Event Brief
UPDATED May 15, 2026 at 9:09 AM ET
May 15, 2026 at 8:06 AM ET
Magnitude 6.3 earthquake hits northern Japan
By The BriefBrief
A magnitude 6.3 earthquake struck off the coast of Miyagi prefecture, and no tsunami warning was issued.
WHO: Japan Meteorological Agency
WHAT: A magnitude 6.3 earthquake struck off the coast of Miyagi prefecture; no tsunami warning was issued.
WHEN: May 15, 2026 at 7:38 AM ET
WHERE: Miyagi prefecture, Japan
WHY: No tsunami warning was issued.
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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