Back to today’s briefing

Story perspectives

Japan Hit by 7.5 Magnitude Quake, Tsunami Warnings Issued

4/20/2026

23 4 Full Breakdown

Summary

Story summary

A magnitude 7.5 earthquake struck off northern Japan on April 20, 2026, at 4:53 PM local time, triggering tsunami warnings for waves up to 3 meters.
The Japan Meteorological Agency reported an 80-centimeter tsunami at Kuji port and said the quake was felt near Tokyo.
Prime Minister Sanae Takaichi announced a crisis management team, and authorities halted train services in Aomori while residents were urged to stay in safe locations.

History

Historical Context

The Great Kanto Earthquake struck Japan on September 1, 1923, killing over 142,000 people and destroying much of Tokyo and Yokohama. In response, the Japanese government established improved disaster protocols, including the Japan Meteorological Agency. This legacy of disaster preparedness continues today, as seen in the 2026 earthquake response led by Prime Minister Sanae Takaichi, highlighting Japan's ongoing challenges with seismic activity.

1 of 2

Story summary

A magnitude 7.5 earthquake struck off northern Japan on April 20, 2026, at 4:53 PM local time, triggering tsunami warnings for waves up to 3 meters.
The Japan Meteorological Agency reported an 80-centimeter tsunami at Kuji port and said the quake was felt near Tokyo.
Prime Minister Sanae Takaichi announced a crisis management team, and authorities halted train services in Aomori while residents were urged to stay in safe locations.

1 / 2