USGS Reports North Korean Nuke Test as 4.2 Quake (Score 3, Informative)

Seismic Data from North Korean underground Nuke test registers on USGS sensors as 4.2 mag quake http://bitterplace.homeip.net:8080/modules.php?nam e=News&file=article&sid=607&mode=&order=0&thold=0