"We would have to look at all of the details, all of the facts".
Seoul has already begun preparing for the possibility of such a missile targeting South Korean territory, with the government abruptly announcing that it had allowed the installation of new launchers, part of the US -provided Terminal High Altitude Area Defense (THAAD) missile system.
China and Russian Federation have both asked for the US and South Korea end its annual joint military drills and stop the deployment of America's anti-missile THAAD system to South Korea in exchange for North Korea ending its nuclear and missile program, the BBC News said.
In additional to the oil embargo, the USA wants to see North Korean textiles exports banned and create a barrier to the hiring of North Korean workers overseas, Reuters said.
Pyongyang imports almost all of its oil and gas from China.
North Korea greeted the proposal with a threat.
The resolution would authorize member states, including the United States, to "use all necessary measures" to "interdict and inspect" cargo vessels that have been designated as sanctions violators by the U.N. Security Council.
"We know the Americans may come back with many more sanctions but in response we Koreans will continue shooting up many more missiles and conducting many more H-bomb tests", North Korean shop assistant Han Myong Sim told CNN's Will Ripley.
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North Korea said it would respond to any UN sanctions and USA pressure with "powerful counter measures", accusing the United States of aiming to start a war.
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North Korea has faced growing condemnation from around the world following its sixth and largest nuclear test this month. China accounts for 90% of North Korea's external trade.
On Friday night, the US mission to the United Nations announced the move to request a vote on Monday to the Security Council, Politico reported. "We believe that sanctions and pressure are only half of the key to resolving the issue".
"I'm not negotiating with you", the president said at the news conference, held with Kuwait's emir, Sheikh Sabah Al-Ahmad Al-Jaber Al-Sabah.
Mr Moon, a liberal who took office in May, had initially showed a preference for a diplomatic approach on North Korea, but his government has since taken a harder stance as the North continued its pace in weapons tests. "Maybe we'll have a chance to negotiate with somebody else, but I don't put my negotiations on the table, unlike past administrations".
Those in their twenties were most opposed to the idea of acquiring nuclear weapons, while respondents 50 and above said the South should have them.
Russian authorities have explained the boost in trade by a rise of exports to North Korea, primarily oil products.
The poll also found that 60 percent of those surveyed believed South Korea should arm itself with nuclear weapons while 35 percent disagreed.
Facing a rocky relationship with U.S.
"We are still assessing that test", a senior administration official said on condition of anonymity.
"I am proud of saying that just two days ago on the third of September, DPRK successfully carried out a hydrogen bomb test for intercontinental ballistic rocket under its plan for building a strategic nuclear force", North Korea's chief diplomat Han Tae Song said at a United Nations meeting, held in Switzerland Aug. 6.
The kind of nuclear deterrence policy that the United States adopted toward the former Soviet Union would probably not work with North Korea, the official said.