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These Maps Reveal How Vulnerable Your State Is To Earthquakes – IFLScience

If you are concerned about earthquakes in the United States, you are in luck. The United States Geological Survey (USG) has recently published a map that shows which areas in the country are at the highest risk of experiencing an earthquake. The two areas with the highest risk are the San Andreas Fault line along the California coast and the New Madrid Seismic Zone that sits in between Indiana, Tennessee, Kentucky, and Missouri.

Key Takeaways:

  • These maps are based around a timeline of 50 years. They depict the probability that the PGA values of each area will be matched within each time zone.
  • The third type of quake is artificially generated by fracking, wherein highly pressurized water is pumped into the ground in order to unleash pockets of natural gas.
  • Finally, along the eastern seaboard, parts of the upper mantle are thinning out and collapsing off into the lower mantle as they age.

“These maps are based around a timeline of 50 years. They depict the probability that the PGA values of each area will be matched within each time zone.”

http://www.iflscience.com/environment/maps-vulnerable-state-earthquakes/