Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/80827
Title: The discovery of a conjugate system of faults in the Wharton Basin intraplate deformation zone
Authors: Singh, Satish Chandra
Hananto, Nugroho
Qin, Yanfang
Leclerc, Frederique
Avianto, Praditya
Tapponnier, Paul E.
Carton, Helene
Wei, Shengji
Nugroho, Adam B.
Gemilang, Wishnu A.
Sieh, Kerry
Barbot, Sylvain
Keywords: Wharton Basin
Great earthquakes
Issue Date: 2017
Source: Singh, S. C., Hananto, N., Qin, Y., Leclerc, F., Avianto, P., Tapponnier, P. E., et al. (2017). The discovery of a conjugate system of faults in the Wharton Basin intraplate deformation zone. Science Advances, 3(1), e1601689-.
Series/Report no.: Science Advances
Abstract: The deformation at well-defined, narrow plate boundaries depends on the relative plate motion, but how the deformation takes place within a distributed plate boundary zone remains a conundrum. This was confirmed by the seismological analyses of the 2012 great Wharton Basin earthquakes [moment magnitude (Mw) 8.6], which suggested the rupture of several faults at high angles to one another. Using high-resolution bathymetry and seismic reflection data, we report the discovery of new N294°E-striking shear zones, oblique to the plate fabric. These shear zones are expressed by sets of normal faults striking at N335°E, defining the direction of the principal compressional stress in the region. Also, we have imaged left-lateral strike-slip faults along reactivated N7°E-oriented oceanic fracture zones. The shear zones and the reactivated fracture zones form a conjugate system of faults, which accommodate present-day intraplate deformation in the Wharton Basin.
URI: https://hdl.handle.net/10356/80827
http://hdl.handle.net/10220/42244
DOI: 10.1126/sciadv.1601689
Research Centres: Earth Observatory of Singapore 
Rights: © 2017 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EOS Journal Articles

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