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SAVARRISKIY, Ye.F., prof. Chilean earthquakes. Pr1roda 49 no.9:76-86 5 160. (MIRA 13:10) 1. Institut flziki Zemli im. O.Yu.Shmidta All SSSR, Moskva. (Chile-lhrthquakes) 8/169/62/000/009/008/120 D228/D307 AUTHORS: Savarenskiy, Ye. F. TITLE: Earthquakes in the USSR. Editorial abstract PERIODICAL: Referativnyy zhurnal, Geofizika, no. 9, 1962, 19, ab--~ stract 9A124K ((So 'vet po seysmo.l. AN SSSR)j M., AN SSSR, 1961, 412 p., illust., maps, 3 r. 13 k.) TEXT: The monograph is the first attempt to generalize'from a common attitude both microBeismic and instrumental data on earth- quakes on the USSR's territory. The monograph donsists of two parts. Part One -- "Equipment, methods of processing, and classification of the USSR's earthquaked" -- contains thb following chapters: Ch. 1 -- "History of the development of instrumental'seismic observa- tions in the USSR" -- D. P. Kirnos, D. A. Kharin, N. V. Shebalin; Ch. 2 "Methods of processing instrumental seismic observations" '-- S. Masarskiy, A. A. Treskov; Ch. 3 --."Magnitude of earth- quakes".-- S. L. Solov1yev; Ch. 4 -- "Determining the force (inten- sity) of earthquakes" -- S. V. Medvedev; Ch. 5 "Force, magnitudeg Card 1/3 Earthquakes in the USSR S/16 YD 62/000/009/008/120 D228 307 and depth of earthquake foci" -- N. V. Shebalin; Ch. 6 -- "Trial in- strumental study of local earthquakes" -- Ye. A. Koridalin, S.,J. Nasarskiy, I. L. Neraesov, D. A. Kharin. Part Two -- "Regional seismicity" -- consists of 20 chapters: Ch. 7 -- "General review of seismicity in the USSR" -- S. L, SolovIyev; Ch. 8 -- "Seismicity of the Carpathian Zone" -- S. V. Yevseyev, A. Ya. Levitskaya, Ye. A. Sagalova; Ch. 9 -- "Seismicity of the-Crimea" -- A. Ya. Levitskaya; Ch. 10 -- "Seismicity of the Caucasus" -- Ye. I. Byus, T. M. Lebe- deva, A. Ya. Levitskaya, A. D. Tskhakaya; Ch. 11 -- "Seismicity of the region Sochi-Krasnaya Polyanall -- A. Z. Kats, D-. N. Rustano- vich Ch. 12 -- "Seismicity of the Dzhavakhetskoye (Akhalkalaks- koye~ Highland" -- A. D. Tskhakaya; Ch. 13 -- "Seismicity of the Shemakhinskaya Zone" -- A. M. Bagdasarova, N. V. KuzIminat V. S. Nenilina; Ch. 14 -- "Seismicity of the Kopetdag8kaya Zone" -- N.A. Linden', Ye. F. Savarenskiy; Ch. 15 "Seismicity of ~Iestern Turk- meniyall -- S. 14 14asarskiy; Ch. 16 "Seismic conditions of the. Ashkhabadskaya Zone" -- S. V. Puchkov; Ch. 17 -- "Central Asian earthquakes" -- N. A. Vvedenskaya; Ch. 18 -- "Sdiamicity of the Garmakaya Zone" -- A. M. Bagdaearova, N. V. Kuzlmina; Ch. 19 -- Gard 2/3 0 S/169/62/000/009/008/120 Earthquakes in the USSR D228/D307 "Seismicity of the Pergan8kaya Valley and Tashkent" -- Ye. M. Bu- tovskaya, A. T. KonIkov; Ch. 20 -- "Seismicity of Northern Tyanl- Shan'" -- A. A. Fogel', I. V. Gorbunova; Ch. 21 -- "Earthquakes of the Altaye-Sayanskaya Zone" -- R. I. Khovanova; Ch. 22 -- "Seismici- ty of the Baykal Zone" -- A.,A. Treskovq K. V. Pshennikov; Ch . 23, f'Earthquakes of the Far Bastern Zone 11 -- N. A. Linden; Ch. 24 "Earthquakes of Kamchatka and the Kuriles" -- N. V. Kondorakaya R..Z. Tarakanov; Ch. 25 -- "Earth'quaked of the Urals" A. Ya. Levitskaya; Ch. 26 -- "Seismicity of Soviet Arcticall N. A. Lin- den. A list of references (about 600) 48 given. Z-Abstracter'B note: Complete translation._,7 Card 3/3 3,f3e.i (/,f/Y,//dr5J 919,?6~r 2a206 S/188/61/000/001/001/009 B108/B209 AUTHORS: Vasillyeva, T. L., Proskuryakova, T. A., Rykunov, L. N., Savarenskiy2_-Yp-_. F. TITLE: The influence of the relief of the Earth's surface upon the propagation of microseisms PERIODICALs Vestnik Moskovskogb universiteta. Seriya 3, fizika, astronomiya, no. 1, 1961, 3-12 TEXT: An attempt has been made to estimate the influence of the relief