New PDF release: Earthquake Source Mechanics

By Agustín Udías, Raúl Madariaga, Visit Amazon's Elisa Buforn Page, search results, Learn about Author Central, Elisa Buforn,

ISBN-10: 087590405X

ISBN-13: 9780875904054

ISBN-10: 1118664868

ISBN-13: 9781118664865

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Published by means of the yank Geophysical Union as a part of the Geophysical Monograph Series.

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Following the sliding, areobserved. Following theonset onsetof ofstick-slip stick-slip sliding,shear shear stresses on from stresses onthe thefault faultrapidly rapidlydecrease decrease fromtheir theirpeak peaklevels levels to to lower lowerresidual residualsliding slidingstress stresslevels. In In general, general,the the stress stress drops observed during stick-slip are approximately 10% of Stress are of the the average averageapplied appliedshear shearstresses. stresses. Stresschanges changes are dropsobserved duringstick-slip areapproximately 10% compared to based on constitutive compared tocalculations calculations based ontwo twospecific specific constitutive friction at friction models modelswhich whichare are interchangeable interchangeable at low lowslip sliprates rates thermore, Ida [1973] [1973] has has used used the slip weakening-type weakening-type of of thermore,Ida the slip cohesive seismic ground cohesivezone zone model model to determine determine seismic ground motion motion parameters and to the effects effects of fault model model parametersand to demonstrate demonstrate the of fault parameters parameterson on ground groundmotion.

0. At the beginningof eachsimulation0 = 107seconds. 1 for curves A, B and C, respectively.

055 053 time time (b) Fig. 4. (a) Normalized stressandfaultdisplacement data. (b) Calculated/•usingequation (6a). ½) c•ul• • u•i• •u•ion (•). 01,and f3: 25 t•m/s. 0 + •n(V/7,) Cl In this study, we focuson two questions. •o• ½1f2 is the simplerform (2) adequate,or is it necessary (s) to incorporatethe high-speedcutoffs to the velocityand state-relatedeffects? However,at largeV, the additiveconstant termsin the logarithms dominatein (1). As V increases, ½1 ½2 Clf2 0 will decreaseuntil cs0 << 1 and f3/V << 1.

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Earthquake Source Mechanics by Agustín Udías, Raúl Madariaga, Visit Amazon's Elisa Buforn Page, search results, Learn about Author Central, Elisa Buforn,


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