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Evidence for active subduction at the New Guinea Trench

Tregoning, Paul; Gorbatov, A.

Description

Recent seismic tomography imaging shows clear evidence for southwestward subduction along the entire length of the New Guinea Trench (NGT) in Indonesia and Papua New Guinea. Viewed in conjunction with the occurrence of large (Mw > 7) thrust earthquakes that are known to have occurred on the trench, this confirms conclusions of earlier studies that the NGT is an active, inter-plate boundary. The ∼650 km long slab is visible to a depth of about 300 km and subducts with a dip angle that varies...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/80717
Source: Geophysical Research Letters
DOI: 10.1029/2004GL020190

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