[Image from Express
This is getting out of control.
(CNN)Seismic activity was detected Saturday near the site of North Korea's Punggye-ri nuclear site, but it is not known whether a nuclear test caused the development.
The first sign Pyongyang has conducted a nuclear test is usually seismic activity. North Korea has one nuclear test site -- Punggye-ri.
A magnitude 3.5 earthquake struck at 4:29 a.m. ET Saturday 22 kilometers (more than 13 miles) east-northeast of Sungjibaegam, North Korea, the US Geological Survey said. The depth of the earthquake was 5 kilometers (3.1 miles).
[Fake News Source](http://www.cnn.com/2017/09/23/asia/north-korea-seismic-activity/index.html)