Japan holds nuclear disaster drill simulating Tomari plant accident

Japan runs nuclear emergency drill after Tomari plant accident scenario.

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Nov 8, 2026

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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

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

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.

Read the original on The Japan Times

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