US Korea Institute

Sunday May 28th 2017
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Posts Tagged ‘david coblentz’

Response to So Gu Kim Regarding Geo-Positioning of North Korea’s Past Nuclear Tests

Response to So Gu Kim Regarding Geo-Positioning of North Korea’s Past Nuclear Tests

We at 38 North are always grateful for reader responses and critical commentary that can further the informed dialogue on the topics posted here. We appreciate the questions and comments by So Gu Kim on the recent analysis by Frank Pabian and David Coblentz of the Punggye-ri Nuclear Test Site. Nonetheless, we have consulted with the authors [...]

North Korea’s Punggye-ri Nuclear Test Site: Analysis Reveals Its Potential for Additional Testing with Significantly Higher Yields

North Korea’s Punggye-ri Nuclear Test Site: Analysis Reveals Its Potential for Additional Testing with Significantly Higher Yields

Abstract Commercial satellite imagery of the Punggye-ri Nuclear Test Site shows that substantial tunnel excavation is continuing at the “North” Portal (previously the “West” Portal), which provided support for the last four of the five declared underground nuclear tests conducted by the Democratic People’s Republic of Korea. The North [...]

Surface Disturbances at the Punggye-ri Nuclear Test Site: Another Indicator of Nuclear Testing?

Surface Disturbances at the Punggye-ri Nuclear Test Site: Another Indicator of Nuclear Testing?

Abstract A review of available very high-resolution commercial satellite imagery (bracketing the time of North Korea’s most recent underground nuclear test on September 9, 2016 at the Punggye-ri nuclear test site) has led to the detection and identification of several minor surface disturbances on the southern flank of Mt. Mantap. These [...]

Credit for photo of young North Korean girl: T.M. All rights reserved, used with permission.