Registering some 10 kilotons, according to reports from South Korea, the blast was apparently twice as powerful as the last test in January. Both are significant increases in explosive power from the first **rth Korean test in October 2006, which U.S. intelligence officials estimated to be around 1 kiloton.
The numbers are hard to verify, but the test — which registered as a 5.3 magnitude earthquake in the **rtheast of the country - *angered the international community, particularly South Korea, Japan and the U.S., which view the **rth as a significant threat. Read more...