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<br />. <br /> <br />. <br /> <br />. <br /> <br />4....,n~ <br /> <br />ROS'Sl - fOR h <br />INTUISITy SCAL.E.: <br />t'183l <br /> <br />I 11M .bock. idt b1 .. <br />..,.r\~ed Ob..rrer. <br /> <br />n I.c:ordltd by .e-t'er.l .el'-.o- <br />,-nil-b.; hlt 'by .. -..11 n~e1' <br />of ,..-rlC1:l. It t..t. <br /> <br />m: ,.It b, le,"r,! penon, .t <br />r..t; Itrol'll elloOu,gb for ch. <br />dinert"", or dur.tloll [0 be <br />.tpucl.bl.. <br /> <br />I7 r.le br p4UOIl' 111 -.oClon, <br />di.turb.oc:. of ao.,l:Il. obJect., <br />door., ~~~; cr.tkine of <br />..ll hal', <br /> <br />% F.lt .eD-tUll, by everyone; <br />dhcurtl.llc. of turulcu.u, b..d.. <br />.tc.; rlDctll& ot".~ bell.. <br /> <br />1!I G-<ner.\ _....enlrJ at thO", <br />.ul..p; tln'ln, oJl bell'; <br />o.,ll\.tioll of ~h.odelltr.: <br />~~~hr:l~~;'~[:~~~~l~j ~~~~. <br />'.J(\' It...,e d1.Iel I 101i"_ <br />m Oor.rthrl1V of ..,v.lbl.. ,,1:1 Ieee.: <br />t.ll 01 plurer; rlnlln, 01 <br />kl1.; ,.nlc, v1.rhout IU~u <br />~j' toblllldln,., <br />:llm '.11 of chl.atl.,..; tuclr.. 11'1 the <br />..It. of buIld In... <br /> <br />Lt '.rtl.1 or tor.l d..trucr(on <br />of .... b"t1dLq.. <br /> <br />X Crut dl.,uter; f"\lln9; J1Hurb. <br />anee ot the Itur.. fluurel tn <br />the 1T~k-h-H n <br />I1tdlll, ete. <br /> <br />MODIFlfO lll[RCALLl <br />INTENSITY SCALE~- <br /> <br />1 "t telt.. Karl1nal IDd loni-period <br />.tt~tl of Ilr., t.rtbqu.k.e. <br /> <br />lJ. P,It"by perloDe U r~.t. 00 ....pp.r Houri, <br />01: fl'YOrl"bly pl.ce,l. <br /> <br />rn 'elr lodoorl. ijan~lnll o,lbJ.ctl ....iDf:~- <br />,(br.tloD Ilk. p...lng of ll~ht truckl. <br />Duratloo..tLaated. !oily oat b. ucognlud <br />II U tarthqUlke. <br /> <br />Ill' &aoglnll object. .....Ing. Vlbr.Clon Llle-- <br />,.1.lll.1 ot ht,lI)' truck.. Stan,itn" lIIoto,lr <br />clr. roelr:. W{nJow.. dtl~.e.. doorl r.ttle. <br />Gl...~. clink. Io upper range of IV "'ooJ~n <br />Will' .nd fr~ creak. <br /> <br />-- <br /> <br />y relt outdourl; dlrectlon fltUn~ted. <br />SI'eplllrl ",.kened. Lt<ju\d, dlHurb..d. DOelrl: <br />niol. Shutterl. pl.:-tucu IlK'V~. P~rl'lu.L...: <br />c:lack. .top, ItlrC, ch&nllf r.tt. ! <br /> <br /> <br />2I relt b, Ill. ~dnv fr18hten.~ and Tun our:-l <br />door.. ...."011. "'"1k .m.tudllv. \oIlndo..... I <br />dlllh... a1..."'.n b'"...".... !Iouk. ,,[t <br />.hel...... Plcturu olf ....11.. f'lrntturt ~ <br />~"'ed or overrurned. Weak pt..ter ,nd <br />.dob.. er..eked. Sma II br \~. rl "il, <br />7lI DLltt':-ulc to le,nd. Notlce<l by drlvlllrl of <br />..,tor e.rl. P.ll of pl..tlllr, l<>use brlckl, II <br />[11... ete. S~, erllc'lll l,,~.onry. \oIavel <br />0. poods. ....tl'r Curbld. SIll..ll IILlel, C.!l"- <br />tnl of I.nd or s~avllll bln~5. L'r~e b~IJI I <br />r In. COne reta {r~ t;r~t l,-,n ~ trche" J"ma Po:!. <br /> <br />llDJ Se:.~tn~ ~;,..:o~~~t~:~'c~11~~~:':' ~~~a~&~o <br />Y:l~ ~ c:hl..mneYI, lDurh"'\~'HS, el.vat..d {a"k~ <br />Fe... hou..el !DO"ed If not bc,\t~.l ,1<)1o'Tl. <br />Iltancht. bro"'..n. Ch.ln!!:"~ In 'pr \n~g and <br />IIIl11!lLs. Cr.ck. In Wet ~rQ'.1l\<:l .nd on Iteep ~ <br />110(141, <br />n (i,aonlllr.l Vallie.. W..k "'''60'''' 6e'troved, ~o<Jd <br />_Ionrr l..rlou,l) LU!1.JKrd fl;r.",.. 5lrLlCturl'Ij <br />.t~~~ ~~Jk~a. ~~f!~~~ 31~,~~~f~~~J~~~vojr~ <br />Ond.rBround pJp~' br ,ken. Cc""nd e raekeel, <br />lanrla.ndlOud ejected, ...nhg'.1".... r"untalMI, <br />lolnd craterl. <br /> <br />loI"" t Ilol'onry and (ea!1"." .t "lc:t"reo oj~"c t'1,,<t<i <br />with their {oun,t.H(on... Sl'rle".'! dvPl<l~e to <br />t1lIbanjOTt~nt'. Urge. l..n,lIildl'''. ".!Iter tlur,....... <br />Oil bank, ot c.na II. 11"e~.. Jake', I'r.::. <br />I.ll, b~"t allahtly. <br /> <br />D bU, bent (reatly. <br />lh.,. cOIIIpletely ,"ut <br /> <br />-- <br />~der&round pive- <br />of leI"Vlel'. <br /> <br />m DItll.&&. ne'rl"j' tQtal, l...&q~e ro.;" ....."11.1I'... <br />dt.v1ae.ed. Line. of light an<l \e.,el <br />d1.torted. DbJacCI chro'oll\ into the air. <br /> <br />I <br />J <br /> <br />APPROXIMATE RELATIONSHIPS: EARTHQUAKE INTENSITY,ACCELERATION,AND MAGNITUDE <br />From; U. S. Department of the Interior, Bureau <br />of Reclamation; Method for Estimating <br />Design Earthquake Rock Mo1lons, April~ 1972. <br /> <br />III-I8 <br /> <br />Figure 1II-9 <br />