Science
What happens below Earth’s surface when the most powerful earthquakes occur – Phys.org
At 03:34 local time on 27 February 2010, Chile was struck by one of the most powerful earthquakes in a century. The shock triggered a tsunami, which devastated…
At 03:34 local time on 27 February 2010, Chile was struck by one of the most powerful earthquakes in a century. The shock triggered a tsunami, which devastated coastal communities. The combined events killed more than 500 people. So powerful was the shaking that, by one NASA estimate, it shifted Earth’s axis of spin by a full 8 cm.
Like nearly all the of the most powerful earthquakes, this was a megathrust earthquake. These happen at subduction zones, places where one tectonic plate is forced under…
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