North Korea’s Underground Nuclear Tests Are Reactivating Dormant Earthquake Fault Lines
The Democratic People’s Republic of Korea has conducted at least six major underground nuclear weapons tests at its secretive Punggye-ri facility beneath Mount Mantap within the nation’s coastal North Hamgyong Province. Back in September 2017, American seismologists with the U.S. Geological Survey (USGS) registered the final of these as a 6.3-magnitude earthquake-like event after DPRK scientists detonated their test bomb—but the aftershocks and quakes have reverberated onward into the present day.
- ▪The Democratic People’s Republic of Korea has conducted at least six major underground nuclear weapons tests at its secretive Punggye-ri facility beneath Mount Mantap within the nation’s coastal North Hamgyong Province.
- ▪Back in September 2017, American seismologists with the U.S.
- ▪Geological Survey (USGS) registered the final of these as a 6.3-magnitude earthquake-like event after DPRK scientists detonated their test bomb—but the aftershocks and quakes have reverberated onward into the present day.
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| Original publisher | Gizmodo |
| Canonical URL | https://gizmodo.com/north-koreas-underground-nuclear-tests-are-reactivating-dormant-earthquake-fault-lines-2000813481 |
| Publication time | Thu, 17 Sep 2026 20:50:14 +0000 |
| Retrieval time | 2026-09-17T20:53:44.355Z |
| Last seen | 2026-09-17T20:53:44.355Z |
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Opening excerpt (first ~120 words) tap to expand
The Democratic People’s Republic of Korea has conducted at least six major underground nuclear weapons tests at its secretive Punggye-ri facility beneath Mount Mantap within the nation’s coastal North Hamgyong Province. Back in September 2017, American seismologists with the U.S. Geological Survey (USGS) registered the final of these as a 6.3-magnitude earthquake-like event after DPRK scientists detonated their test bomb—but the aftershocks and quakes have reverberated onward into the present day. A coalition across three of China’s research universities and the nation’s China Earthquake Administration (CEA) have now traced revived earthquake activity along several once quiet faultlines surrounding Mantap.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Gizmodo.
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