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Health & Science1d 11h ago
A team led by Sunyoung Park published a paper in Science explaining that a seismic wave from the 2011 Tohoku-Oki earthquake caused a 5-6 millimeter eastward displacement across Japan.
Japan
Who
Sunyoung Park, University of Chicago, Science
What
A team led by Sunyoung Park published a paper in Science explaining that a seismic wave from the 2011 Tohoku-Oki earthquake caused a 5-6 millimeter eastward displacement across Japan.
When
Thu, 18 Jun 2026 00:00:00 GMT · 1d 11h ago
Where
Japan ·
Why
The displacement was caused by an ScS wave that traveled to Earth's outer core, reflected, and returned to the surface with sufficient energy to trigger small slip events along Japan's tectonic plate boundaries.
The Frontline Impact
How this affects you
This finding suggests that the influence of the largest earthquakes may extend much further and through deeper geological pathways than previously understood, representing a previously unrecognised source of seismic hazard.
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