Authors: Arun Vishwanathan, S. Chandrashekar, L.V. Krishnan and Lalitha Sundaresan
Published as ISSSP Report 01-2016, January 10, 2015
On January 6, 2016, two days short of Kim JongUn’s birthday, the Democratic Peoples’ Republic of Korea (DPRK) conducted its fourth nuclear test. The test took place at 10:30 AM Local Time (01:30:00 UTC). An analysis of the seismic data from the test, clearly points to the fact that the earthquake (with a magnitude of 4.85 on the Richter scale) was the result of a nuclear test and not due to a natural earthquake. North Korea released a statement following the test which claimed that it had conducted a nuclear test and had exploded its first H-bomb.
North Korea has conducted four nuclear tests in 2006, 2009, 2013 and 2016. the first test in October 2006 with a yield of ~1kT was a fizzle. This was followed by the second test in May 2009. Though there are differences over the exact yield of the test with estimates ranging from 2.4 kT to 5 kT it is considered to be a success. The third test in February 2013 had a yield around 10 kT.
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