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Shallow 5.1M Seismic Event: Nuclear Event (detonation suspected), North Korea


Unusual Seismic Event

The earthquake occurred in North Korea, near Sungjibaegam (population 11,786)  on 2016-01-06 at 01:30:01 (UTC).

Epicenter:  41°18’18.0″N 129°02’20.4″E
Location:   21km (13mi) ENE of Sungjibaegam, North Korea
Magnitude: 5.1
Time: 2016-01-06 01:30:01 (UTC)
(Estimated) 0.0 km (0.0 mi) Very Shallow

North Korea Nuclear Test Site

Event Map: M5.1 - 21km ENE of Sungjibaegam, North Korea

Event Map: M5.1 – 21km ENE of Sungjibaegam, North Korea on 2016-01-06 at 01:30:01 (UTC). This is a product of the GEOFON Extended Virtual Network (GEVN) and credit belongs to all involved institutions.

USGS interactive map

M5.1 earthquake 21 km from Sŭngjibaegam, Yanggang-do, North Korea

Recent Earthquakes Near Sŭngjibaegam, Yanggang-do, North Korea

IRIS – MB5.1 North Korea


Waveform: Event plot shows 1 hour of data from the nearest available seismic station in the Global Seismographic Network. Mudanjiang, Heilongjiang Province, China (44.617° N x 129.5908° E)

Interactive Earthquake Browser


350 km SE of Jilin, China / pop: 1,881,977
77 km SW of Ch’ŏngjin, North Korea / pop: 327,000
27 km E of Sŭngjibaegam, North Korea / pop: 11,786

More Information

Geophysical Survey. Russian Academy of Sciences Obninsk, Russia
GeoForschungsZentrum (GEOFON) Potsdam, Germany
IRIS Data Services (DS)
Earthquake Track

Media Analysis

How We Know North Korea Didn’t Actually Detonate a Hydrogen Bomb – A look at the evidence nuclear weapons experts used to analyze North Korea’s nuclear test.

North Korea Says It Has Conducted a Hydrogen Bomb Test
N. Korea announces successful test of hydrogen bomb
The Political Fallout From North Korea’s ‘Hydrogen Bomb’ Test
(News Focus) H-bomb test claim shows N.K. has no intention of negotiating away nuclear program: U.S. experts
5.1 magnitude quake detected close to North Korea nuclear test site

This detonation was the exact same strength as last time, excluding depth, etc.

See Also

Science can tell if North Korea’s test was really an H-bomb

The Radioactive Signature of the Hydrogen Bomb

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