CIA-RDP96-00787R000500130084-3

FIRM NO.
2ApprovedForRelease2001/03/26ssCARDP96-00787R00000108413
PROCESSING DATE
WJR
CODE
491
COUNTRY
USSR
PS
11
AF CHART
ACTIVITY CODES
438
404. 402
LOCATION
IRKUTSK
S/T
NAME OF INSTALLATION
PL. NO.
DATE/ INFO
DATE/ SOURCE
DA
MO
YR
DA
MO
YR
CONTROL NO.
SOURCE
EVAL
1960
20
Apr
61
SUBJECT: SOVIET SPACE INSTRUMENTATION.
A Mibirian Scientific Research Institute of Terrestrial Magnetism, Ionosphere
and Radiowave Propagation is being organized in Irkutsk as part of the Sibirian
branch of the USSR Academy of Sciences on the basis of the existing facilities
of the Irkutsk Magnetic-Ionospheric Station and the Irkutsk Regional Bureau of
radio forecast. The institute will have five laboratories (terrestrial magnetic
and electricity, ionospheric research, propagation of radiowaves, solar research,
and study of cosmic rays). It will also have a design office, work shops,
library and a group of stations. It will work on the requirements of industrial
and scientific organizations (Ref. Ibid)
2216422
11.1
Str 1962 FC
37285
3. 2410 (2205, 2705, 2805)
S/169/62/000/004/070/103
D218/D302
AUTHORS :
Sergeyev, A. V., and Luzov, A. A.
TITLE :
The barometric coefficient of the neutron component
PERIODICAL:
Referativnyy zhurnal. Geofizika, no. 4, 1962, 13, ab-
stract 4G69 (V. sb. Kosmicheskiye luchi, no. 3, M.,
AN SSSR, 1961, 163-165)
TEXT :
Calculations are reported on the barometric coefficients of
the neutron component of cosmic rays, based on experimental data ob-
tained at Irkutsk and Deep River. The average value of the barome-
tric coefficient for 1958 - 1959 is B = - (0.69 ± 0.01) %/mb. A sea-
sonal variation was established for the barometric coefficient with
a maximum in the summer (0.73 %/mb) and a minimum in the winter
(0.65 %/mb) . [Abstractor's note: Complete translation].
X
SG1A
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FORM
12 - 60
326a
USE PREVIOUS
EDITIONS.
-.. ...
.-.
4.1
PF
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30 SEP 1961
WJR
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89799
438
9, 9110 (2603, 1041, 1046)
11
s/169/61/000/003/017/022
A005/A005
Translation from: Referativnyy zhurnal, Geofizika, 1961, No. 3, p. 32, # 30282
AUTHORS:
Mishin, V. M., Shchepkin, L. A.
TITLE:
Perturbations in the F2-Layer According to Observations at Irkutsk
PERIODICAL:
"Tr. Sibirsk. fiz .- tekhn. in-ta pri Tomskom un-te", 1959, No. 37,
pp. 57-67
TEXT:
The statistical regularities of the "activity" of the F2-layer are .
investigated, i. e., of the irregular fluctuations of the parameters f F2 and h'F2.
Materials from observations at Irkutsk from the period 1948-1952 are used. As a
measure of "activity", the deflections 4 f and h from the median values of the
corresponding magnitudes are taken which were obtained by stable days (in the sense
of the undisturbed ionosphere state) . The correlation between the intensity of
the horizontal component of the Earth's magnetic field and Af is close to zero,
Hence it follows that the influence of magnetic effects on the perturbation of
the F2-layer is small. The fluctuations 4.fl in all seasons have a maximum about
in midday. The diurnal course of the magnitude |4f /f F2 differs from the course
Card 1/3
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A005/A005:
Perturbations in the F2-Layer According to Observations at Irkutsk
of (It) in such a manner that it has a maximum in winter by night. The diurnal
course of [Ahl has a maximum in summer by day, in winter by night. The quantity
/ h| has a maximum in summer. The diurnal course of |Af does not change in
shape at the transition from stable to magnitically disturbed days. The statisti-
cal regularities are individually considered for positive and negative f and 4h.
The diurnal course of the positive / f has by magnetically disturbed days a
complicated structure and a relatively small amplitude; the negative 4 f has a
maximum about in midday and little change at the transition hours with a decrease
in f F2 and inversely. In magnetically disturbed hours, h'F2 always increases
whereat this effect has a maximum by night for A f <0, and by day for Af > 0.
Some other statistical regularities of the magnitudes 4h and 4 f are also studied.