of the Earth's surface upon the propagation of microseisms. This is necessary for the exploration of the upper layers of the Earth's crust, for the choice of a net of research stations, etc. In the present study, an ultrasonic model was used. Between 1956 and 1959, about forty micro- seismic "storms" were observed in the USSR and in Europe. The storm observed on February 1-3, 1958, is subjected to a close expination. The epicenter of this storm was at 15 000' east longitude and 69 20' north latitude, i.e., along the north-western shore of Scandinavia. For com- parison of the seismic intensity, the quantity (A/T)2 was determined at Card 1/4 2:LM1 88/6 1/000/001/001/009 The influence of the relief ... B108/B209 various stations (A - amplitude, T - period). The following relation holds for the energy of the seismic focus: ln f + ln E - k& = lnf(A/T (1), where A denotesthe distance of the station from the epicenter, k the absorption coefficient, f a factor accounting for the type of focus, for the peculiarities of the propagation path, and for the particulars of the recording station. k is practically constant, and so is f when epicenter and station are axially symmetric. For stations equidistant from the epicenter, the ratio A/T may be determined from an ln[(A/T)~'Aj - versus -A diagram. In the present study, the distance between epicenter and Ashkhabad (660 km) was taken as a standard, Ao . When constructing models for studying the influence of the Earth's relief upon seismic intensity, the authors assumed that: a) seismic waves are superficial Rayleigh surface waves, b) the medium is continuous and homogeneous along the way of propagation. The models were made of 3 mm. thick plexiglass with the relief engraved on the sides. A stack of 10 ammonium dihydrophosphate layers (2-2-2 cm) was used as a source of elastic waves. The period of emission was T - 17.4-10-6 sec. BaTiO 3 plates (2 mm thick) glued into the Card 2/4 212o6 S/188/61/000/001/001/009 The influence of the relief ... B108/B209 model served as receivers. The scale of the model was 1 : 1,000,000. Procedure was as followss 1) measurement of the amplitude of Rayleigh waves for a smooth surface, 2) cutting of the relief corresponding to the natural one, and measurement of the amplitude, 3) calculation of the ratio A/A control of the amplitudes as measured by the main and control receivers for a smooth ("A".) and a rough 6Vd surface, 4) calculation of which A is a measure for the influence of the relief. This quantity was then divided by the same quantity for the distance between epicenter and Ashkhabad. For a number of stations ("Warsaw", "Moscow", "Makhachkala"), agreement between observation in nature and model experiment was good; for other stations, however, a discrepancy was found ("Goris", "Triest", "Semipalatinsk"). This discrepancy was subjected to further examinatio 11 for the line epicenter - Moscow - Goris because, according to the results, the source of trouble lies between Moscow and Goris: namely, the Caucasus Mountains, i.e., the Tauro-Caucasian geosyncline with mesocenozoic sedi- ments of a depth of 8-10 km. In the model, this was realized by cutting out parts from the sides of a plexiglass plate (native rock) and filling this profile with a paraffin-polyethylene mixture (representing the Card 3/4 212 18Y61/000/001/001/009 S~ The influence of the relief... B108 B209 sediments)~ With such a model, agreement was satisfactory for the line Moscow - Goris, too, particularly when discontinuities of the medium on the natural line are taken into consideration. A similar influence is exerted by the Alps on the line epicenter - Triest, and by the Ural Mountains on the line epicenter - Semipalatinsk. These