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By contrast, seismicity near the Punggye-ri nuclear test site at Mt. Mantap in the Democratic People\u2019s Republic of Korea has persisted and intensified for years after the final large-yield explosion in 2017, evolving from diffuse activity to spatially organized distribution along fault-controlled structures. Analysis of 17 years of continuous waveform data reveals a progressive increase in seismicity and delayed reactivation of shallow faults. Earthquakes cluster beneath asymmetric topography, indicating progressive stress redistribution within a critically stressed crustal volume. 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