North Korea conducted its sixth and most powerful nuclear test at Punggye-ri, causing a magnitude-6.3 earthquake.

2017 North Korean nuclear test

North Korea conducted its sixth nuclear test on 3 September 2017, stating it had tested a thermonuclear weapon. The United States Geological Survey reported an earthquake of 6.3 magnitude not far from North Korea's Punggye-ri nuclear test site. South Korean authorities said the…

Punggye-ri Nuclear Test Site

North Korean nuclear test site

Punggye-ri Nuclear Test Site was the only known nuclear test site of North Korea. Nuclear tests were conducted at the site in October 2006, May 2009, February 2013, January 2016, September 2016, and September 2017.