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Event Brief

Magnitude 5.9 earthquake rattles Tokyo and eastern Kanto

A magnitude 5.9 earthquake shook Tokyo and Japan’s eastern Kanto region. Shaking registered lower 5 on Japan’s seven-point seismic scale, and there was no risk of a tsunami.
WHO: Japan Meteorological Agency
WHAT: A magnitude 5.9 earthquake shook Tokyo and the eastern Kanto region; shaking reached lower 5 on Japan’s seven-point seismic scale and no tsunami risk was reported.
WHEN: Reported Aug 22, 2026 at 1:24 PM ET
WHERE: Japan
WHY: Cause not yet established.
How this story developed (showing 2 of 2 earlier reports)

Reporting from 3 identified publishers across this event arc.

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Publishers represented across this event arc

These publishers contributed reporting to the broader event history. Not every source addresses the specific development described above.

How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.

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