D a vidA sk o va n dA m a n d aS io k ,F E M A R o ssN o ffisin g e ra n dT in aM ille r, M u n icip a lityo fA n ch o ra g e Jo h nT h o rn le y ,G o ld e rA sso cia te s,In c. I sth e r eac o n n e c tio n ? T h eA n c h o r a g eB u ild in g S a fe tyS e r v ic eA r e a( A B S S A ) B u ild in gC o d eE n fo rc e m e n t: T h e "A n c h o ra g eB u ild in gS a fe tyS e rv ic e A re a "(A B S S A )p rim a rilyc o n s is tso f th eA n c h o ra g eB o w l.B u ild in gp e rm its w ith inth eA B S S Are q u ireap la n re v ie wa n dab u ild in gin s p e c tio nw ith am u n ic ip a l in s p e c to r. O u ts id eth eA B S S A :T h e M u n ic ip a lityo fA n c h o ra g ed o e sn o t re q u irep la nre v ie w sa n dm u n ic ip a l in s p e c tio n sfo rc o n s tru c tio no u ts id eo f th eA B S S A ,in c lu d in gth e c o m m u n itie so fE a g leR iv e r,C h u g ia k , In d ia n ,a n dG ird w o o d . AQ u ic kL o o ka tth eP la c a r dA s s ig n m e n ts M u n ic ip a lityo fA n c h o ra g ein s p e c to rsa s s ig n e dap la c a rd c o lo rtoe a c hin s p e c tio np e rfo rm e dp e rth eA T C -2 0p ro c e s s : 1 G re e n-S a fetoin h a b it,m a yre q u irere p a irs Y e llo w-H a z a rd o u sc o n d itio nre s tric tsu s e /o c c u p a n c y R e d-E x tre m eh a z a rd ,u n s a fefo ro c c u p a n c y C h u g ia k M a g n itu d e7 .1 N o v .3 0 ,2 0 1 8 E a g leR iv e r T h eta b le(b e lo w )a n dg ra p h(rig h t)s h o wth ep la c a rdc o lo r a s s ig n m e n tsfo ra ll s in g le -fa m ilyre s id e n c e sinth e 2 c o m m u n itie so fA n c h o ra g e,E a g leR iv e r,a n dC h u g ia k . A n c h o ra g e In d ia n D ate:0 9 /2 0 /2 0 1 91 7 :0 9 P ath :C :\T em p \D R _ 4 4 1 3 _ A K \M A P S _ p ro \D R _ 4 4 1 3 _ A K _ v 5 .ap rx(lo calco p ieso nC :w illb earch iv edtoZ :\E V E N T S ) 5 .0 0 % 4 .0 0 % 0 .0 0 % G re e n D e s p iteth ele s su rb a n G i r d w o o d c o m p o s itio no fE a g leR iv e r a n dC h u g ia k ,th e ira p p lic a n t d e n s itie sa req u iteh ig h , e s p e c ia llyinE a g leR iv e r. B a s eM a pS o u rc e s :E s ri,A irb u sD S ,U S G S ,N G A ,N A S A ,C G IA R ,NR o b in s o n ,N C E A S ,N L S ,O S ,N M A , G e o d a ta s ty re ls e n ,R ijk s w a te rs ta a t,G S A ,G e o la n d ,F E M A ,In te rm a pa n dth eG ISu s e rc o m m u n ity ,S o u rc e s :E s ri, H E R E ,G a rm in ,F A O ,N O A A ,U S G S ,©O p e n S tre e tM a pc o n trib u to rs ,a n dth eG ISU s e rC o m m u n ity A T C -2 0 :h ttp s ://w w w .a tc o u n c il.o rg /a tc -2 0 U S G SS h a k e M a p :h ttp s ://e a rth q u a k e .u s g s .g o v /d a ta /s h a k e m a p / G o ld e rA s s o c ia te s ,In c .:h ttp s ://w w w .g o ld e r.c o m / A u th o r:d ask o v 6 .0 0 % P e a kg ro u n da c c e le ra tio n(P G A ) m e a s u re sth ein te n s ityo fth eg ro u n d m o tio ne x p e rie n c e dd u rin gth e e a rth q u a k e ,w ithh ig h e rv a lu e s in d ic a tin gm o rein te n s eg ro u n d m o tio n .T h eIn te rn a tio n a lB u ild in g C o d ere q u ire sb u ild in g sinA n c h o ra g e tore s is tam in im u m P G Ale v e lo f0 .5 g . O n lyis o la te dlo c a tio n sinth e M u n ic ip a lityre a c h e dth a tle v e lo f g ro u n dm o tio n ,w ithm o s tre s id e n c e s e x p e rie n c in go n ly6 0 % o rle s so fth a t. C h u g ia k E a g leR iv e r 1 .0 0 % G ird w o o d E a rth q u a k eE p ic e n te r A B S S AB o u n d a ry S ta teo fA la s k aIn d iv id u a lA s s is ta n c e A p p lic a n tsp e r1 k m G ridC e ll 4-1 0(< 4n o ts h o w n ) 1 1-2 5 2 6-5 0 5 1-1 0 0 O v e r1 0 0 In d ia n 7 .0 0 % 2 .0 0 % A B S S A N o v e m b e r3 0 ,2 0 1 8 :A m a g n itu d e7 .1e a rth q u a k e a u s e ds ig n ific a n ts h a k in gin C h u g ia k c th ec o m m u n itie so f A n c h o ra g e ,E a g leR iv e r,a n d C h u g ia k .T h eS ta teo fA la s k a E a g leR iv e r re c e iv e dth o u s a n d so f re q