From The Japan Times · No Author · · 1m
Japan holds nuclear disaster drill simulating Tomari plant accident
Japan runs nuclear emergency drill after Tomari plant accident scenario.
In brief
Japan runs nuclear emergency drill after Tomari plant accident scenario. Japan conducted a nuclear disaster drill simulating a Tomari plant accident caused by earthquake-induced reactor failure. Originally reported by The Japan Times.
Japan holds nuclear disaster drill
Japan conducted a comprehensive nuclear emergency drill simulating a severe accident at Hokkaido Electric Power’s Tomari nuclear plant.
Drill simulates earthquake-induced reactor failure
The drill involves Hokkaido prefectural government, municipalities, and the Cabinet Office, with 8,500 residents expected to participate.
Tomari plant reactor scenario

The drill simulates an earthquake off Hokkaido’s western coast causing equipment failure at the plant’s No. 3 reactor.
Prime Minister declares nuclear emergency
On the second day, Prime Minister Sanae Takaichi declared a nuclear emergency during the drill.
Tomari plant safety status
In 2025, the Nuclear Regulation Authority confirmed the No. 3 reactor met Japan’s new safety standards for restart.
Tomari plant restart timeline uncertain

The reactor’s restart timing remains uncertain as the authority reviews construction plans for detailed facilities.
The short version
Japan conducted a nuclear disaster drill simulating a Tomari plant accident caused by earthquake-induced reactor failure.

