RSS feed source: USGS Earthquake Hazards Program
Time2025-10-07 04:55:50 UTC2025-10-07 04:55:50 UTC at epicenterLocation10.168°N 126.521°EDepth50.65 km (31.47 mi)
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Author: WeWorldMedia-admin
RSS feed source: USGS Earthquake Hazards Program
Time2025-10-07 04:14:03 UTC2025-10-07 04:14:03 UTC at epicenterLocation5.498°N 126.422°EDepth86.63 km (53.83 mi)
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RSS feed source: USGS Earthquake Hazards Program
Radiation worker exposure
Print View Posted on: 07 October 2025
Event Date: 13 January 2025 Event Type: Irradiation/Accelerator Facility Event Location: Czech Republic, Nuclear Physics Institute, Praha INES Rating: 2 (Final)
On 13. 1. 2025, the lcencee reported a radiation emergency when an unplanned radiation exposure of a radiation worker occurred. The worker was in the radiation room with a source of ionizing radiation – the Chisostat SO 1 irradiator, which contained a sealed radionuclide source (“URZ”) Co-60 with an activity of 30TBq as of 13. 1. 2025. At the time of the preparatory work, the source was not in a shielded position. The total time the worker spent in the radiation room during 2 entries (7. 1. 2025 and 13. 1. 2025) was about 12.5 minutes.
The investigation found that the last time the irradiator was used on 18. 12. 2024, it was incorrectly turned off. The irradiator was turned off by the main circuit breaker (not via the main control console), therefore the source was not put into the shielded position. It was also found that the backup power source (UPC), which would ensure the insertion of the
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RSS feed source: USGS Earthquake Hazards Program
Time2025-10-07 00:30:23 UTC2025-10-07 00:30:23 UTC at epicenterLocation37.568°N 141.303°EDepth49.32 km (30.65 mi)
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