A phase shift between the disturbance indices of the magnetic and ionspheric
characteristics is discovered. The maximum effect of the magnetic disturbance
becomes apparent at 4 h through 6-12 hours after the disturbance. From the analy-
sis of the obtained regularities it is concluded that one can consider the
negative perturbations f F2 as a peculiar magnification of effects which are
analogous to those which cause the anomalies of the F2-layer in summer. The
Card 2/3
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8/169/61/000/003/017/022
A005/A005
Perturbations in the F2-Layer According to Observations at Irkutsk
possible variation in intensity of the ionizing agent SI is estimated .
By a
summer day is 0I > 0 for Af <0. In winter OI, agrees in sign with Af.
L. Shchepkin
Translator's note:
This is the full translation of the original Russian abstract.
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WJR
14 APR 1961
USSR
OFFICIAL USE ONLY
FBIS 60 H 7370
(1/38
The laboratory of time and frequencies of the all-union committee of standards,
measures, and measuring instruments is located at No. 26 Pervaya Sovetskaya sto
in Irkutsk city. Bachelor of technical sciences Lev Nikolayevich Nadeyev is
laboratory director and Andrey Mikhaylovich Moroz is senior scientific worker.
The laboratory building has an apparatus room, a calculating room, a frequency
laboratory, a 10-meter-deep cellar, and two astronomical pavillions equipped with
the latest astronomical instruments to observe movements of stars. At the time
of its establishment 15 years ago, the laboratory's task was to receive time
signals from Japan and transmit them to Moscow; in 1947 it began to determine time
by observing the stars. The laboratory has become the third time transmitting
point in the Soviet Union since 1959. The time signal transmitted by the laboratory
deviates from absolute accuracy by 0,0002 ( two ten-thousandth) of a second. It
transmitts time signals to the eastern and northern regions of the country and
checka time signals transmitted by Soviet and foreign stations, particularly
Moscow, Tashkent, China, Japan, and America. (Irkutsk, Russian, Oct. 30, 1960,
1200 GMT)
FIRM NO.
1117206
CLASSIFICATION
UNCLASSIFIED
PROD
CARD NO.
A"1 27 87.9
CODE !
491 :
COUNTRY
USSR
CODE - P. S.
723
LOCATION
MOSKVA"
DATE/ INFO
DATE/SOURCE
DA.
MO.
YR.
DA.
MO.
YR.
30
10
57
31 7 57
EVAL .
MN. & NO.
REMARKS
INDUSTRIAL CATEGORY CODES
40
The Institute of Terrestrial Magnetism will be the center from which "be prepared" signals
will be sent to all the stations of the Union and to those of the Eurasian countries. These
signals will serve to notify stations and observatories of some espcially interesting geo-
physical phenomena, such as, for instance, the magnetic and ionospheric storms.
A great deal of information is expected from such explorations. There is a possibility of
discovering new interconnections among the geophysical phenomena which will permit to find
ways of solving long distance radio communication problems and other practical questions.
SG1A
SG1A
IRM NO. 2000

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UNCLASSIFIED
21 NOV 1960
WJR
CODE
491
COUNTRY
USSR
PS
CHART
ACTIVITY CODES
438 40- 404
LOCATION
IRKUTSK
S/T
NAME OF INSTALLATION
MIN
DATE/ INFO
DATE/SOURCE
PF
DA
MO
YR
DA
MO
YR
3 Oct 60
CONTROL NO.
FDD
SOURCE
FOREIGN PRESS BULLETION
EVAL
NEW SCIENTIFIC INSTITUTES -- Moscow, Vestnik Akademii Nauk SSSR, No 8, 1960, p 117
The Siberian institute will be built on the base of the Irkutsk
Magneto-Ionosphere Station and the Irkutsk Zonal Bureau of Radio Trans- .
mission Forecasts. The institute will study terrestrial magnetism, :
ionosphere and radiowave propagation, and solar activity and related
phenomena in the territory of Siberia and the Far East. It will provide
magneto-ionosphere service for radio transmission forecasts in this
territory for scientific purposes and for better servicing of the needs
of production and scientific organizations. The structure of the insti-
tute, as approved, will consist of five laboratories (terrestrial magnetism
and electricity, ionosphere studies, radiowave propagation, solar studies,
and cosmic rays ), a design bureau, workshops, libraries, and a network of
stations.
2216 422
MAY 1962 FBG
438
3,5920
AUTHORS
Ivanov, K.G.
