RECENT INFORMATION ON APPLIED EARTHQUAKE STUDIES IN THE USSR

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00039R000100110045-0
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 22
• Document Creation Date: December 22, 2016
• Document Release Date: June 8, 2012
• Sequence Number: 45
• Publication Date: March 1, 1951
• Content Type: REPORT

Declassified in Part -Sanitized Copy Approved for Release 2012/06/08 :CIA-RDP82-000398000100110045-0
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Declassified in Part -Sanitized Copy Approved for Release 2012J06/08 :CIA-RDP82-000398000100110045-0
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 Declassified in Part -Sanitized Copy Approved for Release 2012/06/08 :CIA-RDP82-000398000100110045-0
~l~'dIa~IVFk ~V1~ FkH~~~~~~~i 4~+~i A~i'~d~bl=+l7 ~,t~~'!~'e~K~i~l}?~I e~l~?~1~~ ,i:N ii+~ 611s~+ ~~
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~~~~ ~?~lA~~r~n~~ ~'~=~~Ar~t ~va~ ~~~ra~~~~d frcm tic i1G~r~o~~ra~al~`~!~~rfi~~-
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~,~~~i ~~,~~ ~~~d '~IQ~l~o~~~ A~ ',~c~~r~bf~.~t ~n;a '~'~~~~r 'r ~'~~~c'
:., ~ ., i~t;1~4~A~~~i t~?r~o~~etl ~cicn~~at~~anc~ ?r1~ ?~' ~l~to ~'orcrn?c~
~ v~~~ ~~~c1~io~o~~~ ~'I~~o u>:oc~r~-~r~~l~l~ ~~ oo~ ~~ ~~Q ~iopular cc~on~~~ic
~'~~ur~~ ~~ ~o
?er~~~ ti~~l~l~ciiQd t~,~ ~~1~~ Ac~~~lo1~ o~ ~~~Qi~toa~ iid,~4~~ ~c~~ d.t~rn~
~~;~ fool; ~~ ao :~o1low~s_7
~k~rt~ri, ~t~a~~
. ~' ~, 1 ~ ~ l~t-laakas~ x~o~rn~:~tlial~ ~~
'~n~oha~t~,~ o~ L,~~t t 1
21
~~la~t3~t ~~~ i~r'~l~1r~11~1~~3
r~otl~odo o~ ~~1at~~ I,n~, ~~~. 1
~ : ~. St~lO, rr1a~11~ ~~
~e~s,nic Y~~1,voo~ ~roco~oi11;, ~~~ r~-~
i ~ ~~ tt.ofj o~ Lar~l~c~ualc~s ~~~
C-~o~ ral~l~icrll ll~o tir~b~
~~
~~Cumb4r o~' ~' >,r~l1~:lual:oo
~'rtiCll~ri~~rn off' ~;nor~!or.,oe o~ ~nr~t:~~,ualto~ ~"~;~~rac~ `l'r~,n3~.at~on
t~~
~7
~pponded~ .
Connoct~.on of ~;ar~l~quak?5s ~li~~ athcr Natural ~k~onomena
66
~Coinp~e~e '~ran~la~~on Appondod~
r
~arth ual~c~ Cc~mp~a~~e ~'ran~lat~on Appondad~] 7
~'ox oca~~~.r~~ ~ g
'. r ~o~~ruct3.~re ~~~octi~ of ~;ar~hquakns ~ 79
Cornbat~~.n~
1
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Declassified in Part -Sanitized Copy Approved for Release 2012J06/08 :CIA-RDP82-000398000100110045-0 ~
 Declassified in Part -Sanitized Copy Approved for Release 2012/06/08 :CIA-RDP82-000398000100110045-0
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!~a~~tl~c~~l~k~o ax~o . clo~oly ao~~octod ~Yith or~o7~nes~o end re~~-1t ~'r ,il
? s~i~idAn
~t~~~'t~, ~li~~~ai~- Qr t~4~~:sti~~~ ~~' ~~~~or undor co~~t~~~~~Ai~cl~ actin; ~'orcQO~
`~'l~io eonco~at i~ con~l~~~~k2~ b~ ~.i~o ~;oo:~ra~l~ic~~l d~stribu~t~At~ off' o~rtl:~~~~
~ ko s
~~d ~~ r~~~e k~~vcro f~~r~~~,~~t~aa~toos o~ ~,~~o o ~r~~l{~ o crua~ ~ ~~,~~r ~t~voral ca~~a~~ro ~~#~c
