Benson Quack (1)

7/23/2019 Benson Quack (1)

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August 13-19,2010

Data Management WorkshopFoz do Iguassu- Brazi

!eismi" #uait$ Assuran"e

Rick Benson

IRIS DMC



August 13-19,2010


Wh$ %outine #uait$

&ontro 'The sooner problems are detected the sooner they can be fxed

• !ensor ma(un"tions, mis"on)gurations,

aging• Digitizer * re"order ma(un"tions• +aut proems titing, setting, et"• &ae * "onne"tion proems• .eemetr$ issues• .iming proems• Man$, man$ other potentia issues



August 13-19,2010


#& at the I%I!-DM&

.he &haenge

A sma numer o( ana$sts tasked to per(orm#& on hundreds o( stations and thousands o(

"hannes /ithout routine eent reie

.he !oution

Minimize manua ana$st ork /oious$ $

automating as man$ measurements andmonitoring s$stems as possie and makingmanua ana$sis as e4"ient as possie



August 13-19,2010


Manua #& at the DM&• +isua reie o( ra data (or see"ted eents and,

important$, see"tions ith no eents

• +isua reie o( )tered /eg 30-300 se"onds datahere sensor proems "an sometimes e dete"ted

e(ore the$ are eident in the un)tered data• 5oarit$ "he"ks using arge eents and the

6uadrant method

• &he"k residuas eteen reieed phase pi"ks andpredi"ted arrias (or gross time or o"ation errors

• %eie o( measurements and aerts (romautomated s$stems

• 7t"



August 13-19,2010


#ui"k 8orizonta 5oarit$

&he"k .he 6uadrant method: aos an ana$st to per(orm a rough "he"k o(

3-"omponent sensor horizonta poarit$

&ompare the 5 ae )rst motion o( a reatie$ arge eent eteen the

3 "omponents to determine a"k azimuth

0º

90º

180º

270º

N out Z out

E outAll in phase

; Assumes < "omponent poarit$ is "orre"t

Aleutian Island event :: Texas, USA station (BA: ~317°)



August 13-19,2010


Automated #& at the DM&Quality Analysis Control it

!Q"AC#

• Automated #& measurements (or in"oming rea-

time data at the DM&• .ra"ks a numer o( simpe parameters /signa

%M!, mean, gaps, oeraps, et" in addition tomore "ompi"ated ana$ses /5!D=5DF, !.A=>.A

• ?enerates dai$ reports, using threshods to"ontro hat in(ormation is in"uded in the reportin order to redu"e the numer o( issues thatneed attention



August 13-19,2010


.ra"king !igna %M!



August 13-19,2010


Dai$ %M! Indi"ates

5roems



August 13-19,2010


.ra"king !igna Mean



August 13-19,2010


.ra"king Data Fo



August 13-19,2010


.ra"king !.A=>.A +aues



August 13-19,2010


5DF o( 5oer !pe"tra

Densit$



August 13-19,2010


&i"kae 5DFs to Find .ime

Dependen"ies



August 13-19,2010


5DF &a"uation

• &urrent impementations re6uire Mini-!77D and!77D /%7!5 s$stem response in(ormation

•5DF "a"uation aaiae in the ne 5#>@ ana$sispa"kage

• An oder stand-aone 5DF pa"kage is aaiaehttp==geohazards"rusgsgo=stae=m"namara=!o

(tare=5DF!Ahtm

• 5DFs "a"uated dai$ (or rea-time data re"eied atthe I%I!-DM&, stored in dataase



o C-1, 2009 Data Management WorkshopFoz do Iguassu- Brazi

.ide Ana$sis• 5rimar$ graitationa tides are predi"tae

• Most seismi" sensors are not designed (or su"h o (re6uen"ies* response in(ormation ma$ not address them

• 5rett$ mu"h on$ a true roadand sensor i re"ord the tides

.he idea"ompare re"orded seismi" data to predi"ted graitationa tides

• .ests oth ae(orm data /poarit$, shape and metadata/instrument response



August 13-19,2010


.ide &omparison at IE!AM>



August 13-19,2010


.ide &omparison at

.A802A



August 13-19,2010


.ide &omparison at 5%I&M



August 13-19,2010


.ide &omparison Without

%esponse In(ormation



August 13-19,2010


.ide 5redi"tion !o(tare

• syntides - !$ntheti" 7arth ?rait$ .ides /I%I!-DM&• utput Mini-!77D, !A& or A!&II tide s$ntheti"s

• &onoes instrument response /!A& (ormat• .ide "a"uation a port o( the !5.> GertidH program

• !5.> - !ome 5rograms (or "ean-.ide >oading• utput A!&II tet

• In"udes so(tare to "a"uate soid earth grait$ tide,o"ean oading "omponents, et"

• Written $ Dun"an Agne, E&!D



August 13-19,2010


!77D Metadata +er)"ation

verseed - eri)es ase !77D data stru"ture and(ormatting /I%I!-DM&

• Works ith (u !77D, dataess and Mini-!77D"omined ith dataess !77D /erseed -a

• In"udes mutipe ees /1-J o( diagnosti"in(ormation

• Basi" metadata eri)"ation ut not responseeauation

• & program that runs on !oaris, >inu and Ma"!@



August 13-19,2010


erseed eampe output



August 13-19,2010 Data Management WorkshopFoz do Iguassu- Brazi

ther erseed 7ampes




!77D %esponse 7auation

evalresp - eauates s$stem ampitude and phaseresponse using !77D %7!5 (ormat & program thatruns on !oaris, >inu * Ma" !@

JEvalResp - Kaa ersion o( earesp, runs an$here Kaa is aaiae %eads either !77D %7!5 (ormator (et"hes response in(ormation (rom a D8I serer

JPlotResp - eauates and pots s$stem ampitudeand phase response using !77D %7!5 (ormat%eads either !77D %7!5 (ormat or (et"hesresponse in(ormation (rom a D8I serer




K5ot%esp Esage



August 13-19,2010 Data Management WorkshopFoz do Iguassu- BraziData

K5ot%esp &onsoe




K5ot%esp utput




K5ot%esp utput 5er !tage



August 13-19,2010 Data Management WorkshopFoz do Iguassu Brazi

ther #uait$ &ontro

%esour"es• #& Forum "oaoratie e site

http==irisedu=#&Forum

• ?enera use #& maiing ist6"-issuesLirisashingtonedu

• e Manua o( !eismoogi"a serator$ 5ra"ti"e

/M!5 (rom IA!57I

http==g(z-potsdamde=i=nmsop(ormuarhtm

• 5#>@ data ana$sis s$stem /ae(orms * 5DFs

http==geohazards"rusgsgo=stae=m"namara=!o(tare=5#>@htm

Benson Quack (1)

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