North Korea Nuclear Test 25 May 2009 : 20 Kiloton Underground Test Creates 4.7 Earthquake at 41.331°N, 129.011°E

When the US Geological Survey announced automatically that a 4.7 earthquake happened in North Korea, suspicions were immediatley aroused.

Within moments intelligence agenicies around the world were working to confrim if this was actually North Koreas second attempts at testing a nuclear weapon.

The suspiciouns were right, with Russia and several other nations saying North Korea had indeed tested a nuclear wepon at 9.54 am local time on May 25 2009.

The test happened at 41.331°N, 129.011°E according to USGS data 235 miles North East of the North Korean capital and not far from the China-North Korea border.

North Korea said it had, not long after the 4.7 quake, tested a "successful" underground nuclear test.

A state run news agency said the May 25 nuclear test was more powerful than the previous test in October of 2006.

The South Korea's president said an emergency security meeting was to be called and news reports said an unhappy Japan is setting up a task force in the prime minister's office.

In another testing move, North Korea fired a short-range missile, South Korea's Yonhap news agency reported.

Following the announcement of North Korea's latest nuclear test on Monday, Japanese Foreign Ministry spokesman Kazuo Kodama said Tokyo would respond "in a responsible fashion" at the UN, without giving further details.

Russia's UN ambassador said an emergency meeting of the Security Council would be held later on Monday.

Russian military said that it belived the underground May 25 2009 nuclear test by North Korea had the force of around 20 kilotons, about the size of the blast that destroyed much of the Japanese city of Nagasaki in the Second World War.

Via: BBC TV, Reuters, AP reports