oa~~t~lq~~al~os
tt~ ~~~~lk~C~~+~ ~l~'~FI' ~t;~ tilCCl~`Ill~~l~,~_~~ Q~ ~iU~l~ ~NNjr~vfL~~Cn~l d~~~ i"fC C~t~
~'inf~1;~= a~}~ro~cl~ t!,o ~~rr~i.l~~jt o:~' ~~~~~t;~~:~t~t~kos~ o~? ~~~ct~~~-rno~~tal !aroo~ o~ sk~i~ts
witl~mt~ L.~,~ o~a~~t~~, a~j~ off' ~~~? drr; falls off' t;l~? oar`tl~q~~gko !~roaess~ `~'1~~3 so~s~?~c
~jrotl~~~~ ~~~~s tivl;f~r-t~,~` asa~~~~d ovor~incroasln~ lm~~ortanco, ar~d Aome r?sults
itt?~vo already ~oo~~ ~~,~~~n,~~~~ ~~n~~~~~~~~~,~~~ily t~~e so~amic i~ochanlam is e~.osal
conn~~ctQta wi~.!~ tljc cen~~r~~m~s ~,I~~;;sJ~c~~l chart~c?~?rlk,tfca, a~,d ti-QroPore ono
slrould oaro~'~11~ w L~i~~r c~,~~tra, t~~a movo,t~dnt o? matter in thorn, Moir s .ate al
p /~~~
Ct,C~
'~ha ~'ollow~,~~~w conclus ~ on.~ worn dorived from doter~nit~a~ions tnado by
ro~lonq ~.s cnhnor;~;~d ~~~ith or~o,rc~nlo prdc~s~cs In ~~~o ~;rl~ne~-r~ mr,untr~ln system,
ea?t of t!~e ter o~ ~!~ia Sr:tma~n ~1en~~nnt~l~~~ ~'hr~ seismic ae~tiv~.~y n~ the;o
In t',? Mack Sea at an ave~~are ttl.tance r~~ ~~q k~lc~~notot~s south rtnd sau.t~~-
r~rlmean ~ar~l~r~t,~-kes; ~~,~'st~j ~~j~centors n,~ Crimean eartrjq~,akos urt located
:~oviat so~.stnolor~ists odor a 1~..~~aar ~~eriod of centrum tjosltior~ a~~d depth In
Sgcont~, t~to~~ eartl~yj~akr~ ~:d,~tra aro not r~~n~l~mly ~ sposo~, but are con-
~~~n~:d in ~ w~.de ~tr~atu~n wn~cti enters t-to Sr~.~nean pan~:ngula ~rc~m ~hn bottom
o~ tiffs i;lack Sea,
F'i~~iras 1 and 2 confirm the abov?~ '~'ln~,s data s~~~;pests that Crirn a
en
earthquakes are crested by progressive sh~.~'t3~; of thg Cr~.mea~ mounta~;ns
maeei~' towards the Mack Seas which assttrnpt~.on is confirmed b~ geoln~~:cal
cl~arac~tQrist~,ce ~3 well as ~y arran~emen~t o~ cen~tra, .tom th~,s stand oin~t
p ~
each oa~~thquake should be cons~,dered as an instantaneous sh~~t creating
K
Declassified in Part -Sanitized Copy Approved for Release 2012J06/08 :CIA-RDP82-000398000100110045-0
 Declassified in Part -Sanitized Copy Approved for Release 2012/06/08 :CIA-RDP82-000398000100110045-0
mai~tly traf~sverae waveo~ and most seis~nA;rama off' ~rimeAn oartk~r~uakeo do
~ndiaata ~r~~t transversQ wav~g are consid~ra~aly etran~er than lor~~itudi~al~
.ill car~tra ?~' ~rimoan eart~-~uakoe am s~~allow and do got a~poar below the
~nrth ~ ? crust, bud, this does nAt mean that t~~c sourcQS, off' movomont o~ tho
brim?an ~r~ooif -A~~st ~he~~s?lves bn lr~catod in the earth~ls crust; on the aon-
trar`~;, it ~ s Quito ~~ossi`~lo tk~nt a slovr but co;~tinunt~s pr?ea~~r? ie o~?rtQd
in ~l~o s~~l~-~ru~~ r~tt?r~
Another oxam~~1? is t~aQ arran~to~~~n~ o~~ antra Q~ ~an~,ral R~~atic eart~~-
c~~lakea, which wero aloo studied by Sovi?t eeismolo~idts~ ~nte~pretatian
of ~~lis datA is couch more di!'fIc~lt ~ainca t~~e formsf of foldir~ and th? move.
