- Title: North Korea nuclear test: wrap of day's events
- Date: 3rd September 2017
- Summary: SEOUL, SOUTH KOREA (SEPTEMBER 3, 2017) (REUTERS) VARIOUS OF STREET TRAFFIC
- Embargoed: 17th September 2017 14:15
- Keywords: hydrogen bomb Moon Jae-in ABE ICBM Japan leader Kim Jong Un border North Korea resident nuclear lab South Korea still photos NSC meeting Paju meteorological agency
- Location: UNIDENTIFIED LOCATION AND PYONGYANG, NORTH KOREA / SEOUL AND PAJU, SOUTH KOREA / BEIJING, CHINA / TOKYO, JAPAN
- City: UNIDENTIFIED LOCATION AND PYONGYANG, NORTH KOREA / SEOUL AND PAJU, SOUTH KOREA / BEIJING, CHINA / TOKYO, JAPAN
- Country: Korea, Democratic People's Republic of
- Topics: Diplomacy/Foreign Policy,Government/Politics
- Reuters ID: LVA0066X1K8CN
- Aspect Ratio: 16:9
- Story Text: North Korea's claim of a successful hydrogen bomb test marks a major step in the isolated country's long-stated goal of developing a nuclear-tipped missile that puts the U.S. mainland within range, experts say.
North Korea conducted its sixth and most powerful nuclear test on Sunday (September 3), which it said was a successful detonation of an advanced hydrogen bomb, technically known as a two-stage thermonuclear device.
All of North Korea's six nuclear tests including the one on Sunday have taken place at its underground testing site in Punggye-ri, deep in mountainous terrain, and it is hard to independently verify the claims.
But experts who studied the impact of the earthquake caused by the explosion - measured by the U.S. Geological Survey at magnitude 6.3 - said there was enough strong evidence to suggest the reclusive state has either developed a hydrogen bomb or was getting very close.
The detonation produced 10 times more power than the fifth nuclear test a year ago, South Korean and Japanese officials said. NORSAR, a Norwegian earthquake monitoring agency, estimated the yield at 120 kilotons, significantly above the 15 kiloton "Little Boy" bomb dropped on Hiroshima and the 20 kiloton "Fat Man" dropped on Nagasaki at the end of World War Two.
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