Philippine Institute of Volcanology and Seismology-Department of... News Photo2013 North Korean Crisis,Activity,Computer,Computer Monitor,Earthquake,Horizontal,Looking,Manila,North Korea,Office,Philippines,Politics,Science,Technology,VolcanoPhotographer Collection: AFP 2013 AFPPhilippine Institute of Volcanology and Seismology-Department of Science and Technology (Phivolcs-DOST) Director, Renato Solidum, looks at a computer after they monitored a seismic activity originating from North Korea, at a monitoring office in Manila on February 12, 2013. A defiant North Korea on Tuesday staged its most powerful nuclear test yet and warned of 'stronger' action to follow if the ensuing wave of global condemnation translated into tougher sanctions. AFP PHOTO / Jay DIRECTO (Photo credit should read JAY DIRECTO/AFP/Getty Images)