North Korea's nuclear tests have woken dormant faults beneath Mount Mantap, study finds
Researchers tracked 1,399 earthquakes at the Punggye-ri test site between 2008 and 2025, with magnitudes rising from around 1.0 to above 3.0 in recent years. The growing seismic signal, they warn, could make it harder to tell future nuclear explosions apart from natural earthquakes.
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