Pyongyang said in February past year it was suspending the probe in response to tougher sanctions imposed by Japan over North Korean nuclear and missile tests.
North Korea also often responds to US-South Korean military drills with its own military training and harsh rhetoric.
There are conflicting views on what type of missile was used in the launch.
The U.S. military said it was a KN-15 medium-range ballistic missile which they had determined posed no threat to America.
Retired four-star Gen. Jack Keane told Fox News on Wednesday that the U.S.is "rapidly and dangerously heading towards the reality that the military option is the only one left when it comes to getting North Korea to denuclearize and not weaponized [intercontinental ballistic missiles]".
The most recent launch flew about 40 miles from the eastern port city of Sinpo, according to the South Korean military. He added it "met standards in all categories" but was programmed to fly only a short distance. It is likely to be an upgraded version of the submarine-launched missile named "Pukguksong" launched last summer.
Members of the General Association of Korean Residents in Japan, known locally as Chongryon, are also prohibited from re-entering Japan if they leave the country to visit North Korea.
South Korean media speculated at the time that North Korea might have attempted to test a missile that it has not deployed.
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"I've joked before that they don't mind being hated but they definitely hate to be ignored", Cossa said. "China summit, while at the same time it was to check its missile capability", a South Korean official said. Washington, Seoul and others call the North's space program a cover for its long-range missile development program.
The US and South Korea yesterday agreed to proceed with the deployment of an advanced US missile defense system that has angered China, one day after North Korea's latest test launch drew condemnation across the volatile region.
The U.S. President will be accompanied by Defense Secretary James Mattis, Commerce Secretary Wilbur Ross and Secretary of State Rex Tillerson.
The EU has steadily increased its sanctions against North Korea, the previous move coming in late February with Pyongyang in the spotlight after the assassination at the Kuala Lumpur airport of Kim Jong-Nam, the estranged half-brother of leader Kim Jong-Un.
Madden also pointed out that North Korea is angry over joint U.S. So, even though we hear sometimes that China's political influence may have diminished with North Korea, clearly its economic leverage has not.
Council members said they "deplore" all North Korean ballistic missile activity, stressing that it contributes to the country's development of nuclear weapons delivery systems and diverts resources from the needs of its people.
Last night, a senior-level White House official said that Trump and Xi discussed how to deal with North Korea.