Physics
Scientific paper
Mar 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987e%26psl..82..107s&link_type=abstract
Earth and Planetary Science Letters (ISSN 0012-821X), vol. 82, no. 1-2, March 1987, p. 107-113. Research supported by the Petrol
Physics
7
Geodynamics, Indian Ocean, Plates (Tectonics), Seismology, Stress Concentration, Earthquakes, Himalayas, Lithosphere, Stress Distribution, Subduction (Geology), Thermoelasticity
Scientific paper
It is argued that though thermoelastic stresses provide a low level background in all plates, the data favoring their contributing significantly to the stress field and seismicity in the young oceanic lithosphere may be interpreted in terms of stresses resulting from individual plate geometry and local boundary effects. The dramatic concentration of extensional seismicity in the Central Indian Ocean region is shown to be consistent with finite element results for the intraplate stress incorporating the effects of the Himalayan collision and the various subduction zones. Most of the data for both ridge-parallel extension and depth stratification are provided by earthquakes in this area, and it is suggested that these effects may be due more to the regional stress.
Cloetingh Sierd
Stein Seth
Wiens Douglas A.
Wortel Rinus
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