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EARTH'S ROTATION SLOWING DOWN in 2014, 2015, 2016, and Now 2017.

Science & Tech  (tags: world, news )

- 333 days ago -
A new story based on a fascinating scientific paper is making headlines all over the news: the slowing rotation of the Earth.


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Dot A (182)
Wednesday November 22, 2017, 9:01 am
- from the article - interesting scientific research -
This slowdown was observed in 2014, 2015, 2016, and now 2017. If 2018 is the 5th year of the slowdown, and if this pattern holds, we'll expect 2018 to be a year rife with a large number of significant earthquakes. If this hypothesis is correct, it would herald a momentous advance in the field of geology and geophysics, as the ability to predict earthquakes in any important way has eluded us for a very long time.

However, there are many reasons to be skeptical. The connection between the changes in the magnetic field and Earth's periodic slowing down appears to be correlative, but no causal link has been established. We are not certain that this mechanism is real. We've also only had approximately four years since 1900 that display this excess of earthquakes, and to predict that 2018 will be the fifth requires a rather large leap-of-faith. Finally, 2017 has only exhibited seven earthquakes of magnitude 7.0 or higher: well below the 15-20 average. Statistical fluctuations are large, and even if we get 25-30 earthquakes next year, that doesn't necessarily mean that the Earth's slowing rotation caused it.
* * *
Over long enough times, the Moon is the only dominant factor in slowing down the spinning Earth, as our 24 hour day is relatively recent, and won't be around forever. But the fact remains that we do have years that are more dangerous for earthquakes than others, and we don't have either a good explanation as to why or a good way to predict when those years will occur. If this new study is correct, not only will we have taken a giant leap towards doing both, but we'll have some substantial evidence to support this theory just 12 months from now. It's a tremendously exciting time for science.

Past Member (0)
Wednesday November 22, 2017, 9:17 am
this is scaring...

Doris F (18)
Wednesday November 22, 2017, 12:14 pm
not exactly reassuring,tyfs Dot

Colleen L (3)
Wednesday November 22, 2017, 1:13 pm
Scary. Thanks Dot

Animae C (507)
Wednesday November 22, 2017, 2:24 pm
"Earth's Rotation IS Slowing Down.
But More Earthquakes? That's A Hypothesis, Not A Fact"

"We are not certain that this mechanism is real."

And i should be worried because?

Janis K (126)
Wednesday November 22, 2017, 8:11 pm
Thanks for sharing.

Danuta W (1251)
Thursday November 23, 2017, 3:39 am

Past Member (0)
Thursday November 23, 2017, 8:19 am
Cosmic events affecting this planet...and I'm sure others...have been happening throughout the millenia...and yet here we are...with NATURAL disasters striking with regularity.

TOM T (248)
Thursday November 23, 2017, 9:59 am
Interesting ... Thanks for the Info
Thank You 4 Sharing .....
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