508L14.20.4.07 - Mechani cs of Ear t hquakes and Mechani cs...

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Unformatted text preview: Mechani cs of Ear t hquakes and Mechani cs of Ear t hquakes and Faul t i ng Faul t i ng 20 Apr . 2007 Hanks Paper ( At l east : abst r act , eq ns 1- 4, Fi gur es 1- 3) Scal i ng l aws Ear t hquake Sour ce Pr oper t i es and Scal i ng Ear t hquake Sour ce Pr oper t i es, Spect r a, Scal i ng, Sel f - si m i l ar i t y Di spl acement and accel er at i on sour ce spect r a. Spect r a: zer o- f r equency i nt er cept ( M o ) , cor ner f r equency ( o or f c ) , hi gh f r equency decay ( - ) , maxi mum ( obser ved, em i t t ed) f r equency f max log u at R - n l og f r eq. ( ) Aki , Scal i ng l aw of sei sm i c spect r um, JGR, 72, 1217- 1231, 1967. Hanks , b Val ues and - sei sm i c sour ce model s: i mpl i cat i ons f or t ect oni c st r ess var i at i ons al ong act i ve cr ust al f aul t zones and t he est i mat i on of hi gh- f r equency st r ong gr ound mot i on, JGR, 84, 2235- 2242, 1979. - squar e model , - 2 - cube model , - 3 Far - f i el d body- wave spect r a and r el at i on t o sour ce sl i p f unct i on Di spl acement wavef or m f or P & S waves: I n gener al , ver y compl ex. ( x, t ) and ( 29 depend on sl i p f unct i on, azi mut h t o obser ver and r el at i ve i mpor t ance of nucl eat i on and st oppi ng phases Ear t hquake Sour ce Pr oper t i es, Spect r a, Scal i ng, Sel f - si m i l ar i t y log u at R - 3 l og f r eq. ( ) - cube model , - 3 Si m i l ar i t y condi t i on M o L 3 o L- 1 (0 29 o- 3 Thi s def i nes a scal i ng l aw. Spect r al cur ves di f f er by a const ant f act or at a gi ven per i od ( e. g. , 20 s) , but t hey have t he same hi gh- f r eq....
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This note was uploaded on 07/23/2008 for the course GEOSC 508 taught by Professor Marone during the Spring '07 term at Pennsylvania State University, University Park.

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508L14.20.4.07 - Mechani cs of Ear t hquakes and Mechani cs...

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