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Strong earthquake hits off Japan’s coast, tsunami warning issued

Authorities ordered evacuations for more than 128,000 residents as waves of up to 3 meters were forecast, while transport services were suspended and nuclear plants checked.

  • On Monday at 4:53 p.m., a 7.5 magnitude earthquake struck off Sanriku, prompting the Japan Meteorological Agency to issue tsunami warnings for Iwate, Aomori, and Hokkaido.
  • Authorities ordered evacuation of nearly 172,000 residents as a precaution. Japan, situated along the Pacific 'Ring of Fire,' experiences around 1,500 earthquakes annually, making such tremors routine in the region.
  • Prime Minister Sanae Takaichi urged residents to "seek higher ground" as authorities halted Shinkansen bullet train services; nuclear regulators confirmed no abnormalities at idled facilities.
  • Tsunami waves measuring 80cm hit Kuji Port within an hour of the quake. Officials downgraded warnings to advisories by late evening, reporting no major injuries or significant damage.
  • The Cabinet Office issued a 1% chance advisory for a potential 'megaquake' in the next week, emphasizing this remains a precaution while urging residents to maintain preparedness.
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Japanese authorities issued tsunami warnings and evacuation orders for coastal areas as the first waves reached ports in northeastern Japan.

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An earthquake of 7.5 magnitude off Japan's northeast coast triggered a tsunami warning. Experts warn of possible aftershocks. "The risk of further, even stronger earthquakes persists," says Louis Polczynski, the world's scientific editor.

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TOKYO.- An earthquake that recorded a preliminary magnitude of 7.7 in front of northern Japan on Monday triggered a short-term tsunami alert and warning of a slightly greater risk of a possible megate-remoto for coastal areas there. The Cabinet Office and the Japan Meteorological Agency indicated that there is a 1% probability of a megate-remoto, compared to a 0.1% probability during normal times, approximately in the next week following the str…

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Telemundo Utah broke the news on Monday, April 20, 2026.
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