ruent a.f tine masses p~' matter which cnake up mountain systems is much mare
co~~~~1ox in, Central Asia than in the ~'ri~cea~
~~ we s~~st~~rja~~cally divide this region from noz~th to south, vre obtain
a very intar~QCta n~; picture off' thc~ distribution of cents o~ C?ntral as~:atic
eart~~c~uakcs
A Mood e~tarn~~lo ig thQ so~mont~t~ie 70th inarid~.an betwo?r~ t~~e 3~th and
~,~rth~~La~:e oentra~ Its seen, centre of norm~~l earthr.~uakes aro Ares?nt tk~ou~h-
out t11o s~~ment, 'rhe furt;~er soot}l, however, ~Q mQre fraqumnt ?tha centra~ ~y
a~' inter~nodia~? e~rrthc~ual~es~wrios~ depth increases tot~ards the south
~I~ we compare this distr~.hution w~.th a ~eolo~ical map df the localftyf
~,~ th ~~arallelg, 'I',o ct~rvo;~ ~ n ~ii~~urc 3 s;-~r~vr ?the pr;~do~~inant arran~e~nent of
W~1 C~1~~~.u~~~' t~S~t ~ilr~ C~~s~tith off' centre increases under the ~ mountain, massifs +
of the ~antirs ~ In general farms wo can gay that the .~ormg,tion of ainduk~us}t
h
and #~a~~ir is d~ 'to t~se slovr mavlrment oi' su~Wcrue~- masses durin~~ w ch
t~
i'issure~ and sr,~,i'tg occ~,r nc~t only 3.n the cn~la~~sin~ masses of, t}1e earth~o ,
crush but also in the gt~b-crust matter ~,~t~~lf ~ 'hie e~tplains the ;presen.co
` ~ ~ ~, ,
of se~~ral belts in ~~-e arrdn~:ement of centre, xr1 Central' Asxati~c earth-
qu~keg, t~? di.gplacecrients ~ecorc~ed on se~.sma~rams .for transverse waves- ware
muc~i greater than for lon~1~tud~.nal ~wavee~~ ~~~is a~axn confirms ~ ~,herp~edom-
~.nanc~ ~ o~ shift-~l~ ke impu~.see
1'
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Declassified in Part -Sanitized Copy Approved for Release 2012J06/08 :CIA-RDP82-000398000100110045-0
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 ~ Declassified in Part -Sanitized Copy Approved for Release 2012/06/08 :CIA-RDP82-000398000100110045-0 ~
c~rth~u~ko ~-~ ~t~ rv~fOn 0~' ~~'~@ f~~~9~ ~~ rA~l1~~~ w~~~ ~ CO~~~~11~A
A 1~~~
s to phis schc~~c a~ var~l~~~~~~ako formation by th? ovort~~~rust
~-~ k~a dev~ tialy~
~ica7. o~,ruct~,r~~s upon ot~.ors~ ~oolQ~ica1 ~~t~dica ~~~~lo by ~~ ~e~
o~ aomc ~ao~.o .~
o iz~ tY,c O~r~~ ~~~RClition off` t~~a ~,ov~h;~oical ~r~6titute, Aca~cu~
Oub~:n, work r
~' ~ Qs ~~~~~ ~cr;,-~tt~a~ ~~o to com~~ily a~ dctailect pic~urv o~ ~ ~o ~orm-
A~ ,~c,~onc , ~
a cccx~,r~t~~~ b ~aultin~ o#` u~~or strata along tiro Qurrac~ o~ tho
ati~-n o~ Y
~;r~Fstallic ~outi~la~;ion, as is ~~~oti~n in ~~'i~uro ~~
s
,4 ~ lc concer~~s ca~~~,ra o~ dco~ car~~~f~~,ak?s in tl?r