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Originally posted by tmar11
Everyone keeps saying that an earthquake moving the coast is SO rare...how do we know this? Seismologists, geologists, scientists in general don't know...we have only been studying earthquakes and such in depth for less than 200 years. We have no idea what has went on in the past, this could actually be extremely common with earthquakes with a large magnitude.
Originally posted by ArMaP
reply to post by thruthseek3r
That's easy, 0.657 seconds.
It will take 91 years and almost 4 months for a one minute difference, so I'm not worried about it.
PS: I may be wrong in my calculations.
Originally posted by thruthseek3r
Considering 1.8 microsecond less in every day how much day time will we loose in an entire year?
Originally posted by Erongaricuaro
reply to post by ArMaP
No one has seemed to catch my earlier reference to 1500 years except to think I was being smart-alec. I meant that to imply more. It is amazing we can measure the variances of our days with this kind of accuracy now.
This isn't the first time a massive earthquake has changed the length of Earth's day. Major temblors have shortened day length in the past.
The 8.8-magnitude earthquake in Chile last year also sped up the planet's rotation and shortened the day by 1.26 microseconds. The 9.1 Sumatra earthquake in 2004 shortened the day by 6.8 microseconds.
And the impact from Japan's 8.9-magnitude temblor may not be completely over.The weaker aftershocks may contribute tiny changes to day length as well.
Originally posted by Sahabi
What I find interesting is that Islam prophesied that during the last days the length of days would shorten.
I'm not saying to subscribe to Islam, I'm just attentive that the shortening of time is correlated with the "last days."
I don't mean to fear-monger. If one clears their conscious, and opens their heart to global love, forgiveness, and understanding then there is nothing to fear.
It's prophesied in the Bible too.
edit on 21-3-2011 by ahimsa because: I don't know how to quote just part of a post...edit on 21-3-2011 by ahimsa because: (no reason given)extra DIV
Note this is a calculation, not an observation. What it means is the day became shorter by 0.0000027 seconds (Great - I don't have enough time as it is!). It will take about 1,000 years for that to throw the earth out of sync with clocks by one second, and other things like tidal friction will have much greater effects.