35-45 kilotons, if it was an H-bomb it was a fizzle.
It’s the same magnitude as the 2012 detonation, maybe a bit smaller.
Yikes....and a lot more than yikes.....
South Korean officials detected an "artificial earthquake" near North Korea's main nuclear test site Wednesday, a strong indication that nuclear-armed Pyongyang had conducted its fourth atomic test. (Kyodo News)