Tokyo: Have North Korea’s nuclear tests become so big that they’ve altered the geological structure of the land?
Some analysts now see signs that Mount Mantap, the 2200-metre-high peak under which North Korea detonates its nuclear bombs, is suffering from “tired mountain syndrome”.
The mountain visibly shifted during the last nuclear test, an enormous detonation that was recorded as a 6.3-magnitude earthquake in North Korea’s northeast. Since then, the area, which is not known for natural seismic activity, has had three more quakes.
“What we are seeing from North Korea looks like some kind of stress in the…