Mathematics – Logic
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....88.6455w&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 88, Aug. 10, 1983, p. 6455-6468. Research supported by the Petroleum Rese
Mathematics
Logic
174
Earthquakes, Geochronology, Lithosphere, Ocean Bottom, Planetary Evolution, Plates (Tectonics), Depth, Geological Faults, Olivine, Planetary Temperature, Rock Mechanics, Seismic Waves
Scientific paper
The present investigation is concerned with the determination of the depths for 16 oceanic intraplate earthquakes using body wave modeling. It is found that oceanic intraplate earthquake depths show a clear deepening of the maximum focal depth with increasing lithospheric age. The thickness of the lithosphere in which oceanic intraplate earthquakes occur is approximately equal to or slightly greater than the flexural elastic thickness, but is much less than the seismic thickness determined from surface wave dispersion. Oceanic intraplate earthquakes are found to occur at greater depths and temperatures than has been previously observed for continental crustal events.
Stein Sherman
Wiens Douglas A.
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