At 02:57:51 UTC on February 12, 2013, monitoring stations of the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) and many other stations around the world detected a shallow seismic event with explosion-like characteristics in the Democratic People’s Republic of Korea (DPRK).
UPDATED 10 slide Powerpoint presentation (zipped ppt/animation 13.7 MB / pdf 688 kB)
Presentación en Español (zipped ppt13.7 MB / pdf 712 kB)
CTBTO: How the International Monitoring System Works
CTBTO: The seismic network and how it works
CTBTO: The infrasound network and how it works