studies showed that not only the surface of the Earth affects the intensity of microseismic waves, but also any change in the medium through which these waves are passing. There are 6 figures, 3 tables, and 9 references: 5 Soviet-bloc and 4 non-Soviet- bloc. The reference to the English-language publication reads as follows: Iyer H. M., Geoph. Journ., 1, no. 1, 1958. ASSOCIATION: Kafedra fiziki zemnoy kory (Department of the Physics of the Earth's Crust) SUBMITTED: March 5, 1960 Card 4/4 23456 S/01-9/61/000/001/001/008 3;2 D226/D306 q360 (16dl 11bi ATJTHOFS~ Vai-dner~ N.G., Savarenskly. Ye.F. T TTLE., On ~:he naTure of -he L91 - phase and its propagation In North East Asia PERIODICAL: Akademiya nauk SSSR. Seriya geofizicheskaya. Izvestiya, nr,., 11. 1961, 7; , 24 TEXT: Fif-,y-four earthquake-s occu-.ans; during 1957-8 in the region Pamir Mongolla - Kuriie ar.-- - Aieul'-ians. in the magnitude range 41/2 are analyzed in detail for -the phases Rg and Lo arriving all a sIngle sta-~ion, Tiks! (72-10N., i2SOE), The arrivals Yall in-11--o n -4- tw-; groups, one with and one without an appreciable fraction of path, The wholly --ontinen~al paths give strong clear arri- cnl'-'T~h Lg and Rg with fairly shorz periods: 2 - 10 sec. The z3 -.a C- d~Aced are Lg, 3-53 Km1s: L92 - 3.31 Km/s: Rg - 3.05 ~,uu-grGu, from epicen7,ers 11n -i~he Aleutians gave rather 23456 S/049/1'61/"000/001/001/008 'a The nature of the D226/D306 %,j~ak --ong-period ~18/1'26 se,c) s-irface arrivals, probably due -to hav- -ing paased through the deepesT. (H > 3,5 Km) part of the Bering S-rai-3. where the graphitic layer must be interrupted, The main grc!.~P via-h interrupted paths, e,g. Those from the Kurile arc tra- 1;~rsing ~he sea of Okhotsk, gave Lgl .- 3.50 km/s: L92 - 3.29 km/s and Fg 3,06 km/'s. The concIusl-on from this part of the paper is -ha. -fie granitic layer is c=plete between Mongolia and Tiksi but - -.-n-err-jpt-ed between +be AIe1.-,1an-K1.jriIe-Japan sector and Tiksi. There are one map, 5 examples of seilsmograms and a table of 54 ~--ar-hql_4ake_z giving for each -~he Time of origin, the epicentral co- ---rdinate= correc-L to abo-u-,- 0,50~ the epicenicral distance used, the rhases observed- aire-2rion o j" first motion, travel time and deduced Veiocity of each observed phase and its principal period. The au- -iien discuss extensively the theory of the properties of Love L wa~.-_s: pr-!.:eeding from the case 01 a single layer on a rigid sub- L~e and exendin- to The -_-,f 2 iijd-itic layers on an elastic Th7s Theory is based on the muliiple-reflection of clane SH-waves. Then some resuits are calculated for group-velocity I t-lard 2/8 234~6 S/049/61/000/001/001/008 On the nature of the ... D226/D306 based on the following choice of values: b 2 = 1.127, 1.324; !2 = 1,095P 1.204 bi b1 Pi Pi where b - velocity of SH in media 1, 2P 3; and P density of me- dia 1, 2, 3. The results are illustrated in Fig. lo for various values of hl/H, where h - thickness of upper layerp H = hl + h2P h2 - thickness of lower layer. The effect of the sharpness of the maxima in these curves upon the amplitude and appearance of the arrivals is now analyzed. The theory given is formal and leads to the well known result (28) C T (28) T IT-T. where A - amplitude of onset centered on period To, x - epicentral distance. The application of this result is graphically illustra- ted and it is seen that sharp or-sets result'from the further con- Card 3/8 S, 2 /O~ On the nature of the D22266rDD3301/6000/001/001/008 dition that a2C/aT2 must be large at T = Tm. Finally, the authors use a method of J. Dorman (Ref. 7: Numerical solution for Love ave dispersion on a half-space with double surface layer. Geophys. 