Event Brief
Jul 23, 2026 at 4:10 AM ET
Study finds Nankai Trough locked zone changes over time
By The BriefBrief
A Japanese study says the Nankai Trough locked zone is not permanent and shifts, complicating megaquake forecasts.
WHO: Japanese study reported by Mainichi newspaper
WHAT: The locked zone in the Nankai Trough is found to change over time rather than remain permanent.
WHEN: Jul 23, 2026 at 3:46 AM ET
WHERE: Nankai Trough off Japan’s Pacific coast
WHY: Stress buildup and earthquake forecasting are complicated because the locked zone where plates lock is more fluid than previously believed.
Reporting from 1 identified publisher for this event.
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