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Wednesday, 9 July 2008

A megaquake to hit

Scared of earthquakes? Well, I am. They are so unpredictable and destructive. I still remember my first major earthquake-4.5. I barely understood it's an earthquake and it stopped. But the shock continued the whole day. I was just so impressed and horrified by the way the Earth simply moves, like we're nothing but a dust particles it's shaking off her.
Now I offer you an article I hunted down for you that suggest there must be another major earthquake like the one that killed more than 200 000 people few years ago. I didn't exactly enjoy it, but it's interesting.
And it reminds me of that book on Egypt that suggest the Pyramids were actually a power plant using seismological waves to generate energy. I wonder why nobody tried building one. It will be fun if not else...

Expect Another Tsunami Within 10 Yrs: Experts

24th April 2008, 01:35


The world should brace itself for another devastating tsunami within 10 years, say scientists.

Sometime during the next decade we can expect an earthquake of a similar magnitude to the 2004 Sumatra quake that triggered the Indian Ocean tidal wave which killed 225,000 people.

Dr Vladimir Kossobokov and colleagues have developed an algorithm to predict where and when such megaquakes will occur.

The researchers claim a global pattern emerges in the years before earthquakes of magnitude 9.0 or more, reports New Scientist.

For example the number of quakes caused by crustal movements between 186 and 435 miles below the surface rises - as does the incidence of those with a magnitude of 8.0 or more.

Dr Kossobokov points out the four largest quakes of the 20th century happened within only 12 years starting with the Kamchatka Peninsula quake in Russia in 1952 and culminating in the magnitude 9.2 quake in Prince William Sound, Alaska, in 1964.

Dr Kossobokov, of the International Institute of Earthquake Prediction Theory and Mathematical Geophysics in Moscow, said: "The chances of this happening randomly are less than 1 per cent."

Alarm bells should be ringing over the fact several quakes of magnitude 8.0 or stronger have happened in the past few years, say the researchers.

What's more all the deep seismic faults around the globe are showing signs of increased activity.

The algorithm shows these events are redistributing stress along faults putting five regions at risk - the Cascadia region in the west of the US and Canada, Chile and its neighbours, central America, the Himalayas in particular Kashmir and Sumatra and the Andaman Islands in the Indian Ocean.

Dr Kossobokov, who presented his findings at the European Geosciences Union annual meeting in Vienna, hopes the next megaquake will be the last of this bunch.

He said: "But history suggests that they are coming in numbers."

Copyright © 2008 National News +44(0)207 684 3000 source, see it in New Scientist too:

Megaquake set to strike within a decade

Sometime in the next 10 years we can expect an earthquake of a similar magnitude to the 2004 Sumatra quake that triggered the devastating Indian Ocean tsunami. So say Vladimir Kossobokov of the International Institute of Earthquake Prediction Theory and Mathematical Geophysics in Moscow, Russia, and colleagues, who have developed an algorithm to predict where and when such megaquakes will occur.

The team claims a global pattern emerges in the years before earthquakes of magnitude 9.0 or more. For example, the number of quakes caused by crustal movements between 300 and 700 kilometres below the surface rises, as does the incidence of those with a magnitude of 8.0 or more. Kossobokov points out that the four largest earthquakes of the 20th century happened within just 12 years, starting with the Kamchatka Peninsula quake in Russia in 1952, and culminating in the magnitude 9.2 quake in Prince William Sound, Alaska, in ...



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