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The Fingerprints of Flexure in Slab Seismicity

Sandiford, Dan; Moresi, Louis; Sandiford, Michael. A; Farrington, R; Yang, Ting


Earthquake moment tensors in eastern Pacific (ePac) slabs typically show downdip tensional (DT) axes, whereas in the western Pacific (wPac), they typically show downdip compressional (DC) axes or have mixed orientations indicative of unbending. Prevailing conceptual models emphasize uniform stress/deformation modes, that is, bulk slab stretching or shortening, as the dominant control on intermediate depth seismic expression. In contrast, we propose that a diversity of seismic expression,...[Show more]

CollectionsANU Research Publications
Date published: 2020-06-22
Type: Journal article
Source: Tectonics
DOI: 10.1029/2019TC005894
Access Rights: Open Access


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