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The 3 May 2006 (Mw 8.0) and 19 March 2009 (Mw 7.6) Tonga earthquakes: Intraslab compressional faulting below the megathrust

Meng, Qingjun; Heeszel, David S.; Ye, Lingling; Lay, Thorne; Wiens, D A; Jia, Minghai; Cummins, Phil


The Tonga subduction zone is among the most seismically active regions and has the highest plate convergence rate in the world. However, recorded thrust events confidently located on the plate boundary have not exceeded M<inf>w</inf> 8.0, and the historic record suggests low seismic coupling along the arc. We analyze two major thrust fault earthquakes that occurred in central Tonga in 2006 and 2009. The 3 May 2006 M<inf>w</inf> 8.0 event has a focal mechanism consistent with interplate...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Journal of Geophysical Research: Solid Earth
DOI: 10.1002/2015JB012242


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