Back to Search Start Over

Motion of an Antarctic glacier by repeated tidally modulated earthquakes

Authors :
Lucas K. Zoet
Andrew A. Nyblade
Richard B. Alley
Sridhar Anandakrishnan
Douglas A. Wiens
Source :
Nature Geoscience. 5:623-626
Publication Year :
2012
Publisher :
Springer Science and Business Media LLC, 2012.

Abstract

Subglacial seismicity reveals information about glacier behaviour. Analysis of repeated seismic events beneath an Antarctic outlet glacier is consistent with sliding of debris-laden ice over a bedrock asperity with an event frequency that is modulated by the ocean tides.

Subjects

Subjects :
geography
geography.geographical_feature_category
Ice stream
Bedrock
Glacier
Induced seismicity
Glacier morphology
Glacial earthquake
General Earth and Planetary Sciences
Ocean tide
Geomorphology
Seismology
Geology
Asperity (materials science)

Details

ISSN :
17520908 and 17520894
Volume :
5
Database :
OpenAIRE
Journal :
Nature Geoscience
Accession number :
edsair.doi...........d6fc72d2de5125e9c4e4f8eb318bc083
Full Text :
https://doi.org/10.1038/ngeo1555
Full Text Access
View/download PDF

Tools

Authors Abstract Subjects Details