Special Event: 2017 North Korean nuclear test

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On 2017-09-03 at 03:30:01 UTC, a magnitude 6.3 event was recorded in North Korea. Preliminary results suggests that a nuclear test took place.

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Event parameters (from USGS)

These are preliminary results and are subject to change without notice. Please check the USGS page for the latest official information.

Magnitude 6.3
UTC Time Sunday September 3, 2017 at 03:30:01.940 UTC
Location 41.343°N, 129.036°E
Depth 0.0km (0.0 miles)
Region ENE of Sungjibaegam, North Korea
Distance 22km ENE of Sungjibaegam, North Korea
Details USGS

USGS Summary pages for the six North Korea events

6) M6.3 2017-09-03 03:30:01 UTC, 41.343°N, 129.036°E, depth 0 km
● Mb 6.3 (US)

5) M5.3 2016-09-09 00:30:01 UTC, 41.287°N, 129.078°E, depth 0 km
● mb 5.3 (US)

4) M5.1 2016-01-06 01:30:01 UTC, 41.300°N, 129.047°E, depth 0 km
● Mb 5.1 (US)

3) M5.1 2013-02-12 02:57:51 UTC, 41.299°N, 129.004°E, depth 0 km
● Mb 5.1 (US)


2) M4.7 2009-05-25 00:54:43 UTC, 41.303°N, 129.037°E, depth 0 km
● Mb 4.7 (US)


1) M4.3 2006-10-09 01:35:28 UTC, 41.294°N, 129.094°E, depth 0 km
● Mb 4.3 (US)


38 NORTH (apparent landslides), North Korea’s Sixth Nuclear Test: A First Look
North Korea’s Punggye-ri Nuclear Test Site: Satellite Imagery Shows Post-Test Effects and New Activity in Alternate Tunnel Portal Areas
CTBTO Technical Findings
CTBTO summary page
Lassina Zerbo, CTBTO data ATM modelling shows day-by-day trajectory of potential radionuclide release (Animated GIF)
NORSAR Information on Large nuclear test in North Korea on 3 September 2017
Beijing National Earth Observatory
North Korea’s 2017 test and its non-tectonic aftershock
UST, China
U of Science & Technology of China summary page
URI Seismology
URI Seismology, North Korea Nuclear Tests
Meng (Matt) Wei’s Lab at URI, North Korea Nuclear Test
IRIS Special Events Archive
2017-09-03 mb6.3 North Korea event waveform data request via IRIS DMC Wilber 3

  • S.J. Gibbons, F. Pabian, S.P. Näsholm, T. Kværna, S. Mykkeltveit; Accurate relative location estimates for the North Korean nuclear tests using empirical slowness corrections, Geophysical Journal International, Volume 208, Issue 1, 1 January 2017, Pages 101–117, https://doi:10.1093/gji/ggw379


North Korea test site

[NORSAR / Jan Petter Hansen] North Korea test site.

Update of DPRK announced nuclear test yield estimates

[Lassina Zerbo, CTBTO] Update of DPRK announced nuclear test yield estimates from different
sources based on CTBTO data & comparing previous tests.

[Mat Wei, University of Rhode Island] Preliminary interferometric synthetic aperture radar (InSAR)
observation of the North Korea event.

NORSAR All NK Events

[NORSAR / Jan Petter Hansen] Comparison of all 6 North Korea nuclear tests

A moment tensor solution by Douglas Dreger, UC Berkeley

[Douglas Dreger, UC Berkeley] Source-type inversion result for the DPRK nuclear test.

The relative source time function at stations MDJ and INCN

[Esteban J. Chaves, University of California, Santa Cruz] The relative source time function at
stations MDJ and INCN computed for the North Korean nuclear test.

Determination of the source locations of the recent tests

[Yang Shen, Graduate School of Oceanography, University of Rhode Island]
Determination of the source locations of the recent tests based on modeling
seismic waves scattered by surface topography.

Map showing North Korea’s 2017/09/03 and 2016/09/09 nuclear test sites

[Lianxing Wen’s Group, U of Science & Technology of China] Map showing North Korea’s
2017/09/03 and 2016/09/09 nuclear test sites (red star), seismic stations (triangles) that
recorded high-quality waveforms for both tests, and observed vertical components of seismic
waveforms. Seismic waveforms are self-normalized and labeled with station names and the year
of the test.

Comparison plot of the six most recent and largest North Korea tests

[Kasey Aderhold, IRIS] Comparison plot of the six most recent and largest North Korea tests,
with amplitudes both normalized and not normalized.Maps shows the locations of the tests
and the test site relative to the seismic station.

Andy Frassetto, IRIS

[Andy Frassetto, IRIS] The M6.3 seismic event (nuclear/H-bomb? explosion)
in North Korea recorded at nearby seismometer compared to their last nuclear test (M5.3).

IRIS DMC EventPlots

[IRIS DMC] Event Plot data product.

Videos & Animations

The atmospheric transport simulation

[The The Comprehensive Nuclear-Test-Ban Treaty Organization,CTBTO] The
atmospheric transport simulation based on the hypothesis that a release of radionuclides
occurred immediately and continuously from the location of the seismic detection (*animated
GIF*, click on image to replay).


[Zhigang Peng, Georgia Tech] Seismic Sound video for the 2017 M6.3 North Korean Nuclear test
and subsequent M4.6 collapse event at station MDJ (click on the image to download).

IRIS DMC Event Page

The IRIS DMC event page for this event contains links to additional tools and data.


Special Events IRIS seismic North Korea Nuclear Test

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