Japanese media reports claim that the Kashiwazaki-Kariwa Nuclear Power Plant will remain closed for at least a year following the 2007 Chuetsu offshore earthquake.
- Japan allows International Atomic Energy Agency inspectors to visit the Kashiwazaki-Kariwa Nuclear Power Plant shut down after the recent 2007 Chuetsu offshore earthquake.
- 2007 Chuetsu offshore earthquake: The Government of Japan orders The Tokyo Electric Power Company to keep its Kashiwazaki-Kariwa Nuclear Power Plant closed pending safety checks after the earthquake caused a leak.
- A fire breaks out at the Kashiwazaki-Kariwa Nuclear Power Plant in Niigata, Japan, which has been closed since a fire in July.
- International Atomic Energy Agency inspectors examine the Kashiwazaki-Kariwa Nuclear Power Plant in Japan.
- A 6.8 magnitude earthquake hits Japan with a tsunami warning being issued in Niigata Prefecture, Honshu. At least eight people have been killed and over 700 injured. There was a fire in the Kashiwazaki-Kariwa Nuclear Power Plant as well as a small leak but not sufficient to damage the environment.
- Japanese Prime Minister Shinzo Abe is expected to dissolve the House of Representatives on September 28, 2017 to make way for fresh elections.
- A North Korean missile flies over Hokkaido, Japan, triggering the J-Alert system, following a similar event on 29 August.
- Japan agrees to help with the construction of an Indian bullet train.
- North Korea fires a Hwasong-12 ballistic missile which flies 2,700 km, passing over Hokkaido, northern Japan, prompting the activation of the nationwide J-Alert warning system. This is first time since 2009 that a North Korean missile has passed over Japanese territory.
- The death toll from flooding on the southern Japanese island of Kyushu rises to 15, with six others missing.