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Waves reflecting off Earth's core shifted Japan after 2011 earthquake

An extremely unusual tectonic movement took place 15 minutes after the Tohoku earthquake in 2011, causing almost the whole of Japan to move 5 millimetres to the east

Raccontata danewscientist.comsciencealert.comgizmodo.comscientificamerican.comindependent.co.ukeconomictimes.indiatimes.com

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newscientist.com7 g fa

Almost the whole of Japan moved eastward after 2011 earthquake

The 2011 Tohoku earthquake caused a 5mm eastward shift across 3,000km of Japan 15 minutes post-quake via core-reflected seismic waves. Delayed secondary propagation across vast zones challenges disaster recovery planning for critical infrastructure in active seismic regions.

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independent.co.uk6 g fa

How Japan’s devastating 2011 earthquake ‘moved the country further east’

Japan's 2011 magnitude-9 earthquake shifted the country 5-6mm eastward through seismic shear waves triggering a multiplate slip event. The slip displayed the broadest rupture area ever documented (6-7 times larger than the mainshock), exposing a previously unknown seismic hazard with ground motion occurring minutes after the main shaking.

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gizmodo.com7 g fa

Massive Tohoku Earthquake Sent a Seismic Wave That Shifted All of Japan

Researchers discovered an unusual, nationwide shift when examining GPS records of the Tohoku earthquake.

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economictimes.indiatimes.com4 g fa

In 2011, when Japan was rocked by 9.0 Tohoku earthquake, something strange happened 15 minutes later;…

A new study reveals the 2011 Tohoku earthquake triggered an extraordinary event deep within Earth. Seismic energy traveled to the outer core and bounced back, causing a massive, slow-moving slip along tectonic plate…

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scientificamerican.com7 g fa

An earthquake hit Japan so hard it made the entire country move

This “extraordinary” event was likely caused by seismic waves bouncing off Earth’s core, researchers found

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sciencealert.com7 g fa

A Giant Seismic Wave Bounced Off Earth's Core And May Have Shifted Japan

When the magnitude 9.0 Tōhoku earthquake struck off the coast of Japan in 2011, its seismic shivers did more than ripple through the planet.

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Timeline cronologica

1. giovedì 18 giugno 2026·newscientist.com
   

   Waves reflecting off Earth's core shifted Japan after 2011 earthquake

   An extremely unusual tectonic movement took place 15 minutes after the Tohoku earthquake in 2011, causing almost the whole of Japan to move 5 millimetres to the east

2. giovedì 18 giugno 2026·sciencealert.com
   

   A Giant Seismic Wave Bounced Off Earth's Core And May Have Shifted Japan

   When the magnitude 9.0 Tōhoku earthquake struck off the coast of Japan in 2011, its seismic shivers did more than ripple through the planet.

3. giovedì 18 giugno 2026·newscientist.com
   

   Almost the whole of Japan moved eastward after 2011 earthquake

   An extremely unusual tectonic movement took place 15 minutes after the Tohoku earthquake in 2011, causing almost the whole of Japan to move 5 millimetres to the east

4. giovedì 18 giugno 2026·gizmodo.com
   

   Massive Tohoku Earthquake Sent a Seismic Wave That Shifted All of Japan

   Researchers discovered an unusual, nationwide shift when examining GPS records of the Tohoku earthquake.

5. giovedì 18 giugno 2026·scientificamerican.com
   

   An earthquake hit Japan so hard it made the entire country move

   This “extraordinary” event was likely caused by seismic waves bouncing off Earth’s core, researchers found

6. venerdì 19 giugno 2026·independent.co.uk
   

   Powerful 2011 Japan earthquake may have moved whole country East

   Findings point to previously unknown earthquake hazard

7. venerdì 19 giugno 2026·independent.co.uk
   

   How Japan’s devastating 2011 earthquake ‘moved the country further east’

   Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or…

8. domenica 21 giugno 2026·economictimes.indiatimes.com
   

   In 2011, when Japan was rocked by 9.0 Tohoku earthquake, something strange happened 15 minutes later; scientists missed this deep-Earth…

   A new study reveals the 2011 Tohoku earthquake triggered an extraordinary event deep within Earth. Seismic energy traveled to the outer core and bounced back, causing a massive,…