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Haley Ott is the International News themezone Digital reporter, based in the London Office of News themezone.

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Degraded tsunami warning in Hawaii

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Hawai Hawai’s Hawaii Tsunami’s warning was reduced to a notice after the earthquake in Russia 02:32

An 8.8 magnitude earthquake, one of the strongest ever registered, hit the distant east of Russia early on Wednesday, which caused Tsunami warnings in coastal villages in multiple countries.

The earthquake was “in what we call the Pacific Fire Ring. This is a region around the entire edge of the Pacific famous for significant earthquakes,” said Simon Boxall, a professor of oceanography at the University of Southampton, to The News.

“The Earth is composed of this type of geology plates, these geophysical plaques and the land where these plates are rubbed, where they join, we have accumulated tensions, and then, from time to time, we obtain a sudden release of pressure and part of the flow of seabed,” Boxall said. “And so is that flip that causes tsunami. And not all turns, not all earthquakes will generate them.”

After the 8.8 magnitude earthquake, part of the city of Severo-Kurilsk was flooded
An aerial view of the city of Severo-Kurilsk was flooded due to the Tsunami caused by the magnitude earthquake 8.8 hit the Kamchatka Peninsula of Russia on July 30, 2025. Kamchatka from Geophysical Survey/Anadolu through Getty Images

Boxal said that the tsunami generated by this earthquake was “not enormous. It is not one that causes massive devastation. But it will cause coastal floods and cause damage and puts lives at risk if people do not move in high field.”

Two earthquakes of magnitude 9.1: Tohoku’s earthquake in 2011 in Japan and the 2004 Sumatra earthquake In Indonesia, it caused massive tsunamis that killed thousands of people.

The scientist of the Grace Sethanant earthquake said there was a reason why these tremors caused much more devastating tsunamis than Wednesday’s earthquake.

While an earthquake of magnitude 9.1 “It may seem so far from magnitude 8.8 … in terms of energy, it is three times stronger,” Sethanant said.

“Imagine that 8.8 is, as long as a rock drops into the lake, and you see the waves. That is energy,” Sethanant said. “Imagine that you have that rock as three times larger. So, in terms of the magnitude of the earthquake movement, the energy of the earthquakes of 2011 and 2004 in Sumatra and Japan, it is actually three to four times larger … and that is why the tsunamis in those events were much more devastating.”

The Tsunami warning coordinator of the Tsunami National Center, Dave Snider, said tsunamis should be considered more as “oceanic floods” than waves.

“The most important thing to understand about a tsunami is that it is not a surf wave, it is not a wave of wind,” Snider said. “A tsunami is the entire column of the ocean that is being raised above that high tide level there due to that extreme movement of the earth’s crust with the earthquake there, so this is a significant planetary event that we just witnessed.”

  • Tsunami warning
  • Russia
  • Hawaii
  • Tsunami
  • Japan

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Haley Ott is the International News themezone Digital reporter, based in the London Office of News themezone.

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