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Emergency situation at Olkiluoto nuclear plant
The facility, located on the west coast between the cities of Rauma and Pori, was forced to undergo an emergency shutdown (scram) on Thursday shortly after noon.
According to Stuk, the problems in the plant started "when radiation measurement systems detected higher levels within the plant." However, the nuclear watchdog said "no radiation has been released into the surroundings from the facility" and the radiation situation in the vicinity of the plant is "normal."
Previously, the operator of the plant (TVO) reported "a plant emergency situation" occurred at 12:22 in which "an isolation of main steam lines has launched an isolation which has isolated also the containment." (sic).
Update on Event at Olkiluoto Nuclear Power Plant in Finland
The Finnish Radiation and Nuclear Safety Authority (STUK) updated the International Atomic Energy Agency (IAEA) about the event at Unit 2 of the Olkiluoto Nuclear Power Plant. STUK informed the IAEA at 13:42 UTC that radiation levels around the facility were within the average range for background radiation. STUK also said that there was no fuel damage and all safety systems were fully functional, and that the operator is preparing the plant to return to normal status.
Earlier today, STUK informed the IAEA that elevated radiation levels were measured inside the plant. Subsequently, Unit 2 was shut down. Olkiluoto Nuclear Power Plant is located on Olkiluoto Island about 220 km northwest of Helsinki.
The IAEA remains in contact with its counterparts in the Republic of Finland.
originally posted by: LookingAtMars
Nuclear plant in Finland shut down due to high radiation level
STUK tweeted: "An abnormal operational occurrence was detected at Olkiluoto 2 power plant ... there is no danger to people or [the] environment. No need for protective measures. Do not take iodine tablets, no need to seek shelter inside."
Jarmo Tanhua, CEO of the nuclear power plant operator TVO, said the incident was an exceptional and unparalleled event in the facility's history. TVO is a consortium of power and industrial companies.
"This is a significant and an exceptional incident and we consider it important to spread correct information about it," said Aino-Kaisa Pekonen, Finland's minister of social affairs and health.