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Nuclear Testing

All articles tagged with #nuclear testing

Lingering quakes hint at long-term crustal memory at NK’s Punggye-ri site
science21 days ago

Lingering quakes hint at long-term crustal memory at NK’s Punggye-ri site

A Science study analyzing data from 2008–2025 finds a sustained rise in seismic activity around North Korea’s Punggye-ri nuclear test site, intensifying after the 2017 detonation. Most quakes are small (magnitude 2–3) and shallow, suggesting preexisting intraplate faults near Mount Mantap were reactivated and that the final test may have triggered long-lasting crustal instability. The finding could complicate long-term monitoring of underground tests, and while no new tests are confirmed, data limitations mean the true rate of seismicity could be higher.

via CNN|
#earthquakes#north-korea#nuclear-testing
Seismic Aftermath: NK's 2017 Nuclear Tests Triggered Years of Earthquakes
science22 days ago

Seismic Aftermath: NK's 2017 Nuclear Tests Triggered Years of Earthquakes

Scientists analyzing 2008–2025 seismic data found 1,399 small earthquakes linked to North Korea’s Punggye-ri underground tests (2006–2017), with activity increasing for years after the final blast as repeated detonations altered crustal stresses and triggered faults beneath Mount Mantap. They mapped two fault-like structures, suggesting the mountain’s geology created a long-lived framework for slip; a hypothetical single rupture could reach magnitude ~6.4, but causality isn’t proven and monitoring may need to extend far beyond the test period.

via ScienceAlert|
#earthquakes#mount-mantap#north-korea
Ex-minister accuses MoD of withholding nuclear-test veterans' medical records
politics1 month ago

Ex-minister accuses MoD of withholding nuclear-test veterans' medical records

Former defence minister Tobias Ellwood accuses the MoD of a deliberate cover-up, saying it hid medical records of Cold War nuclear-test veterans and misled Parliament about the programme; the MoD counters with a wide records review that produced five published reports and notes chaos from decentralised archives and secrecy. Veterans want access to blood and urine test data to prove health damage from exposure, and some documents may be declassified or released with redactions; about 25,000 people were involved in tests (1952–1967) across Australia and Pacific sites, a cohort whose alleged health problems remain a source of campaigning and calls for transparency.

via BBC|
#government#mod#nuclear-testing
Fast16: The 2005 cyberattack that sabotaged Iran's nuclear-test simulations alongside Stuxnet
technology4 months ago

Fast16: The 2005 cyberattack that sabotaged Iran's nuclear-test simulations alongside Stuxnet

Researchers confirm Fast16, a 2005 malware, was designed to subvert high-precision simulations used to model nuclear explosions by feeding engineers false data, aiming to slow Iran’s nuclear program. Unlike Stuxnet's centrifuge sabotage, Fast16 targeted simulation software (LS-DYNA and AUTODYN), potentially leaving misperceived results that delayed progress without triggering real-world explosions. Analysts say the code predates Stuxnet but operated contemporaneously, likely developed by the US, Israel, or allies to buy time in negotiations.

via zetter-zeroday.com|
#fast16#iran#malware
Trump Signals Push to Expand Nuclear Arsenal and Revisit Underground Testing
world8 months ago

Trump Signals Push to Expand Nuclear Arsenal and Revisit Underground Testing

With the New START treaty expired, the Trump administration is weighing expanding the U.S. nuclear arsenal and potentially resuming underground tests, including increasing missile loadouts on Ohio-class submarines, a move that could spur a new arms race or pressure Russia and China toward a fresh treaty, though specifics remain unclear.

via The New York Times|
#arms-control#new-start#nuclear-arms
Eight-Year Nuclear Test Pause Sets Record, but Global Stability Remains Fragile
world8 months ago

Eight-Year Nuclear Test Pause Sets Record, but Global Stability Remains Fragile

The world just marked the longest period since 1945 without a nuclear test—eight years, four months, and 11 days—signaling a historic pause in nuclear explosions. But experts warn the milestone is fragile: with Donald Trump and Vladimir Putin talking of resuming testing and START treaty limits expiring, momentum toward renewed tests could rise. Since 1945, about 2,055 tests have been conducted by eight nations, led by the United States, and while most testing halted in the 1990s, North Korea's 2017 test remains the latest. Some scientists note sub‑critical tests could continue without an explosion, complicating deterrence and accountability, while the CTBT remains unsigned by the U.S., leaving strategic risk unresolved.

via CNN|
#arms-control#global-security#north-korea
Russian Forces Intensify Battle for Strategic City of Pokrovsk
world11 months ago

Russian Forces Intensify Battle for Strategic City of Pokrovsk

Russian forces are intensifying their control over Pokrovsk in eastern Ukraine amid ongoing street fighting, while Moscow considers resuming nuclear testing in response to deteriorating relations with the US, which has not conducted a nuclear test since 1992. The battle for Pokrovsk is crucial as its fall could allow Russian advances into key Ukrainian cities, despite Ukraine's efforts to defend the city amidst shortages and strategic challenges.

via The Guardian|
#eastern-ukraine#nuclear-testing#pokrovsk
Experts Doubt Trump’s Nuclear Testing Will Lead to Mushroom Clouds
world11 months ago

Experts Doubt Trump’s Nuclear Testing Will Lead to Mushroom Clouds

President Trump announced plans to resume US nuclear testing, likely focusing on subcritical or non-explosive tests that do not produce mushroom clouds, according to experts. These tests involve laboratory simulations or small reactions, and do not violate existing treaties, but could impact global nuclear dynamics if other countries follow suit.

via CBS News|
#nuclear-proliferation#nuclear-testing#subcritical-tests
US and China Engage in Nuclear Testing Developments Amid Rising Threats
world11 months ago

US and China Engage in Nuclear Testing Developments Amid Rising Threats

China denied President Trump's claim that it has conducted clandestine nuclear tests, emphasizing its commitment to nuclear non-proliferation, while Trump suggested that China and Russia are testing underground nuclear weapons without public acknowledgment. The U.S. has not ratified the Comprehensive Nuclear-Test-Ban Treaty, and there are ongoing debates about the nature of U.S. nuclear testing plans.

via CBS News|
#china#disarmament#nuclear-testing