Chronology of events related to release of Fukushima water into sea

The following is a chronology of events related to the Japanese government’s decision to release into the sea treated radioactive water from Tokyo Electric Power Company Holdings Inc.'s six-reactor Fukushima Daiichi nuclear power plant, which suffered core meltdowns for some of its reactors due to an earthquake and tsunami on March 11, 2011.

March 11, 2011 -- Magnitude-9.0 earthquake and ensuing tsunami triggers nuclear crisis at TEPCO’s Fukushima Daiichi plant, resulting in loss of power at facilities of Nos. 1-4 reactors.

Nos. 1-3 reactors subsequently suffer core meltdowns, as plant generat...