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Japan tsunami alert issued following powerful earthquake off northern coast – follow latest
A magnitude 7.4 earthquake struck off the Sanriku coast in northern Japan, prompting a tsunami alert from the Japan Meteorological Agency. NHK warned of potential waves up to 3 meters.
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15- First seen
- Apr 20, 2026, 7:27 PM
- Last updated
- Apr 20, 2026, 8:02 PM
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Japan tsunami alert issued following powerful earthquake off northern coast – follow latest is currently shaped by signals from 1 source platforms. This page organizes AI analysis summaries, 1 timeline events, and 15 relationship edges so search engines and AI systems can understand the topic's factual basis and propagation arc.
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5 tagsearthquaketsunami alertmagnitude 7.4northern Japan coasttsunami waves
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1 evidence itemsJapan tsunami alert issued following powerful earthquake off northern coast – follow latest
News · 1Apr 20, 2026, 7:27 PMOpen original source
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Japan tsunami alert issued following powerful earthquake off northern coast – follow latest
Apr 20, 2026, 7:27 PM
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