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DIsaster in waiting -- San Andreas Fault

Updated on February 4, 2008

San Andreas Fault that has produced few disastrous earthquakes is another name of devastation. The parallel fault spells doom for the California region.

San Andreas Fault is a strike-slip fault that divides California into two portions one moving northwestwards another going southwestwards because of plate tectonics taking place inside the earth. Running through the San Andreas Valley extending from San Francisco south to San Diego in California, this geologic fault results in frequent earthquakes triggered by plates sliding past each other. The action places California in one of the most seismically fragile zones of the earth.

The endogenetic forces inside the earth trigger the plate movement that causes the western portion of California on the Pacific plate to travel northwest, whereas the eastern side on the North American plate slides past it in southwest direction. This sliding past each other produces tremors. As for now, it was surmised by the geologists that diastrophic movements beneath the area can result in earthquakes, but now with the progress in science recording open cracks, they warn that the area is one of the most vulnerable to frequent and intense tremors that can bring gradation in the area and around.

The whole story of plate tectonics is such that the world that once started from PANGEA, will one day again form the same, destroying and building the earth. But, don’t worry that’s not going to happen so early. It will take millions of billions of years for our earth to get back to PANGEA.

However, what is more threatening now is an imminent earthquake in the California region.


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      IMMINENT 7 years ago

      300 years ago South section of San Andreas. 150 years northern section. Alert! Alert! Alert! Be prepared know your surroundings at all times. Buy the basics to feed your family at least several days possibly weeks. Earthquake kits are great but only if you have it 99% of your day. Quakes don't have time frames so be careful. Those that live in Oregon, Washington and Canada's west coast should be vigilant I fear a correction coming...

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      Caution! 7 years ago

      8 on San Adreas is predicted for 9/03/10. By the 5th is also predicted. Sept. 19 is the end of date. So will it happen in this month? South will break salton sea then northern fault section will continue west to the Cascadia fault setting off S. F. and L. A. faults. Tsunami will fallow and possible Mt Ranier

    • profile image

      cheesepuff 8 years ago


    • ratnaveera profile image

      ratnaveera 10 years ago from Cumbum

      Great hub and nice aerial photo. Dear Neet, Please visit my Niagara Falls hub and put your comments.

    • compu-smart profile image

      Compu-Smart 10 years ago from London UK


      I live in the UK and compared to many other countrys that suffer from natural disasters like Earthquakes, tornados, floods,etc im very fortuate n i hope this hub will make more people wiser and aware.

    • bhalla_neet profile image

      Ravneet 10 years ago from Delhi

      Its no game.Its smething to get serious about.Isn't it?

      Thanks to you Mr Marmalade for the acknowledgment.

    • MrMarmalade profile image

      MrMarmalade 10 years ago from Sydney

      I have read of this fault many times and you have put it very graphically

      Thank you

    • compu-smart profile image

      Compu-Smart 10 years ago from London UK

      I thought this hub was about a driving game!! Im a little more wiser today;)