"The members of the Security Council agreed that the Security Council would continue to closely monitor the situation and take further significant measures including sanctions, in line with the Council's previously expressed determination", the statement said.
Top envoys from the United States, South Korea and Japan are due to meet on Tuesday, South Korea's foreign ministry said, to "discuss plans to rein in North Korea's additional high-strength provocations, to maximize pressure on the North, and to ensure China's constructive role in resolving the North Korea nuclear issue".
US and South Korean officials have been saying for weeks that the North could soon stage another nuclear test in violation of United Nations sanctions, something both the United States and China have warned against. Since North Korea knows when satellites zip overhead, analysts say the games at the main administrative area, guard barracks, and support area of the command center-plus an apparently unused volleyball net at the command center-were likely meant to convey some sort of message, though they aren't exactly sure what.
The latest bellicose statement follows North Korea's weekend display of military hardware in a parade marking the birthday of its founder Kim Il Sung and two attempted missile tests, one of which failed.
US Ambassador Nikki Haley separately stressed that the onus was on North Korea to prevent an escalation.
South Korean presidential candidates clashed on Wednesday night in a debate over the planned deployment in South Korea of a US -supplied Terminal High Altitude Area Defense (THAAD) anti-missile system, which has angered China.
U.S. House of Representatives Speaker Paul Ryan said during a visit to London the military option must be part of the pressure brought to bear.
In a tweet, Trump said: "China is very much the economic lifeline to North Korea so, while nothing is easy if they want to solve the North Korean problem, they will".
"And, it's up to them to kind of see it".
She said members are working on a statement responding to the latest North Korean missile launch that failed.
Guterres singled out the countries "in the front line" of contacts with North Korea - the U.S., China, South Korea, Russia and Japan - and said everybody involved should "make sure that everything is done for the threat represented by the development in relation to missiles and in relation to the potential for nuclear capability not to become a threat to the global community".
A United States aircraft carrier strike group, led by the USS Carl Vinson, is heading towards the Korean Peninsula, Trump's administration has said.