Showa crater is a feature on Sakurajima mountain volcano, in southern Japan.
On 18 August 2013, the volcano erupted from Showa crater and produced its highest recorded plume of ash since 2006, rising 5,000 metres high and causing darkness and significant ash falls on the central part of Kagoshima city. The eruption occurred at 16:31 and was the 500th eruption of the year.
- "Sakurajima spews its highest volcanic column ever at 5,000 meters". Asahi Shimbum. 18 August 2013. Retrieved 18 August 2013.