The DEFCON Warning System™

Ongoing GeoIntel and Analysis in the theater of nuclear war.  DEFCON Level assessment issued for public notification.  Established 1984.

Why Is North Korea Shutting Down Its Nuclear Test Site?

Last week, North Korea announced that it will cease all nuclear testing and will shut down its main testing facility at Mount Mantap. Although some believe the decision came because of easing tensions between the country and the world, others think Mount Mantap may have come down with a bad case of “tired mountain syndrome.”

But what exactly is tired mountain syndrome, and how does a mountain “catch” it?

 It turns out that repeated nuclear blasts can weaken the rock around underground nuclear test sites, eventually making them unsafe or unusable — which might have happened with North Korea’s preferred testing grounds.

The hermit country’s latest nuclear test, conducted in September 2017 at Punggye-ri, was at least 17 times more powerful than the bomb that was dropped on Hiroshima, Japan, in 1945, according to The Washington Post.

In fact, the explosion registered as a magnitude-6.3 earthquake, and before-and-after satellite shots showed visible movement at Mount Mantap — a 7,200-foot-high (2,200 meters) mountain under which deeply buried tunnels house most of the tests. Some geologists think that the mountain is cracking under the pressure.

 

 

Read more at Live Science

Ongoing Geointel and Analysis in the theater of nuclear war.

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The DEFCON Warning System is a private intelligence organization which has monitored and assessed nuclear threats by national entities since 1984. It is not affiliated with any government agency and does not represent the alert status of any military branch. The public should make their own evaluations and not rely on the DEFCON Warning System for any strategic planning. At all times, citizens are urged to learn what steps to take in the event of a nuclear attack.