September 2016 North Korean nuclear test, Underground nuclear test site in Kilju County, North Korea.
Punggye-ri Nuclear Test Site is an underground facility in Kilju County where North Korea conducted its fifth nuclear detonation. The explosion registered at 5.3 magnitude with an estimated yield ranging from 10 to 30 kilotons.
The test site was activated on September 9, 2016, coinciding with the 68th anniversary of North Korea's founding. This detonation demonstrated the nation's advancing nuclear weapons development and technical capabilities.
The test reflected North Korea's military-first policy, emphasizing nuclear development as central to national identity despite international diplomatic pressures.
The site sits in a remote mountainous area and remains closed to public access. Seismic effects were detected by monitoring stations worldwide, triggering immediate emergency sessions of the UN Security Council.
Satellite imagery revealed structural changes within the mountain, including surface deformations and possible tunnel collapses beneath the test site. These observations helped experts assess the scale and depth of the explosion.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
