They had been fired from the Tongchang-ri area, close to the North’s border with China, the South Korean navy mentioned.
The kind of missile is unclear however the North is banned from any missile or nuclear checks by the UN.
A South Korean navy official mentioned a launch had taken place at 07:36 native time Monday (22:36 GMT Sunday) and was being investigated to find out the kind of projectile used.
The US navy mentioned later it had detected and tracked a launch however had decided that it didn’t pose a risk to North America.
State Division performing spokesperson Mark Toner mentioned in a press release: “The USA strongly condemns the DPRK’s ballistic missile launches tonight, which violate UN Safety Council Resolutions explicitly prohibiting North Korea’s launches utilizing ballistic missile know-how,” utilizing the official title of the nation the Democratic Individuals’s Republic of Korea (DPRK).
On Friday, Pyongyang threatened to fireside missiles in response to the Foal Eagle navy workouts below means between South Korea and the US. The North sees the annual drills as preparation for an invasion towards it.
Monday’s launches had been simply the newest in an extended collection of checks of North Korean missile know-how, which consultants say is prone to be bettering with successive checks.
North Korea has repeatedly mentioned its area programme is peaceable however it’s believed to be growing an intercontinental ballistic missile that might strike the US.
Nevertheless, most imagine the North continues to be a while away from having the ability to miniaturise nuclear warheads so they might match on to a missile.
Final month North Korea mentioned it had efficiently test-fired a brand new type of ballistic missile in a launch supervised by chief Kim Jong-un.
The primary test-firing since Donald Trump turned US president, it was condemned by the UN, the US, South Korea and Japan.
Current exercise within the Tongchang-ri area, residence to the Sohae Satellite tv for pc Launching Station, has been a trigger for concern for Japanese officers.
Screens have been arrange in key areas, most likely to discourage satellite tv for pc surveillance, in line with South Korea’s Yonhap information company.
On Sunday, South Korea mentioned it will quadruple the reward it pays defectors from the North who share info that can assist improve safety to $860,000 (£700,000).