Experts reckon that if North Korea really had a H-bomb, even an unsuccessful test would've created bigger seismic activity, reports NBC's Steve Handelsman.
Jim Cramer reminded investors that selling stocks is not the answer to problems with North Korea.
Rodger Baker, VP and director of analysis at Stratfor, discusses the timing of North Korea's nuclear test, which comes ahead of the ruling party's congress.
The North Korean government announced a successful test of a hydrogen bomb, but the bark may be bigger than the blast, some seismologists say.
Former Under Secretary of State Nicholas Burns weighs in on the significance of North Korea testing what it claims is a hydrogen bomb.
The U.S. and its Asia-Pacific allies will likely be drawn closer in the wake of North Korea's most recent nuclear test.
Former Special UN Ambassador Stuart Holliday explains China's unique position in dealing with North Korea after the country reportedly tested a hydrogen bomb.
North Korea claims it detonated a hydrogen bomb in a test, a move condemned by the U.S., Britain, Japan and even China.
UN Test Ban Treaty Organization Executive Secretary Lassina Zerbo discusses the "clear violation" of North Korea's reported nuclear test.
CNBC'S Chief International Correspondent Michelle Caruso-Cabrera reports the impact of North Korea's supposed hydrogen bomb test.
The UN security council has condemned North Korean bomb tests, reports CNBC's Chief International Correspondent Michelle Caruso-Cabrera.
Former Ambassador to Korea Chris Hill discusses what should be done in response to a reported hydrogen bomb test in North Korea.
Eurasia Group President Ian Bremmer, provides insight to the relationship between China and North Korea, after N. Korea claimed a successful test of a hydrogen bomb.
Sources are telling Reuters the U.S. government is skeptical of the North Korea hydrogen bomb claims. Former U.S. Ambassador to S. Korea Thomas Hubbard, provides perspective on North Korea's relationship with China.
North Korea's hydrogen bomb test claim ignited "another tinderbox in the world besides the Middle East," said former ambassador to the U.N.
U.N. Secretary-General Ban Ki-Moon condemned the apparent North Korea test, calling it "deeply troubling" and "profoundly destabilizing for regional security. Former AP Pyongyang bureau chief Jean Lee, provides perspective.
NBC'S Chief Pentagon Correspondent Jim Miklaszewski reports the U.S. military had sniffer planes gathering air samples the time the hydrogen bomb test reportedly occurred in North Korea.
North Korea is continuing to prioritize its nuclear program, despite several attempts to resolve the situation, explains Former CIA Korea Branch Chief Bruce Klingner.
Discussing North Korea's test of a hydrogen bomb, and the potential threat to the outside world, with Richard Haass, Council on Foreign Relations President.
CNBC's Eunice Yoon reports North Korea has claimed a successful test of a hyrdogen bomb.