<Tr> <Td> (Full screen) </Td> </Tr> <Tr> <Td> Location of North Korea's Nuclear tests </Td> </Tr> <Table> North Korea's nuclear tests series tests and detonations <Tr> <Th> Sequence </Th> <Th> Date time (UT) </Th> <Th> Local time zone ​ </Th> <Th> Location </Th> <Th> Elevation, depth </Th> <Th> Delivery </Th> <Th> Yield </Th> <Th> Fallout </Th> <Th> References </Th> </Tr> <Tr> <Th> (1) </Th> <Td> 000000002006 - 10 - 09 - 0000 9 October 2006 01: 35: 27 </Td> <Td> KST (+ 9 hrs) </Td> <Td> Punggye - ri Test Site, North Korea 41 ° 17 ′ 06" N 129 ° 06 ′ 30" E ﻿ / ﻿ 41.28505 ° N 129.1084 ° E ﻿ / 41.28505; 129.1084 ﻿ ((1)) </Td> <Td> 001030! 1,340 m (4,400 ft), 310 m (1,020 ft) </Td> <Td> underground </Td> <Td> 000010000! 0.7 - 2 kt </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="8"> <Ul> <Li> Possibly a fizzle . East Tunnel approximately 1 km NE from the entrance . </Li> <Li> The Federal Institute for Geosciences and Natural Resources, a state - run geology research institute in Germany, estimated the yield at 2 kilotons back in 2013 but has since revised to 0.7 kt . </Li> </Ul> </Td> </Tr> <Tr> <Th> (2) </Th> <Td> 000000002009 - 05 - 25 - 0000 25 May 2009 00: 54: 43 </Td> <Td> KST (+ 9 hrs) </Td> <Td> Punggye - ri Test Site, North Korea 41 ° 17 ′ 29" N 129 ° 04 ′ 54" E ﻿ / ﻿ 41.29142 ° N 129.08167 ° E ﻿ / 41.29142; 129.08167 ﻿ ((2)) </Td> <Td> 000850! 1,340 m (4,400 ft), 490 m (1,610 ft) </Td> <Td> underground </Td> <Td> 000040000! 2 - 5.4 kt </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="8"> <Ul> <Li> West Tunnel at about 1.2 km NW from the tunnel entrance . </Li> <Li> The Federal Institute for Geosciences and Natural Resources, a state - run geology research institute in Germany, estimated the yield at 13 kt back in 2013 but has since revised to 5.4 kt . </Li> </Ul> </Td> </Tr> <Tr> <Th> (3) </Th> <Td> 000000002013 - 02 - 12 - 0000 12 February 2013 02: 57: 51 </Td> <Td> KST (+ 9 hrs) </Td> <Td> Punggye - ri Test Site, North Korea 41 ° 16 ′ 05" N 129 ° 04 ′ 51" E ﻿ / ﻿ 41.26809 ° N 129.08076 ° E ﻿ / 41.26809; 129.08076 ﻿ ((3)) </Td> <Td> 000340! 1,340 m (4,400 ft), 1,000 m (3,300 ft) </Td> <Td> underground </Td> <Td> 000070000! 6 - 16 kt </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="8"> <Ul> <Li> Likely the test took place in the West Tunnel . South tunnel damaged by flooding in 2012 . </Li> <Li> The Federal Institute for Geosciences and Natural Resources, a state - run geology research institute in Germany, estimated the yield at 40 kilotons back in 2013 but has since revised the yield as 14 kT . </Li> <Li> The University of Science and Technology of China estimates the yield at around 12.2 kt, with a margin of error of 3.8 kt . Hence the max yield could be 16kT for this test . </Li> </Ul> </Td> </Tr> <Tr> <Th> (4) </Th> <Td> 000000002016 - 01 - 06 - 0000 6 January 2016 01: 30: 01 </Td> <Td> PYT (+ 8: 30 hrs) </Td> <Td> Punggye - ri Test Site, North Korea 41 ° 18 ′ 32" N 129 ° 02 ′ 02" E ﻿ / ﻿ 41.30900 ° N 129.03399 ° E ﻿ / 41.30900; 129.03399 ﻿ ((4)) </Td> <Td> <P> 1,340 m </P> <P> (4,400 ft), </P> <P> 1,000 m </P> <P> (3,300 ft) </P> </Td> <Td> underground </Td> <Td> 000100000! 7 - 16.5 kt </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="8"> <Ul> <Li> Claimed to be a hydrogen bomb . </Li> <Li> Federal Institute for Geosciences and Natural Resources has originally estimated the yield as 14kT but has since revised to 10kT . </Li> <Li> The University of Science and Technology of China estimates the yield at around 11.3 kt, with a margin of error of 4.2 kt . Hence the max yield could be 16.5 kT for this test . </Li> </Ul> </Td> </Tr> <Tr> <Th> (5) </Th> <Td> 000000002016 - 09 - 09 - 0000 9 September 2016 00: 30: 01 </Td> <Td> PYT (+ 8: 30 hrs) </Td> <Td> Punggye - ri Test Site, North Korea 41 ° 17 ′ 53" N 129 ° 00 ′ 54" E ﻿ / ﻿ 41.298 ° N 129.015 ° E ﻿ / 41.298; 129.015 ﻿ ((5)) </Td> <Td> <P> 1,340 m </P> <P> (4,400 ft), </P> <P> 1,000 m </P> <P> (3,300 ft) </P> </Td> <Td> underground </Td> <Td> 000150000! 