"That could be an absolutely huge eruption, kill thousands -- if not tens of thousands -- of Chinese and North Koreans. We don't know if a bigger nuclear explosion will set it off, but it is certainly possible," Bennett told CNN. "The Chinese for years have been worried that he's (Kim Jong Un) going to cause a volcano to erupt."
About 1.6 million people live within 100 kilometers (62 miles) of the volcano, according to the Smithsonian's Global Volcanism Program, and it's only about 115 to 130 kilometers (70 to 80 miles) away as the crow flies from Punggye-ri, North Korea's nuclear test site.
The possibility