China experts say 3.4-quake hits North Korea in 'suspected explosion'
FILE PHOTO: A North Korean flag flies on a mast at the Permanent Mission of North Korea in Geneva October 2, 2014. REUTERS/Denis Balibouse/File Photo

China's seismic service CENC on Saturday detected a zero-depth, 3.4-magnitude earthquake in North Korea, calling it a "suspected explosion". The epicentre is roughly the same as that of a previous shallow earthquake on September 3, which turned out to be caused by a North Korean nuclear test, the official Xinhua news agency said. The earthquake comes…