Protect Your Bunker From Earthquakes
For surviving 2012, a bunker is your #1 bet. If you design it well, and locate it well, it is almost perfect:
- on a clear hill, with nothing that can fall on top of it
- far enough from the coast to be safe from the tallest tsunami
- deep enough in the ground to be safe from radiation
- sealed and filtered
- a safe distance from volcanoes
- hidden from humans
Possibly the hardest to protect yourself from is earthquakes, which can happen anywhere, and in a SHTF scenario could occur everywhere. Researchers might have found an effective, and maybe even cost-effective earthquake barrier:
Researchers say they have found a way to make buildings essentially invisible to earthquakes. If perfected, the technique could protect skyscrapers and homes alike from even the most devastating temblors.Earthquakes, sunlight, and radio all share a common factor: They propagate via waves. The only difference is that earthquake waves are so powerful–their energy can equal several nuclear bombs–that they literally shake apart rigid structures.
Researchers at Aix-Marseille Université in France and at the University of Liverpool in the U.K. have now developed a barrier that keeps buildings from feeling these waves. They took a cue from stealth aircraft, which employ combinations of specially shaped and fabricated materials that absorb radar signals and deflect them off course. For earthquakes, the concept is the same: Using computers, the team modeled a device composed of layered, concentric rings of plastic, copper, and four other materials of varying flexibility and stiffness–all designed to harmlessly deflect earthquake waves.
Basically a fence in the ground, made from easily obtainable materials. It’s a great concept for protecting buildings in earthquake-prone regions, but even more suited to bunker builders 
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If you are concerned about 2012 and other natural and man-made disasters, then you may want to consider one the ARC Bunkers (American Reassurance Communities) as a survival options.
Each ARC Bunker has more than 300,000 square feet of living space for up to 2500 people. An underground city with everything needed to operate a small underground town for up to 60 months off-grid power and food reserves.
Check out ARCBunkers.com for complete details and ideas about your own bunker.