Scientists monitoring Mount Mantap in North Korea have detected increased seismic activity at the site of past nuclear weapons testing. The underground facility, which hosted six nuclear detonations between 2006 and 2017, continues to experience tremors that raise concerns about structural stability. Experts warn that prolonged seismic movements could indicate potential geological instability or residual effects from previous nuclear tests conducted deep beneath the mountain's surface.

Summary auto-generated by AI from the original publisher's content. Editorial standards.