24, No.1, 1959) to estimate from their results and those of other au- thors including M. Bath (Ref. 9: The elastic waves Lg and Rg along Eurasiatic paths. Ark. geofys. B.2, No. 13, 1954), P. tress, T. Bwing (Ref. 10: Two slow surface waves across,North America. Bull. Seism. Soc. Amer., 43, No. 3, 1952) the probable thickness of the crust in this region and also the ratio h /H. These results are illustrated in Pigs. 12 and 13. The comment on Fig. 12 is that the scatter horizontally may be accounted for by errors in reading T .0-om seismograms. The comment on Fig. 13 is that Lg may either be afirst or second mode of Love wave. The hypothesis that it is a Love wave at all is claimed to be "satisfactory". There are 1 table, 13 figures and 16 references: 9 Soviet-bloc and 7 non-Soviet-bloc. The references to the four most recent Bnglish-language publica- tions read as follows: I. Tolstoy, Dispersive properties of a fluid Card 4/8 On the nature of the ... 23456 S10491611000100110011008 D226/D306 layer overlying a semi-infinite elastic solid. Bull. Seism. Soc. Amer. 44, No. 3, 1954; J. Dorman, Numerical solittion for Love wave disperion on a half space with double surface layer. Geophys. 24, No. 1, 1959; M. Bhthp The elastic waves Lg and Rg along Burasiatic paths. Ark. gecCys. B2, No. 13, 1954; S. Oliver, M. Ewing, M. Press, Crustal structure of the sittic regions from the Lg phase. Bull. Geol. Soo. Amer., 66, No. 9, 1955. ASSOCIATION: Akademiya nauk SSSR, institute fiziki zemli tsentrall naya seysmicheskaya stantsiyap Moskva (Academy of Sciences USSR, Institute of Physics of the Barth,,Cen- tral Seismic Station, Moscow) SUBMITTBD: MaY 3, 1960 Card'5/8 7/0U 1 /002 D 2 - 3 0 2 AUTHORS; 1,7edve-le%, S.V., Bt,uie, V.I., V-,rede!,.skuya,A V.,lj. Kirilloval I.V., Nextj~.,,sov, 1.1;~, RIZnachenk-C, iu.V.,Javarenskiy, !;.P. and Sorskiy, A.A.. TITI,Ei Instructions for re6ional seiszolo6lcal summ. ries SGUROZ. Akadc:ni a nauk SSGR. institut fizill Zemli. Trudy no. 17 (ia4~ Moscew 1961. Voprony inzhenernoy seyamologii no. 5, 128-145 TEX.Tt These inotructions were confirzaedby the director of the Institute of Geophysics ANK S3311, MI.A. Sadovskiy, on Feuruary 27, 1961. Tiieir objective is clearly to secure a uniform system of recording all seismological data _~)ertlnent to building construc- tion, obtained in future in the USSR. The instructions are div-1- d~d into six parts, containing 64 numbered articles I the follow- -InG being an Indication of tile scope of each parts 1) General' Card bolh 1! i,. c,:n tr-j I zone and for th(~ v.,tiole tru- :71,,~I Tila on Thi u in tic-, ined aj dbta obtaln-~d U -,-I fn ~,, bot.11 flx(..(l a-14 oxpa,lit.lonary P,(UtIQiL-'I fin 0,)POZ;i!d. tO LV'.f,' i3*-,ily pnot -, a r t hqt I;A k Q 0 . 14-3 t I 10 1.1 0 f C 1 a 11 J 11: 1 C it t I Q ri 1) 1 ~~ eji A t, t id,) -,-~,,,iaion of e--Icentral I r 1! Z-3 location and frecu~.,ncy of retu r v are define-1. 3' ~ Bn,,,~ine-~rinG seisaology. Under thia heaoiIIE. if] dr,fi.r.Qd format of LAr, atias of qtronf; earthquuke with tao*eis- nul.z. Thia oiiould be on a ucale of 1% 1~000~000a It is al.~o i-,ni ... i lu includo data ca tne enerEj aeasity distrib'.1tion of the Crp L ~I,ta. aince scme re.~-,.Zlari -,y ~.u dis,7-3rnibie in t'-e diutribu'ion of s~ionks, a 'Iseismotfilk- Ii4o would bp Particularly Onould be a j~ooulbL-],I-ty. Ti- in regions where data up to "his time ars Card 2/3 3/6 19 16', /uc;()/tJ! 7/00 1 /00-2 1 ~r ,I f C i ~jI D239/D302 P - da---, could aljo bz scfu Beis:a0l,l)~jCal inaps aaU d~-.;2-,- Th-o~-, ur~~ to be of two Lyvot;, tc. I a:i~! 3, i.e. oAsIroloCicaL Liaps .