U.S. OFFICIAL: NORTH KOREA TESTED NUCLEAR WEAPON  —  SEOUL, South Korea — North Korea successfully completed a test of a nuclear weapon late Sunday night, a senior Bush administration official confirmed to FOX News.  —  The official said, however, that the underground blast only measured …

World Leaders Condemn North Korea  —  North Korea said Sunday night that it had set off its first nuclear test, becoming the eighth country in history, and arguably the most unstable and most dangerous, to proclaim that it has joined the club of nuclear weapons states.

Outcry at N Korea 'nuclear test'  —  North Korea's claim to have successfully carried out a nuclear weapon test underground has sparked international condemnation.  —  President George W Bush said the US was working to confirm the claim, which he branded a "provocative" act.

N. Korea Reports 1st Nuclear Arms Test  —  North Korea said Sunday night that it had set off its first nuclear test, becoming the eighth country in history, and arguably the most unstable and most dangerous, to proclaim that it has joined the club of nuclear weapons states.

Russia Flacks For Kim Jong-Il  —  The seismic record of today's nuclear test by North Korea reveals a very small impact, almost so small that nuclear experts wonder if it isn't a hoax by Kim Jong-Il.  Russia, however, wants everyone to know that they're very impressed by the test:

N. Korea Claims Nuclear Test  —  Geologists in South Detect Man-Made Blast  —  North Korea declared on Monday that it had conducted its first nuclear test in defiance of international calls for restraint, claiming to be the world's newest nuclear power.  —  South Korean geological officials …

NORK DATA: It was a DUD [3]  —  HA HA HA HA.  —  I love the US Geological Survey.  —  They've published lat/long (41.294°N, 129.134°E) and Mb estimates (4.2) for the North Korean test.  —  There is lots of data floating around: The CTBTO called it 4.0; The South Koreans report 3.58-3.7.

Analysis: North Korea test a sign of weakness  —  North Korea's probable test of a nuclear weapon on Monday has triggered the second nuclear crisis in 13 years on the Korean peninsula.  —  In 1993, North Korea announced it would pull out of the Nuclear Non-Proliferation Treaty …