P and PKP CODA Decay Characteristics for Earthquakes

Abstract

r Mnd PKP codA cltaractori•tic• aro dotormlnod (or oarthquakoa fro• 15 aala•lc raaion• at recorded •t 17 World Wido Standard Soitmoaraph Stations (WWSSS), In dotormlnlna tho coda characterittlca for an event, amplitude moaturumonta, scaled relative to tho larae•t excursion in the coda, aro ••do In tuccoaaivo tlmo wlndow1 1 and tho codM onvolopo obtained by connoctlna tuccottive obtorvatlont. Tho Individual cod• ovoraao coda and 1tandard iloviatlona about tho avoraao cod• a1 ~ function of tiMe into tho coda jln unit• of ~~J aro alvon for oach tot or moature•ent•• Thu coda for event• In a atvon roalon rocordo at a alvon d atanco are found to ho very timllar to tho coda for ovont• fro• another • ro111on rocordod ot tho 11mo dlltanco. That ll, coda charac~rlltlca aro dottrlllnod pr111art ly by tho urlv•J tlmu and •mplitudo of •~aniflcant 1oco11dary phut "-1)1•urther, tho coda ch'ra~torlltlet dotormlnod for lorao ovonta (6,0 mh~7.0) appear ~r,pllcablo t~~m•ller ovent1 (5,0 •~ 6,0) 11 well. llalna d11ta In tho rrrnao 45"<11<80", tho lo~rtorm ••coda daca~ ~n•tant l ror ehp10 tl••• aroaur than four minutu 11 ,0017 per ucond (o•), In tho ranae II •c clos•, the deuy conltant ll 1011owh•t hr11or, heinll on tho or•Jor of ,0037 por tocond, \ \ ' ' a ICI V ~011101 k

Chemical and Regulatory Properties of Phosphorylase Kinase and Cyclic Amp‐Dependent Protein Kinase

“…A similar experiment was also reported by Cohen (16,208), who included EGTA along with CAMP-dependent protein kinase and low concentrations of A T P in his activation mixture. Similar rates and lags were seen for phosphorylation of the subunits.…”