15 - 25 kt </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="8"> <Ul> <Li> North Korea announced that this is a successful test of a warhead that can be mounted onto a rocket . </Li> <Li> Siegfried S. Hecker, former director of the Los Alamos National Laboratory, estimated yield at 15 to 25 kt </Li> <Li> Federal Institute for Geosciences and Natural Resources has initially estimated the yield as 25 kt </Li> <Li> The University of Science and Technology of China estimates the yield at around 17.8 kt, with a margin of error of 5.9 kt . </Li> </Ul> </Td> </Tr> <Tr> <Th> (6) </Th> <Td> 000000002017 - 09 - 03 - 0000 3 September 2017 03: 30: 01.940 </Td> <Td> PYT (+ 8: 30 hrs) </Td> <Td> Punggye - ri Test Site, North Korea 41 ° 20 ′ 35" N 129 ° 02 ′ 10" E ﻿ / ﻿ 41.343 ° N 129.036 ° E ﻿ / 41.343; 129.036 ﻿ ((2)) </Td> <Td> 000000! 1,340 m (4,400 ft), 0 m (0 ft) </Td> <Td> underground </Td> <Td> 000100000! 50 - 250 kt </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="8"> <Ul> <Li> Claimed to be a hydrogen bomb (but may only be a boosted fission weapon rather than an actual staged Teller--Ulam thermonuclear weapon). </Li> <Li> On 3 September, South Korea's weather agency, the Korea Meteorological Administration, estimated that the nuclear blast yield of the presumed test was between 50 and 60 kilotons based on a magnitude 5.6 detection . </Li> <Li> South Korean Government's initial yield estimate is 100 kt, and it detected a 5.7 magnitude earthquake, </Li> <Li> NORSAR Seismology Center initial estimate is 120 kt, based on a magnitude 5.8 tremor . On 12 Sept 2017, it has since revised the estimates to 250 kt based on a magnitude 6.1 instead . </Li> <Li> The German Federal Institute for Geosciences and Natural Resources estimate is "a few hundred kt", based on a 6.1 detected tremor . The Japan Meteorological Agency also detected a 6.1 magnitude tremor . </Li> <Li> from USGS: "(Magnitude) 6.3 Explosion...Possible explosion, located near the site where North Korea has detonated nuclear explosions in the past . If this event was an explosion, the USGS National Earthquake Information Center cannot determine its type, whether nuclear or any other possible type ." Depth and lat / lon location approximate . </Li> <Li> The China Earthquake Administration also detected a 6.3 magnitude earthquake . </Li> <Li> The University of Science and Technology of China estimated the yield at 108.1 ± 48.1 kt . </Li> <Li> The Geophysical Service of the Russian Academy of Sciences registered a 6.4 magnitude earthquake . </Li> <Li> Paul Richards, nuclear seismic research scientist at Lamont - Doherty Earth Observatory said, "The explosion appears to be the largest since China surprised the world with a magnitude 6.5 nuclear test in May 1992...The main point: this was a huge explosion, probably hundreds of kilotons, and larger than any of those conducted by the Soviet Union and the United States since 1976 ." He also said that "Tentatively, I'd put today's test at around 250 kilotons with a factor of uncertainty around 2 until we get better information on the depth at which it was carried out" </Li> <Li> U.S. intelligence: 140kt with unspecified margin of error . </Li> <Li> Japanese Government: 160kt </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> Sequence </Th> <Th> Date time (UT) </Th> <Th> Local time zone ​ </Th> <Th> Location </Th> <Th> Elevation, depth </Th> <Th> Delivery </Th> <Th> Yield </Th> <Th> Fallout </Th> <Th> References </Th> </Tr>

Where did north korea test its nuclear weapons