u e s tsfo rIn d iv id u a l A s s is ta n c e ,in c lu d in g re s id e n tso fth eM u n ic ip a lity o fA n c h o ra g e . A n c h o ra g e 8 .0 0 % 3 .0 0 % D is tr ib u tio no f th eD a m a g e M a g n itu d e7 .1 N o v .3 0 ,2 0 1 8 P la ca rd sa sP e rce n to f Sin gleF a m ilyR e sid e n ce s B r e a k d o w nb yL e v e lso fS h a k in g T h eb o tto m ro ws h o w sth era tioo fth era te so u ts id eth e A B S S Atoth era te sin s id e .A ta ll 3p la c a rdc o lo rs ,th ea re a s o u ts id eth eA B S S As u s ta in e dm u c hh ig h e rra te so fd a m a g e . Y e llo w O u tsid eA B SSA R e d In sid eA B SSA 1 G re e ng e n e ra llyin d ic a te sd a m a g es u s ta in e dre q u irin g re p a ir.T h isle v e lo fd a m a g eh o w e v e rd idn o t w a rra n tay e llo wo rre dp la c a rd . 2 9 9 .1 % o fA n c h o ra g e 'ss in g lefa m ilyre s id e n c e sfa ll in s id eth eA B S S A . T h ism a po rig in a te dfro m th eU S G S S h a k e M a pP G Aa n dw a sa u g m e n te d w itham a pfro m G o ld e rA s s o c ia te s in te rp o la tin gs e n s o rd a taa v a ila b lein th em o s tp o p u la te dp a rtso f A n c h o ra g e . A n c h o ra g e T h e s eta b le s s h o wra te so f d a m a g ea t d iffe re n tle v e ls o fg ro u n d m o tio n . V a ria tio n sinth e in te n s ityo f g ro u n dm o tio n d on o ta p p e a r tob ea s ig n ific a n t fa c to rin e x p la in in gth e h ig h e rra teo f d a m a g e e x p e rie n c e d o u ts id eth e A B S S A . B u ild in gC o d eE n fo r c e m e n t B y1 9 9 0m o d e rns e is m icp ro v is io n sw e reb e in ge n fo rc e d w ith inth eA B S S Ao ns in g lefa m ilyh o m ec o n s tru c tio n .F o r th a tre a s o n ,th e s ere s u ltss h o wo n lys in g lefa m ily re s id e n c e sb u ilts in c e1 9 9 0 . S o m eo fth ee a rth q u a k ed a m a g ew a sc a u s e db ys o il fa ilu reu n d e rth e s eh o u s e s .B e c a u s eth eb u ild in gc o d e s a n din s p e c tio n sw o u ldn o th a v ep re d ic te dth a t,th o s e in s p e c tio n sw e rea ls ore m o v e dfro m th isa n a ly s is . P la ca rd sfo rSin gle -F a m ilyR e sid e n ce s B u iltsin ce1 9 9 0 ,n oso ilfa ilu re 1 0 .0 0 % 9 .0 0 % 8 .0 0 % 7 .0 0 % 6 .0 0 % 5 .0 0 % * E a rth q u a k eE p ic e n te r A B S S AB o u n d a ry P e a kG ro u n dA c c e le ra tio n < = 0 .2 8 < = 0 .3 2 > 0 .3 2 4 .0 0 % 3 .0 0 % * 2 .0 0 % * 1 .0 0 % 0 .0 0 % G re e n * Y e llo w O u tsid eA B SSA R e d In sid eA B SSA *Inth eco m m u n ityb o u n d a ryo fA n ch o ra g e ,th isa n a ly sisin clu d e s11,0 9 7 re sid e n ce sin sid eth eA B S S Aa n d2 0 5o u tsid e. A n a ly z in go n lyh o m e sb u ilts in c e1 9 9 0a n dn o te x p e rie n c in gs o il fa ilu re , b o thin s id ea n do u ts id eth eA B S S As h o wd e c re a s e dra te so fd a m a g e . T h a ts a id ,th ein s p e c tio n sin s id eth eA B S S Ae x p e rie n c e dm u c hlo w e r ra te so fd a m a g e ,w itho n lyo n ey e llo wp la c a rda n dn ore dp la c a rd s . F u tu r eD ir e c tio n s P G AM a p s :O u ts id eth em o s tp o p u la te dp a rtso fA n c h o ra g e ,th e rea refe w e rs e n s o rs u s e dtoc re a teth eU S G SS h a k e M a p .Im p ro v in gth ed e ta il o fth eS h a k e M a pw ill e n a b le ab e tte ru n d e rs ta n d in go fth ee ffe c tso fg ro u n dm o tio no nre s id e n tia ld a m a g e . F u tu reE a rth q u a k e s :B e c a u s eth ise a rth q u a k e 'sg ro u n dm o tio n(P G A )o n lyre a c h e d th eb u ild in gc o d e 'sm in im u m le v e l inafe wis o la te dp o c k e ts ,re p e a tin gth isa n a ly s isin fu tu ree v e n tsw ill a d dg re a te ru n d e rs ta n d in g . A d d itio n a lF a c to rs :A n a ly z eifo th e rfa c to rs(e .g .:s o c io e c o n o m icd a ta ,a p p ra is a lv a lu e , E n g lis hp ro fic ie n c y ,b u ild in go nh is to ric a lm a rs h la n d s )a ffe c tth era te so fd a m a g e re p o rte d .