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Title: The rise, collapse, and compaction of Mt. Mantap from the 3 September 2017 North Korean nuclear test
Authors: Wang, Teng
Shi, Qibin
Nikkhoo, Mehdi
Wei, Shengji
Barbot, Sylvain
Dreger, Douglas
Bürgmann, Roland
Motagh, Mahdi
Chen, Qi-Fu
Keywords: Science::Geology
Nuclear Test
Issue Date: 2018
Source: Wang, T., Shi, Q., Nikkhoo, M., Wei, S., Barbot, S., Dreger, D., . . . Chen, Q.-F. The rise, collapse, and compaction of Mt. Mantap from the 3 September 2017 North Korean nuclear test. Science, 361(6398), 166-170. doi:10.1126/science.aar7230
Series/Report no.: Science
Abstract: Surveillance of clandestine nuclear tests relies on a global seismic network, but the potential of spaceborne monitoring has been underexploited. We used satellite radar imagery to determine the complete surface displacement field of up to 3.5 meters of divergent horizontal motion with 0.5 meters of subsidence associated with North Korea’s largest underground nuclear test. Combining insight from geodetic and seismological remote sensing, we found that the aftermath of the initial explosive deformation involved subsidence associated with subsurface collapse and aseismic compaction of the damaged rocks of the test site. The explosive yield from the nuclear detonation with best-fitting source parameters for 450-meter depth was 191 kilotonnes of TNT equivalent. Our results demonstrate the capability of spaceborne remote sensing to help characterize large underground nuclear tests.
ISSN: 0036-8075
DOI: 10.1126/science.aar7230
Rights: © 2018 The Author(s). All rights reserved. This paper was published by American Association for the Advancement of Science in Science and is made available with permission of The Author(s).
Fulltext Permission: open
Fulltext Availability: With Fulltext
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EOS Journal Articles

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