U.N. investigates whether second seismic shock in North Korea is another explosion or caused by the first blast
The head of the United Nations organization looking into North Korea’s recent nuclear test says it is seeking information about a second seismic shock that followed the detonation to rule out the possibility it was a second explosion.
Lassina Zerbo of the Comprehensive Test Ban Treaty Organization says experts believe the second shock was geological and was caused by the blast.
But he told reporters Monday that because it was recorded at the same location, the experts are working to have a better understanding of what caused the second shock.
The U.N. Security Council is to hold an emergency meeting on Monday to discuss responses to Sunday’s nuclear test, North Korea’s most powerful to date.
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