Fluctuations in the Earth's rotation are tiny, changing the length of the day by several milliseconds, but these minute changes could be enough to release vast amounts of underground energy, the two scientists said. Scientists Roger Bilham of the University of Colorado at Boulder and Rebecca Bendick of the University of Montana in Missoula conducted a study that found there have been five periods when larger earthquakes were significantly more frequent than at other times.
For the study, Bilham and Bendick analyzed the earthquakes of magnitude seven and above that had occurred since 1900. For those years, there were about 25 to 30 intense earthquakes, compared to the average number of about 15 major earthquakes for the other years.
Slight changes in the behaviour of the Earth's core may be responsible for this effect, according to the scientists. The number should be expected to increase next year, possibly up to 20, before going further in the years that follow. All it takes is a little nudge to upset the world's balance, and 2018 looks set to be a very unbalanced year indeed.
The scientists can't explain for sure how the slower rotations led to more severe earthquakes yet.
Bilham, in conversation with the Observer last week, said there is a strong correlation between the earth's rotation and seismic activity. Two geophysicists have warned that there could be a rise in the number of high magnitude Earthquakes next year.
"[The Americans' paper] sounds like we will get a jump from six to 20 large earthquakes per year". Their prediction is based on the periodic slowdown in Earth's speed of rotation around its axis, which minimizes daylight. "So in four or five years we'll know whether this is right or not". However, they do suggest that changes in the Earth's core could be to blame.
For context, seasonal changes like El Niño have been shown to affect the Earth's rotation, while massive earthquakes can cause shifts in the planet's axial tilt, according to NASA. Earthquakes occur on the crust, but the crust floats on the mantle.
The researchers stressed that it is certainly hard to predict where the extra earthquakes will occur.
The year 2018 might bring in some bad news for billions of people around the world.
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Today expect a little patchy morning fog, then mostly sunny skies and highs near 67.and south winds around 5 miles per hour . Showers will taper temporarily in the afternoon but there is potential for some showers in the evening to be heavy at times.
Mark Ingram scored the only touchdown for the Saints in the first half, on a 36-yard run, tying the game at 10-10. The Redskins quickly took advantage of the turnover, converting a 38-yard field goal for a 3-0 lead.
He said the ministers are supporting the raid because they are afraid that the IT officials would raid their houses too. This raid is being carried out to defame Amma and was done with the cooperation of the family of Sasikala", she said.
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