32140
- S/534/61/000/021/004/005
DO55/DI14
TITLE:
Geomagnetic phenomena observed at the Irkutsk Magnetic Observatory
after the explosion of the Tunguska meteorite
SOURCE:
Akademiya nauk SSSR. Komitet po meteoritam. Meteoritika, no. 21,
1961, 46-48
TEXT: The author has studied magnetograms of the H, Z and D field components
obtained at the Irkutskaya magnitnaya observatoriya (Irkutsk Magnetic
Observatory) on June 30, 1908. Notable changes in the H and Z components
occurred. The explosion of the meteorite took place at 0 hrs 17.2 mins GMT,
and changes in the field began at 0 hrs 19.5 mins. The greatest changes
occurred in the H component (fig. 1). Within 20 minutes the field increased
by 20 gamma, then remained constant within 1 gamma for 12 minutes and final-
ly diminished by 67 gamma from the highest level over 54 minutes. The K index
remained at 5 between 0 and 3 hours GMT. Fig.2 shows changes in the Z com-
ponent on a scale of 28 gamma. There were no perceptible changes in the D
component. In the case of H and Z components, the phenomena lasted about 1}
Card 1/5
Geomagnetic phenomena
...
32140
S/554/61/000/021/004/005
DO55/D114
hours. They resembled a magnetic storm in that they occurred in three
stages: in the initial phase the field grows, in the main phase it di-
minishes and then come the after-effects. But the scale and duration of all
three phases was less than in magnetic storms. During the same time at the
Sverdlovsk, Pavlovsk and Tbilisi magnetic observatories the field remained
quiet. The author regards these results as an indication that the variations
in the magnetic field were caused by the explosion of the Tunguska meteorite.
It may be assumed that the passage through the ionosphere of a shock-wave
caused by the explosion, gave rise to the increase in tension of the geomag-
netic field. The time delay in these changes after the moment of explosion
was equal to the time taken by the shock-wave to pass from the point of ex-
plosion to the lower boundary of the ionosphere. If the speed of the shock-
wave is taken as 3.3 . 104 cm/seo, and the height of the lower boundary as
80 km, the time delay is 2.4 . 10- seo,, which approximates to the figure
determined from magnetograms - 1.4 . 10- seo. The author expresses thanks
to Professor Yu. D. Kalinin, to V. I. Afanas'yeva and V. M. Mishin, Candidates
of Physical and Mathematical Sciences, to G. V. Kuklin, a junior scientific
associate of the East Siberian branch of the SOAN SSSR.
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321/12/
8/534/61/000/021/004/005
DO55/D114
Geomagnetic phenomena
associate of the Kafedra radiofiziki Irkutskogo gosuniversiteta (Chair of
Radiophysics of the Irkutsk State University), to A. V. Bukhnikivshvili,
Director of the Institut geofiziki (Institute of Geophysics) of the AN
Gruzinskaya SSR, to M. A. Belousova, scientific' associate of the Institut
semnogo magnetizma Akademii nauk SSSR (Institute of Terrestrial Magnetism
of the Academy of Sciences USSR), and to T.N. Panov, scientific associate
of the Sverdlovsk Magnetic Observatory. There are 2 figures, 1 set of
figures and 8 references, of which 4 are Soviet and 4 non-Soviet. The 4.
English-language references are: T. Gold, Gas Dynamics of Cosmic Clouds.
Edit. by H. C. van de Hulst, T.M. Burgers, Amsterdam, 1955; S.F. Singer',
Trans. Amer. Geophys. Union, 38, 2, 1957; H.E. Petschek, Rev. Mod. Phys.,
30, 1958, 966; H. Uyeda, H. Maeda, A. Kimpara, T. Obayashi, S. Ishikava, a.
Y. Kawabata, J. Geomagn, and Geoelectr., 11, 42, 1959. Abstracters note:
Essentially verbatim translation.
Card 7
3/5
Geomagnetic phenomena
...
32140
S/534/61/000/021/004/005
DO55/D114
X
+ΔΗ
2
Card 4/5
Geomagnetic phenomena ...
Fig. 2 Changes in the Z component
: of the Earth's magnetic field
observed at the Irkutsk Magnetic
Observatory after the explosion of
the Tunguska meteorite
(GMT; no correction).
32140
S/534/61/000/021/004/005.
DO55/D114
+42
0h
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X
Fig. 1 Changes in the H component of the
Earth's magnetic field observed at the
Irkutsk Magnetic Observatory after the
explosion of the Tunguska meteorite
(GMT; marking correction for one hour
4.2 min).

