Talk:2010 Chile earthquake

Length of day alteration
It would be helpful to include the reasons for the quake's alteration of the length of day. Quakes typically involve subduction of plates which sink because they have cooled and become denser than underlying material. Accordingly such events decrease the planet's moment of inertia, but are followed by quiet periods of warming the newly subducted material, and of cooling the newly raised material. This has the opposite effect on the moment of inertia, so that the net effect is zero.76.23.5.30 (talk)A G Foster May 1, 2010

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Chile earthquake altered Earth axis, shortened day
The Chile earthquake was so powerful that it likely shifted an Earth axis and shortened the length of a day, announced NASA.

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Incorrect damage reports
I live in Santiago (and experienced this earthquake). While someone may have said that 3 hospitals collapsed here, that is simply not true - it would have been a disaster if so. The Spanish language version of this article is much better - way more detailed - and doesn't mention hospitals collapsing - it gives the total dead in the metropolitan region as 38. Even one collapsed hospital would have killed more than that.

190.20.223.248 (talk) 00:06, 20 September 2017 (UTC)