Seismological Constraints on Proposed Low-Yield Nuclear Testing in Particular Regions and Time Periods in the Past,

Schaff, David P.; Kim, Won-Young; Richards, Paul G.

We have attempted to detect seismic signals from small explosions in North Korea on five specific days in 2010 that feature in scenarios proposed by De Geer. We searched the seismic data recorded by station MDJ in northeastern China, applying three-component cross-correlation methods using signals from known explosions as templates. We assess the capability of this method of detection, and of simpler methods, all of which failed to find seismic signals that would be expected if De Geer's scenarios were valid. We conclude that no well-coupled underground explosion above about a ton occurred near the North Korea test site on these five days and that any explosion would have to be very small (local magnitude less than about 2) to escape detection.

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Taylor and Francis Group

More About This Work

Academic Units
Lamont-Doherty Earth Observatory
Seismology, Geology, and Tectonophysics
Published Here
November 13, 2012