A 3.4-magnitude earthquake hit the northeastern part of North Korea, China's Earthquake Networks Center (CENC) said Saturday.
"On September 23, at 16:29 [08:29 GMT] local time a 3.4-earthquake (suspected explosion) occurred in North Korea (41.4 degrees north latitude, 129.1 degrees east longitude), the depth of 0 km," the seismologists said.
However, South Korea's weather agency claimed that the nature of the quake more likely of a natural origin.
According to the agency's data, the quake hit the Kilju area in North Hamgyong Province.