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A tsunami warning has been issued for Iwate, Aomori, and Hokkaido following a 7.4 magnitude earthquake off the coast of Iwate Prefecture.

Public SafetyGeopoliticsApr 20, 2026score 0.272 posts · 0 replies across 2 instances
Multiple microblog posts report a strong earthquake off the coast of Iwate Prefecture, Japan, leading to tsunami warnings for Iwate, Aomori, and Hokkaido. The Japan Meteorological Agency has issued alerts due to the 7.4 to 7.5 magnitude quake, highlighting the potential for significant coastal impact.

Claims

A tsunami warning has been issued for Iwate, Aomori, and Hokkaido following a 7.4 magnitude earthquake off the coast of Iwate Prefecture.
Parent: Public SafetyEntity: Tsunami WarningImpact: negativeDate: Apr 20, 2026 - Apr 22, 2026Target: Tsunami warning issuance

Source posts

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https://www.alojapan.com/1477720/tsunami-warning-issued-off-iwate-hokkaido-and-aomori/ Tsunami warning issued off Iwate, Hokkaido and Aomori #asia #biz #Hokkaido #HokkaidoNews #Japan #JapanBroadcastingCorporation #news #nhk #NhkWorld #NHKWORLDPREMIUM #NhkWorldTv #NHKWorld #Nuclear #PublicBroadcaster #RadioJapan #tech #world #北海道 A strong earthquake has struck Northern Japan. Tsunami warning and advisory are in effect. The Japan Meteorological Agency says the magnitude 7.5 quake occurred off the coast of Sanriku, Iwate Prefectur
0 boosts · 0 favs · 0 replies · Apr 20, 2026
#asia#biz#hokkaido#hokkaidonews#japan#japanbroadcastingcorporation
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https://www.alojapan.com/1478399/japan-tsunami-warning-7-5-magnitude-earthquake-hits-iwate-hokkaido-aomori/ Japan Tsunami Warning: 7.5 magnitude earthquake hits Iwate, Hokkaido, Aomori #Hokkaido #HokkaidoNews #news #北海道 Japan Tsunami Warning: 7.5 magnitude earthquake hits Iwate, Hokkaido, Aomori A powerful earthquake with a preliminary magnitude of 7.4 struck off the coast of northern Japan on Monday afternoon prompting immediate tsunami warnings for the prefecture of Iwate, Hokkaido and Aomori. The Japan Meteorological Agency (JMA) issued the aler
0 boosts · 0 favs · 0 replies · Apr 22, 2026
#hokkaido#hokkaidonews#news#北海道
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https://www.alojapan.com/1478409/japan-earthquake-tsunami-warning-after-7-4-magnitude-quake-hits-iwate-and-hokkaido/ Japan earthquake tsunami warning after 7.4-magnitude quake hits Iwate and Hokkaido #Hokkaido #HokkaidoNews #news #weather #北海道 A tsunami warning has been issued after Japan was hit with a huge 7.4-magnitude earthquake, with 10ft waves expected to hit Iwate prefecture and parts of Hokkaido Abigail Hunt and Emma O’Neill Content Editor 09:34, 20 Apr 2026 (Image: Getty Images/MIXA) A tsunami warning has been issued after Japan was struck by a pow
0 boosts · 0 favs · 0 replies · Apr 22, 2026
#hokkaido#hokkaidonews#news#weather#北海道
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Powerful quake triggers tsunami warning for Iwate, Aomori and Hokkaido www.japantimes.co.jp/news/2026/04/20/japan/earthquake-tsunami-warning The tsunami warning was issued after a 7.4 magnitude earthquake struck off the coast of Iwate Prefecture.
0 boosts · 0 favs · 0 replies · Apr 20, 2026