TERRAPUB Earth, Planets and Space

Earth Planets Space, Vol. 52 (No. 10), pp. 727-730, 2000


Present-day crustal motion in Papua New Guinea

Paul Tregoning1, Herb McQueen1, Kurt Lambeck1, Russell Jackson2, Rod Little2, Steve Saunders3, and Robert Rosa4

1Research School of Earth Sciences, The Australian National University, Canberra ACT 0200, Australia
2Department of Surveying and Land Studies, Papua New Guinea University of Technology, Lae, Papua New Guinea
3Rabaul Volcano Observatory, Rabaul, Papua New Guinea
4National Mapping Bureau, Papua New Guinea

(Received January 17, 2000; Revised May 19, 2000; Accepted May 22, 2000)

Abstract: Papua New Guinea is one of the most active tectonic regions in the world. It comprises several microplates and deforming zones trapped in the collision of the Australian and Pacific Plates. GPS observations have been used to estimate plate velocities across a network of sites spanning most of the country. We present new velocites in the northwestern region of New Guinea, and look in detail at the strain accumulation region between the South Bismarck and Pacific Plates in the New Ireland/New Britain region.

Corresponding author E-mail: pault@rses.anu.edu.au

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