January 6, 2016 12:30 PM EST

In the early hours of Jan. 6, seismic activity was recorded deep within North Korea. Just two hours later, the hermit kingdom announced through its state media, the Korean Central News Agency, that it had conducted a “perfect” H-bomb nuclear test. Watch the video above to see a newscaster make the announcement.

More Must-Reads From TIME

Contact us at letters@time.com.

You May Also Like