11/19/
~~ WJR
2216422
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S/030/60/000/008/010/013
B021/B054
402,404
AUTHOR :
None given
TITLE:
News in Brief
PERIODICAL ::
Vestnik Akademii nauk SSSR, 1960, No. 8, p. 117
TEXT: 1) On the Organization of the Sibirskiy institut zemnogo
magnetizma, ionosfery i rasprostraneniya radiovoln (Siberian Institute
of Geomagnetism, Ionosphere, and Propagation of Radio Waves ). The
Presidium decided to establish this Siberian institute in Irkutsk within
the framework of the Sibirskoye otdeleniye (Siberian Department), on the
basis of the Irkutskaya magnitno-ionosfernaya stantsiya (Irkutsk
Magnetic-ionospherical Station) and the Irkutskoye zonalnoye byuro
radioprognozov (Irkutsk Zone Office of Radio Forecasts). The structure
of this institute consisting of five laboratories (for geomagnetism .and
electricity, investigations of the ionosphere, propagation of radio
waves, investigations of the sun, cosmic rays), as well as a design
office, workshops, a library, and a group of stations, was approved.
Card 1/3
News in Brief
S/030/60/000/008/010/013
BO21/B054
2) On the Organization of the Polyarnyy geofizicheskiy institut
(Geophysical Polar Institute). The Presidium decided to establish the
Geophysical Polar Institute within the framework of the Kol'skiy filial
im. S. M. Kirova (Kola Branch imeni S. M. Kirov) in order to coordinate
the geophysical research work carried out on the Kol'skiy Peninsula
by institutes of the Akademiya nauk SSSR (Academy of Sciences USSR).
This institute is to be established in Murmansk/on the basis of the local
department of the Institut zemnogo magnetizma, ionosfery i
rasprostraneniya radiovoln (Institute of Geomagnetism, Ionosphere, and
Propagation of Radio Waves), of the Lovozerskaya stantsiya Instituta
fiziki Zemli (Lovozero Station of the Institute for the Physics of the
Earth), and of the seysmicheskaya stantsiya "Apatity" (Seismic Station
"Apatity" ). S. I. Isayev, Candidate of Physical and Mathematical Sciences,
was appointed Deputy Director of the institute. 3) Award of Name Prizes.
On a resolution by the expert commissions, the following name prizes
were awarded for 1960: the Prize imeni P. P. Anosov of 20.000 rubles to
I. A. Oding, Corresponding Member AS USSR, V. S. Ivanova, V. V.
Burdukskiy, V. N. Geminov, Candidates of Technical Sciences, for their
Card 2/3
News in Brief
S/030/60/000/008/010/013
B021/B054
paper on the theory of creeping and the durability of metals; the Prize
imeni N. N. Miklukho-Maklay of 10.000 rubles to M. G. Levin, Doctor of
Historical Sciences, for his paper "Etnicheskaya antropologiya i
problemy etnogeneza narodov Dal'nego Vostoka" (Ethnic Anthropology and
Problems of Ethnogenesis of the Peoples of the Soviet Far East).
4) On the Organization of the "Zhurnal vychislitel'noy matematiki i
matematicheskoy fiziki". In the place of the publication of nonperiodical
collective volumes on calculating mathematics, the above-mentioned
periodical is to be published as from 1961 as the organ of the Otdeleniye
fiziko-matematicheskikh nauk (Department of Physical and Mathematical
Sciences) six times a year comprising 12 printed sheets in an. edition
of 3,000 copies. One copy will cost 15 rubles. Academician A. A.
Dorodnitsyn's appointment as chief editor of the periodical was approved.
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3/3

2216422
11/49/ I
WIJK
1 6 FEB 1960
438
SOV/20-126-3-28/69
AUTHOR :
TITLE:
On the Anomaly of the Electrotellurium Field in the Region of
the Ushkan'i Isles (Baykal Lake) (Ob anomalii elektrotelluri-
cheskogo polya v rayone Ushkan'ikh ostrovov (oz. Baykal))
PERIODICAL :.
Doklady Akademii nauk SSSR, 1959, Vol 126, Nr 3,
PP 561 - 564 (USSR)
ABSTRACT:
In the years 1950 - 1956 a group of the Irkutskoy geofizicheskoy
observatorii (Irkutsk Geophysical Observatory) at Baykal carried
out measurements of the terrestrial field. These measurements
were carried out by recording the variation of the earth poten-
tial by means of a measuring instrument consisting of two di-
poles, which were erected in the meridional and latitudinal
directions. The two measurements shown by figure 1, which were
carried out simultaneously at Baykal and in Bol'shoy Ushkan:'i,
showed a simultaneous variation of the electrotellurium field
at both points. Figure 2 shows a measurement of a short-period
oscillation of the electrotellurium field. The amplitude of the
irregular oscillations amounted to an average of 250 - 300 mv/km
and, in the case of strong perturbations, it exceeded 500 mv/km.
