SEOUL, Jan. 5 (Yonhap) -- A 2.2 magnitude earthquake struck North Korea's southwestern county of Ongjin, the latest in a series of natural earthquakes to hit North Korea in recent years ...

The red dot shows where an earthquake occurred in North Korea's Ongjin County, South Hwaghae Province, near the western sea ...

“At the time, I was just worried about my child, I had to go and take care of my wife and child,” he told Thairath TV, adding that he had never experienced an earthquake like this in South Korea.

Joshua and his colleagues found in their study that North Korea has conducted six nuclear tests over the past 20 years. With the increase in the number of earthquake-monitoring instruments in the ...