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Health & Science1d 11h ago
A team led by Sunyoung Park published a paper in Science on June 18, 2026, explaining a 5-6 millimetre eastward displacement across Japan approximately 15 minutes after the 2011 Tohoku-Oki earthquake.
Japan
Who
Sunyoung Park, assistant professor of geophysical sciences at the University of Chicago, and her team
What
A team led by Sunyoung Park published a paper in Science on June 18, 2026, explaining a 5-6 millimetre eastward displacement across Japan approximately 15 minutes after the 2011 Tohoku-Oki earthquake.
When
Thu, 18 Jun 2026 00:00:00 GMT · 1d 11h ago
Where
Japan ·
Why
The shift was caused by an ScS wave, generated by the earthquake, that travelled to the Earth's outer core, reflected, and returned to the surface with enough energy to trigger small additional slip on 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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