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Increased-Earthquake_Activity-Globally-2018-Earth-Rotation-Slowing

Increase in Large Earthquakes Expected Globally in 2018 as Earth’s Rotation Slows




Editor’s comments: There is no mention of volcanic activity being affected by this ‘slowing of Earth’s rotation’ but we can logically conclude they could be affected by this increased seismic activity.

The scientists said they have a rough idea where may be most affected (areas closer to the equator) but they did say they can’t be absolutely sure, one of my first thought was what if this were to happen near one of the super volcanoes such as Yellowstone, that would NOT be good!

As well as the above mentioned risk of increased volcanic activity which they did not mention, I would imagine there would also be an increased risk of tsunami events as a result of the large quakes (depending on if they occurred on or near bodies of water of course).

Looks like we could be in for a bumpy ride in 2018.

via The Guardian UK:

Scientists say number of severe quakes is likely to rise strongly next year because of a periodic slowing of the Earth’s rotation

Scientists have warned there could be a big increase in numbers of devastating earthquakes around the world next year. They believe variations in the speed of Earth’s rotation could trigger intense seismic activity, particularly in heavily populated tropical regions.

Although such fluctuations in rotation are small – changing the length of the day by a millisecond – they could still be implicated in the release of vast amounts of underground energy, it is argued.

The link between Earth’s rotation and seismic activity was highlighted last month in a paper by Roger Bilham of the University of Colorado in Boulder and Rebecca Bendick of the University of Montana in Missoula presented at the annual meeting of the Geological Society of America.

“The correlation between Earth’s rotation and earthquake activity is strong and suggests there is going to be an increase in numbers of intense earthquakes next year,” Bilham told the Observer last week.

In their study, Bilham and Bendick looked at earthquakes of magnitude 7 and greater that had occurred since 1900. “Major earthquakes have been well recorded for more than a century and that gives us a good record to study,” said Bilham.

They found five periods when there had been significantly higher numbers of large earthquakes compared with other times. “In these periods, there were between 25 to 30 intense earthquakes a year,” said Bilham. “The rest of the time the average figure was around 15 major earthquakes a year.”

The researchers searched to find correlations between these periods of intense seismic activity and other factors and discovered that when Earth’s rotation decreased slightly it was followed by periods of increased numbers of intense earthquakes. “The rotation of the Earth does change slightly – by a millisecond a day sometimes – and that can be measured very accurately by atomic clocks,” said Bilham.

Bilham and Bendick found that there had been periods of around five years when Earth’s rotation slowed by such an amount several times over the past century and a half. Crucially, these periods were followed by periods when the numbers of intense earthquakes increased.

“It is straightforward,” said Bilham. “The Earth is offering us a five-year heads-up on future earthquakes.”

This link is particularly important because Earth’s rotation began one of its periodic slowdowns more than four years ago. “The inference is clear,” said Bilham. “Next year we should see a significant increase in numbers of severe earthquakes. We have had it easy this year. So far we have only had about six severe earthquakes. We could easily have 20 a year starting in 2018.”

Exactly why decreases in day length should be linked to earthquakes is unclear although scientists suspect that slight changes in the behaviour of Earth’s core could be causing both effects.

In addition, it is difficult to predict where these extra earthquakes will occur – although Bilham said they found that most of the intense earthquakes that responded to changes in day length seemed to occur near the equator. About one billion people live in the Earth’s tropical regions.

Robin McKie
The Guardian UK


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Comments

  1. PlanetXConspiracy says:

    First off the Earths rotation does not cause earthquakes let’s get that out of the way now….Secondly in one of the few articles thats posted here this one does have some truth to it, yes the Earth’s rotation is slowing….Can it be used to forecast earthquakes?

    http://temblor.net/earthquake-insights/can-changes-in-earths-rotation-be-used-to-forecast-earthquakes-5642/

    • stargazer says:

      OMG, you must have gotten a F in reading & comprehension AND/OR AGAIN you did not read the article, the question you posed is what the article is all about and it is research done by scientist and that is the theory they posed READ and THINK not just read but READ, READ AND THINK before you for reply with utter garbage nonsense!!

  2. stargazer says:

    @PlanetXConspiracy,

    You really need to know what you’re talking about before you try to tell people how it IS. I’ve blocked you before because you insist on creating your own version of reality and facts and try to sound like you know what you’re talking about. BTW, posting a link in attempt to support your version of what you read and understand doesn’t meant what you said is correct. Majority of the time your comments prove either you did NOT read the article properly/fully that you’re commenting on and/or your reading comprehension is not up to par for someone who wants to go around ‘correcting’ everything in sight! Please, this is the very last time I’ll ask you nicely, READ, DIGEST, ANALYZE what you’ve read without bias, then after you think you’ve FULLY understood what you’ve read THEN try to post a comment and ONLY if you’re sure you know what you’re talking about! Last warning. DO NOT POST false statements as if you know what you’re talking about!

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