Unusual seismic activity detected near N. Korea nuclear test site

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.”

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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