"North Korea launched one ballistic missile that flew over the territory of our country in the Aomori Prefecture area and fell in the Pacific Ocean outside the country's exclusive economic zone. It is believed to have flown a distance of about 4,600 kilometers, reaching a maximum flight altitude of 1,000 kilometers," Matsuno said at a press conference.
The maximum speed of a ballistic missile launched by North Korea on Tuesday reached Mach 17, the Yonhap news agency reported, citing the South Korean military.
South Korean President Yoon Suk-yeol has warned of a strong response to North Korea's ballistic missile launch, Yonhap news agency reported.
Earlier reports said North Korea fired a medium-range ballistic missile toward the Sea of Japan.