-nd L;ia,js ~f iscseiemals tOic-ylvg ard attenuan-on nharkx-~eristics of the re,-~ion, The -,vLly In uhich thuse should be prepared is describ~-d ir considerable to,,-,t~o3r with ao.av Cuidunce about villut is enilsaGed for tli- -j,?ismo-,ektonic waps. 6'1 ArraLL;eaen'l, duration of unrl parti- la th,~ fulfil;.ijn' of the proJect. The Eml adjres- r:--,z; -t* t.v~ participatinF, institutions for earh are the, end of the first era will be at the cnd of 1962. -'ho map is t?x,)ected from the AN (,XS 1:3311) im 1963. There are 60 Soltiet-bloc references S/049/'o-l/000/005/007/013 D207/D306 AUTHORS: Savarenskiy, Ye. P., and Shechkov, B. N. TITLE: Structure of the earth's crust in Siberia and the Soviet Far East determined from dispersion of Love and Rayleigh waves PER10DICAL: Akademiya nauk SSSR. Izvestiya. Seriya geofiziches- kaya, no. 5, 1961, 700-704 TEXT: This paper was presented at an augmented seminar of the Otdel seysmologii i seysmicheskoy sluzhby (Division of Seismology and Seismic Service) which dealt with surface waves and was held at Simferopol' between October 1 - 5, 1960. The authors deter- mined the mean crust thickness in Siberia and the Soviet Par East from 42 seismograms of recent (1954-59) earthquakes in the We- stern Pacific, recorded at Sverdlovsk, Semipalatin-sk, Irkutsk and Kyakhta. For each earthquake group velocities were found se- parately for Love and Rayleigh waves. These experimental group velocities were then compared with theoretical values published V/ Card 1/ 3 S/049/61/000/005/007/013 Structure of the earth's D207/D306 by J. Dorman (Ref. 1: Numerical Solutions for Love Wave Dispersion on a Half-Space with a Double Surface Layer. Geophys., 24 (1959)) and by R. Stoneley (Ref. 2: Rayleigh Ylaves in a Medium with Two Surface Layers. Month. Not. Roy. Astr,, Soc. Geophys. SuPpl., 7, no. 2 (1955)). A two-layer of the crust was assumed in calcula- tions. The mean crust thickness in Siberia and the Soviet Far East, determined from dispersion of Love waves ', varied from 25 to 35 km. The dispersion of Rayleigh waves indicated a thickness of the order of 35 km. The greater crust thickness deduced from Ray- leigh waves may be due to the stronger dispersion of these waves over oceanic paths. The results indicated that the granite layer of Siberia and the Soviet Far East was 1,5 - 2 times thicker than V/ the basalt layer. The total mean thickness of the crust in middle latitudes of Siberia and the Soviet Far East is probably somewhat smaller than the thickness in the northern and southern parts of Siberia, but this requires verification. There are 3 figures, 2 tables and 2 non-Soviet-bloc references. The references to the English-language publications read as follows: J. Dorman, Numeri- cal solutions for Love wave dispersion on a half-space with a Card 2/3 S/04 61/000/005/007/013 Structure of the earth's ... D207YD306 double surface layer. Geophys., 24, 1959; R. Stoneley, Rayleigh waves in a medium with two surface layers. Month, Not. Roy. Astre; Soc., Geophys. Suppl.,7, no. 2, 1955. ASSOCIATION: Akademiya nauk SSSR, Institut fiziki zemli (Insti- tute of Physics of the Earth, AS USSR) SUBMITTED: December 9, 1960 Card 3/3 29580 'S 019-161 000 006 006101-1 cl,'Ike,r~1v1q, 13;1-7) 0207, D306 Hit I t n, SA- ind- Savarenskiy, Ye. F. Of, shvi t -1)(.1-jod --eismic stirfElce waves 0.11100 1 C I I Ik ~ dem R -%M nank SSSR- I v. v es i. t va, Setiva geofizicheskaya, 6, 1961, 855-863 ,I- IAT The authocs disctzs~, surface waves,, with perinds of 0-2-2-5 sef and smalli group velocities of 280-800 m/sec- produced by (1-200 km distant) and eartliqUaker- (70-250 km distant). rhe (Apcvimenlal data were obtained bY the Src-dneazi.atskaya ekspeditsiya V.v-esu,vuznngo nauchnn--i,-,.l;Jedovatt-I skogn in.,;tittita gldrogeo)ogil j in- 7horll.rnov geologii (Central As4ia Fxpedition of the All-Union Scielltific lnstittlt