Stress magnitude estimates from earthquakes in oceanic plate interiors

R. Govers; M. J.R. Wortel; S. A.P.L. Cloetingh; C. A. Stein

Stress magnitude estimates from earthquakes in oceanic plate interiors

R. Govers, M. J.R. Wortel, S. A.P.L. Cloetingh, C. A. Stein

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Abstract

Proposes a method to estimate stress magnitudes in oceanic plate interiors from focal depths and focal mechanisms. Using a depth-dependent rheology, it is possible to estimate the differential stress (σ₁-σ₃), averaged over some reference lithospheric thickness. The resolving power of the method is investigated by evaluating the effect of uncertainties in parameters that are involved in the analysis. The method is applied to the Central Indian Ocean, where intraplate seismicity is high. From well-studied earthquakes we estimate differential stresses of the order of hundreds of megapascals. -from Authors

Original language	English
Journal	Journal of Geophysical Research
Volume	97
Issue number	B8
Publication status	Published - 1992

Cite this

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title = "Stress magnitude estimates from earthquakes in oceanic plate interiors",

abstract = "Proposes a method to estimate stress magnitudes in oceanic plate interiors from focal depths and focal mechanisms. Using a depth-dependent rheology, it is possible to estimate the differential stress (σ1-σ3), averaged over some reference lithospheric thickness. The resolving power of the method is investigated by evaluating the effect of uncertainties in parameters that are involved in the analysis. The method is applied to the Central Indian Ocean, where intraplate seismicity is high. From well-studied earthquakes we estimate differential stresses of the order of hundreds of megapascals. -from Authors",

author = "R. Govers and Wortel, {M. J.R.} and Cloetingh, {S. A.P.L.} and Stein, {C. A.}",

year = "1992",

language = "English",

volume = "97",

journal = "Journal of Geophysical Research",

issn = "0148-0227",

publisher = "American Geophysical Union",

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TY - JOUR

T1 - Stress magnitude estimates from earthquakes in oceanic plate interiors

AU - Govers, R.

AU - Wortel, M. J.R.

AU - Cloetingh, S. A.P.L.

AU - Stein, C. A.

PY - 1992

Y1 - 1992

N2 - Proposes a method to estimate stress magnitudes in oceanic plate interiors from focal depths and focal mechanisms. Using a depth-dependent rheology, it is possible to estimate the differential stress (σ1-σ3), averaged over some reference lithospheric thickness. The resolving power of the method is investigated by evaluating the effect of uncertainties in parameters that are involved in the analysis. The method is applied to the Central Indian Ocean, where intraplate seismicity is high. From well-studied earthquakes we estimate differential stresses of the order of hundreds of megapascals. -from Authors

AB - Proposes a method to estimate stress magnitudes in oceanic plate interiors from focal depths and focal mechanisms. Using a depth-dependent rheology, it is possible to estimate the differential stress (σ1-σ3), averaged over some reference lithospheric thickness. The resolving power of the method is investigated by evaluating the effect of uncertainties in parameters that are involved in the analysis. The method is applied to the Central Indian Ocean, where intraplate seismicity is high. From well-studied earthquakes we estimate differential stresses of the order of hundreds of megapascals. -from Authors

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M3 - Article

AN - SCOPUS:0027083786

SN - 0148-0227

VL - 97

JO - Journal of Geophysical Research

JF - Journal of Geophysical Research

IS - B8

ER -

Stress magnitude estimates from earthquakes in oceanic plate interiors

Abstract

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