Meanwhile, South Korea said it found a small amount of radioactivity in air samples collected days after the North's test.
Earlier this month, South Korea's defense minister suggested it was worth reviewing the redeployment of US tactical nuclear weapons on the peninsula in order to deter threats from the North, something conservative US Sen.
The statement from the North Korean state-controlled news agency also had a disturbing message for Japan.
It then said, "The four islands of the (Japanese) archipelago should be sunken into the sea by the nuclear bomb of Juche".
Despite the North's threats, South Korean President Moon Jae-in said he was against having nuclear weapons in his country, either by developing its own arsenal or bringing back United States tactical nuclear weapons that were withdrawn in the early 1990s.
YU Yureka 2 Price in India
YU now sells YU Yunique 2, YU Yureka Black and YU Yunicorn in the country at Rs 5,999, Rs 8,999 and Rs 10,999 respectively. After a long break, YU Televentures has launched the Yureka Black smartphone in June this year.
'I'd like to appeal to the world, together with Prime Minister Modi, that we need to have North Korea change its policy through the thorough implementation of the newly adopted Security Council resolution by the global community'.
"Let's vent our spite with mobilisation of all retaliation means which have been prepared till now", the statement said.
But the detected xenon-133 is a radioactive isotope that does not occur naturally and which has been linked to North Korea's nuclear tests in the past.
The statement also threatened the United States, calling for it to be reduced to "ashes and darkness".
"As long as there is no actual war outbreak, I think the impact is relatively limited, and that's why we don't change our outlook on the rating of South Korea", Kim Eng Tan, senior director of Asia-Pacific sovereign ratings at S&P, said in a brief interview with Yonhap News Agency.
However, Seoul's Unification Ministry revealed Thursday that the government is mulling over whether to provide the North with $8 million in aid despite sanctions.
Farewell, Friend: NASA's Cassini Locks Itself on Death Course with Saturn
What will happen on Friday when Cassini crashes? "It got the velocity change it needed, and now it's on its way into Saturn". NASA's Cassini spacecraft is making its final approach to Saturn before it plunges into the planet's atmosphere.
It said Tokyo should never be forgiven for not offering a honest apology for its "never-to-be-condoned crimes against our people" in an apparent reference to Japan's wartime aggression.
Tokyo blasted the North Korean statement as "extremely provocative and egregious".
Latest UN sanctions are aimed at putting pressure on North Korea.
Meanwhile, Japanese Prime Minister Shinzo Abe on Thursday called for strict enforcement of a United Nations resolution against North Korea over its latest nuclear test, saying the world must force a change in Pyongyang's policies.
The latest round of tough sanctions against North Korea had the support of China and Russian Federation, who have favoured Pyongyang at several instances in the past despite mounting pressure from the US.
Facebook issues tougher norms for content creators to advertise on its network
The efforts include guidelines that will prevent publishers and creators from making money off Facebook's social networking platform if rules are violated.