TEPCO completes fourth and final release of treated water from Fukushima Daiichi Nuclear Power Plant this fiscal year. The amount released this time was 7,794 tons, and the tritium concentration in the seawater collected by TEPCO from 10 locations within 3 km from the nuclear power plant during the release period was a maximum of 16 becquerels per liter.
In the early hours of the 15th, while the fourth release was in progress, an earthquake occurred off the coast of Fukushima Prefecture with a maximum seismic intensity of just under 5.