<!-- Begin FRAME1 Breaking News from The Washington Post Unusual seismic activity detected near N. Korea nuclear test site Monday, February 11, 2013 11:52:01 PM National News Alert Unusual seismic activity detected near N. Korea nuclear test site SEOUL — Unusual seismic activity was detected Tuesday near North Korea's nuclear test site, but there was no immediate confirmation from Pyongyang or Seoul on whether the secretive police state had carried out its third nuclear test. The tremor follows weeks of North Korean threats to build up its nuclear capacity and carry out an "all-out action of high intensity." Read more at: http://www.washingtonpost.com/world/asia_pacific/in-north-korea-seismic-activity-detected-near-nuclear-test-site/2013/02/11/1fcf0e4a-74c9-11e2-95e4-6148e45d7adb_story.html