The quake was detected in an area around Kilju, in northeastern North Korea, just 6 kilometers northwest of where the North conducted its sixth and most powerful nuclear test on September 3, according to an official from Seoul's Korea Meteorological Administration.
The United States Geological Survey said the quake struck around 20 km away from the North's nuclear test site, where earlier this month Pyongyang detonated its sixth and largest device, which it claimed to be a hydrogen bomb capable of being launched onto a missile.
BEIJING/SEOUL-A small natural disaster near North Korea's nuclear test site on Saturday was probably not manmade, the nuclear proliferation watchdog and a South Korean official said, easing fears Pyongyang had exploded another nuclear bomb just weeks after its last one.
"I'm not a fan of Vladimir Putin", McCallum said, "but I think he got it right when he said that North Korea would rather eat grass than lose its nuclear weapons".
On Thursday, U.S. President Donald J. Trump announced a new presidential executive order empowering the U.S. Department of the Treasury to impose additional sanctions on individuals and entities who do business with North Korea.
"This could probably mean the strongest hydrogen bomb test over the Pacific Ocean", he told reporters in response to a question about what action the North Korean regime might take against the U.S. North Korean leader Kim Jong Un is embracing markets and is establishing more channels of interactions with the outside world - even with efforts by the worldwide community to impose sanctions.
The United States Geological Survey (USGS) have said they are unable to make a decision as to what may have caused this natural disaster on Saturday.
So, what effect can sanctions have on the North Korean economy? "We will not carry out export procedures of related products from 12 a.m. on the day of announcement and these products will be uniformly put on the list of prohibited export items in the future", it said.
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The broadcaster gave no date for the test , although officials had said on Friday that it would be tested "soon". Under the pact, Tehran agreed to restrict its nuclear programme in return for the lifting of economic sanctions.
The ban on textiles trade will hurt Pyongyang's income, while China's oil exports are the country's main source of petroleum products.
In public, China's foreign ministry has calmly advocated restraint, and warned Pyongyang and Washington on Friday not add oil to the fire.
The tougher stance follows North Korea's latest nuclear test this month.
Exports of refined petroleum to the North will be limited to 2 million barrels per year, effective January 1, the Commerce Ministry said.
Ms Bishop said "the security of millions of people is at risk" as a result of North Korea's nuclear weapons program, which the rogue state has been rapidly developing despite global condemnation and a series of UN Security Council sanctions.
"The President takes the responsibility of the security of the American people very seriously and it is his first and foremost responsibility but we're not in this alone", he said, noting that China and Russian Federation have also put pressure on North Korea.
North Korea's leadership, ever the experts in brinkmanship, know that full well, and this knowledge has allowed them to call China's bluff repeatedly. Most of those threats have been against the US. China's Foreign Minister Wang Yi told the council it is "a practical way out" and stressed that China had "made tireless efforts for settlement to the North Korean issue".
Chinese officials complain their country bears the cost of enforcing sanctions, which have hurt businesses in its northeast that trade with the North.