The North Korean Nuclear Test: The Chinese Reaction Hui Zhang, Bulletin of the Atomic Scientists

The North Korean Nuclear Test: The Chinese Reaction Hui Zhang, Bulletin of the Atomic Scientists
http://thebulletin.org/web-edition/features/the-north-korean-nuclear-test-the-chinese-reaction

On the morning of May 25, many schools in northeast China were evacuated because of the earthquake caused by the North Korea nuclear test. The epicenter of the earthquake, registering 4.5 on the Richter scale, was just 180 kilometers away from those schools.