Latest news from Fukushima

IAEA Briefing on Fukushima Nuclear Accident (27 April 2011, 18:00 UTC)

Current situation

Overall, the situation at the Fukushima Daiichi nuclear power plant remains very serious, but there are signs of recovery in some functions, such as electrical power and instrumentation.

Changes to Fukushima Daiichi plant status

The IAEA receives information from various official sources in Japan through the Japanese national competent authority, the Nuclear and Industrial Safety Agency (NISA). Additional detail is provided in the IAEA Incident and Emergency Centre (IEC) status summary with information received by 17:00 UTC on 27 April 2011.

Radiation monitoring

On 25 April deposition of Cs-137 was detected in five prefectures, the values reported ranging from 3.2 to 20 Bq/m2.

Gamma dose rates are measured daily in all 47 prefectures. A general decreasing trend has been observed in all locations since around 20 March. For Fukushima prefecture, gamma dose rates in recent days were in the range 1.7-1.8 μSv/h. In Ibaraki prefecture, gamma dose rates were slightly below 0.12 μSv/h. In all other prefectures, reported gamma dose rates were below 0.1 μSv/h with similar decreasing trends.

The full report can be read here: