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Antarctic seismicity and neotectonics


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Reading, AM ORCID: 0000-0002-9316-7605 2002 , 'Antarctic seismicity and neotectonics', in J.A. Gamble and D.N.B. Skinner and S. Henrys (eds.), Antarctica at the close of a millennium , Royal Society of New Zealand Bulletin, vol. 35 , The Royal Society of New Zealand, Wellington, NZ, pp. 479-484.

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A map of Antarctic intraplate earthquakes, 1900-99, is presented including records from the Global Seismic Network and recordings made at Antarctic seismic observatories and temporary stations. The results show a low but significant level of seismicity through the Transantarctic Mountains and across George V Land to Adelie Land. They also suggest some seismic deformation is taking place in the Antarctic Peninsula, Weddell Sea, East Antarctic coast, and Ross Sea. No globally recorded events have occurred in Marie Byrd Land to date. Local recordings across the continent show that a denser distribution of recording stations is needed before drawing conclusions from areas of apparent Antarctic aseismicity. This review is one of the first contributions to the SCAR-approved ANTEC initiative, which aims to co-ordinate work on neotectonic deformation across the continent.

Item Type: Book Section
Authors/Creators:Reading, AM
Keywords: Antarctica, seismicity, neotectonics, tectonics, lithosphere, glacial isostatic adjustment
Journal or Publication Title: Royal Society of New Zealand Bulletin
Publisher: The Royal Society of New Zealand
Additional Information:

Paper first presented at Proceedings of the 8th International Symposium on Antarctic Earth Sciences, Wellington, New Zealand, July 1999. Edited by: J.A. Gamble, D.N.B. Skinner, and S. Henrys

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