at Times Now, where he oversaw international coverage and led a team of six. In this role, he significantly expanded global traffic through strategic planning, SEO-driven content execution, and meticulous trend tracking across platforms. He is experienced in managing high-pressure breaking-news shifts, coordinating live coverage, and building newsroom systems that improve speed, accuracy, and reach. Prior to Times Now, Yash held a position at Opoyi, where he headed the Sports and US news team. He developed broad editorial strategies, guided reporters across multiple beats, and played a key role in recruiting and training new talent. His responsibilities also extended to social media management and experimenting with innovative content formats. A passionate NFL fan, Yash is a die-hard supporter of the Cincinnati Bengals and has followed Joe Burrow closely since his college days at LSU. Whether breaking down top players' latest performance, analyzing team performances, or tracking roster moves, he brings the same dedication and sharp storytelling to his sports coverage as he does to American politics and breaking news. When he’s not writing, Yash can often be found watching games or debating the latest NFL storylines with fellow fans. Yash holds a Bachelor of Mass Media (Journalism) from HR College, Mumbai University. His interests extend well beyond the newsroom: he is an enthusiastic explorer of AI tools, a movie buff with an ever-growing watchlist, and someone who enjoys unraveling conspiracy theories for fun.Read More

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