Wire report
China has detained US nuclear seismology expert since 2024, family reveals
Beijing may be using Youlin Chen’s knowledge to devise ways of staging nuclear tests without detection, advocates for his release from spying charges suggest An American seismologist has been detained in China on espionage charges since 2024, his family has revealed, saying Donald Trump’s direct appeal for the scientist’s release to his Chinese counterpart, Xi Jinping, went unanswered. Youlin Chen – who has researched how to detect underground nuclear tests using seismological data – was detained on 5 November 2024, according to a statement from the NGO Global Reach, which is working with his family to secure his freedom. Continue reading...
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Beijing may be using Youlin Chen’s knowledge to devise ways of staging nuclear tests without detection, advocates for his release from spying charges suggest An American seismologist has been detained in China on espionage charges since 2024, his family has revealed, saying Donald Trump’s direct appeal for the scientist’s release to his Chinese counterpart, Xi Jinping, went unanswered. Youlin Chen – who has researched how to detect underground nuclear tests using seismological data – was detained on 5 November 2024, according to a statement from the NGO Global Reach, which is working with his family to secure his freedom. Continue reading...
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What happened
According to The Guardian’s linked report, China has detained US nuclear seismology expert since 2024, family reveals, Beijing may be using Youlin Chen’s knowledge to devise ways of staging nuclear tests without detection, advocates for his release from spying charges suggest An American seismologist has been detained in China on espionage charges since 2024, his family has revealed, saying Donald Trump’s direct appeal for the scientist’s release to his Chinese counterpart, Xi Jinping, went unanswered. Youlin Chen – who has researched how to detect underground nuclear tests using seismological data – was detained on 5 November 2024, according to a statement from the NGO Global Reach, which is working with his family to secure his freedom. Continue reading…
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The development sits in VINI’s Technology coverage for readers following technology, science, product policy, markets, infrastructure, and the public consequences of innovation. The original report is linked so readers can check the source account, follow later updates, and compare new coverage against the first published record. The linked report is dated 2026-07-15T03:57:29+00:00.
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Primary source: China has detained US nuclear seismology expert since 2024, family reveals via The Guardian. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.
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- China has detained US nuclear seismology expert since 2024, family revealsThe Guardian - 2026-07-15T03:57:29+00:00
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