The width of the Akashi Strait is approximately 4 kilometers, and maximum depth is about 110 meters.

[1] The 1.5-kilometer strait is one of the important points of the Seto Inland Sea and is at the mouth of the Pacific Ocean.

The Akashi Strait is designated as an international shipping channel by the Maritime Traffic Safety Act in Japan.

[2] The Great Hanshin Earthquake occurred beneath the Akashi Strait and struck on 17 January 1995 with magnitude 7.2.

[3] The Nojima Fault is a branch of the Japan Median Tectonic Line which runs the length of the southern half of Honshu.