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Large Isotropic Component in the Source Mechanism of the 2013 Democratic People's Republic of Korea Nuclear Test Revealed via a Hierarchical Bayesian Inversion

Mustac, Marija; Hejrani, Babak; Tkalcic, Hrvoje; Kim, Seongryong; Lee, Sang-Jun; Cho, Chang-Soo


The 12 February 2013 nuclear test conducted by the Democratic People's Republic of Korea stands out among other nuclear tests because it produced unusually large transversal motions. Previous studies found various percentages of isotropic components of the seismic moment tensor (MT), which opens up an important question about the reliability of the methods and assumptions we routinely use to recover the seismic MT in the point source approximation. Of particular interest is the data noise model...[Show more]

CollectionsANU Research Publications
Date published: 2020-01-14
Type: Journal article
Source: Bulletin of the Seismological Society of America
DOI: 10.1785/0120190062


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