The maximum gradient of the constant variation of this field
is 98 mv/km. The direction of the resulting electrotellurian
field is given with a deviation of 10-15° from the meridian,
On the Anomaly of the Electrotellurium Field in the
Region of the Ushkan'i Isles (Baykal Lake)
SOV/20-126-3-28/69.
within the Listvenichnyy rayon. as amounting to 45-60 . When
investigating the causes of these phenomena it is shown that
little is as yet known about this region, that the water of
Baykal Lake has a low electric conductivity, and that the earth
current in this region has a strength which is near that above
the water. In conclusion, the influence of geological formations
is investigated, in which connection papers by G. Yu. Vereshcha-
gin and V. V. Lamakin are mentioned. There are 3 figures, 2
tables, and 5 Soviet references.
ASSOCIATION:
Irkutskaya magnitno-ionosfernaya stantsiya Nauchno-issledovatel'-
skogo instituta zemnogo magnetizma, ionosfery i rasprostraneniya
radiovoln(Irkutsk Magneto-ionospherical Station of the Scienti-
fic Research Institute for Terrestrial Magnetism, the Ionosphere,
and the Propagation of Radio Waves)
PRESENTED :
February 4, 1959, by V. V. Shuleykin, Academician
SUBMITTED :
January 10, 1959
Card 2/2
FIRM NO.
2216422
CLASSIFICATION
UNCLASSIFIED
CARD NO.
WJR
6 JAN 1960
CODE
491
COUNTRY
USSR
CODE . P. S .
11
LOCATION
IRKutsk
INDUSTRIAL CATEGORY CODES
438
DATE/ INFO
DATE/ SOURCE
EVAL .
MN . & NO.
REMARKS
DA .
MO.
YA.
DA.
NO .
YR.
CIA NO.
AND SOURCE
SG1A
20 2 59
INFORMATION ON SOVIET BLOC INTERNATIONAL GEOPHYSICAL COOPERATION -- 1959
Neasurecches on Vertical Component of Earth's Electric Field
The results of observations on the vertical component of the Earth's
electric field according to measurements conducted in the fresh-water
Lake Baykal are presented. ("Measurement of the Vertical Component of
the Earth's Electric Field in Lake Baykal,
by P. A. Vinogradov, Irkutsk
Approved chor Release 200 1/03/1:
Geofizicheskaya, No 1, Jan 59, pp 83-86)
Card 1/2
Vinogradov, P. A. .
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FIRM NO.
CLASSIFICATION
PROCESSING DATE
WJR
CODE
COUNTRY
PS
AF CHART
ACTIVITY CODES
LOCATION
IRKUTSK
S/T
NAME OF INSTALLATION
MIN
DATE/ INFO
DATE /SOURCE
DA
MO
YR
DA
MO
YR
CONTROL NO.
SOURCE VOLUMES 13, # 8
MANILY THEFI OF RUSSIAN ACCESSIOPS
EVAL
FART D -- PERIODICALS
An estariak (*) appearing before a periodical title indicates that it is
available in full English translation. For publishers of such translated.
periodicalo, their subscription prices, ote., 008 listing at ond of this loque.
SUBJECT INDEX TO MONOGRAPHS AND PERIODICALS
Akademiia nauk SSSR. Vestnik (Academy of Sciences of the U.S.S.R. Journal)
IRKUTSK-GEOPHYSICAL RESEARCH
Organization of the Siberian Institute of Terrestrial
Magnetism, Ionosphere, and Radio Wave Propagation.
Vest, AN SSSR 30 no. 8:117 Ag "+60,
2
FORM
REPLACES FORM 326A. 6-58
FIRM NO.
2216422
CLASSIFICATION
UNCLASSIFIED
PROCESSING DATE
31 MAY 1961
WJR
CODE
491
COUNTRY
USSR
PS
11
AF CHART
ACTIVITY CODES
438
MIN
DATE/ INFO
DATE/SOURCE
PF
DA
MO
YR
MO
DA
YR
CONTROL NO.
23 June 60
SOURCE NO. 122 -- 1960
FBIS DAILY USSR' & EE
DD 4
EVAL
LOCATION
Irkutsk
S/T
NAME OF INSTALLATION
NEW SCIENCE INSTITUTE -- The presidium of the Siberian branch of the USSR
Academy of Sciences has decided to open an institute of terrestrial
magnetism and ionosphereic and radiowave propagation in Irkutsk. This
is the 13th scientific geological establishment in Siberia. . . (Moscow,
Home, June 22, 1960, 1600 GMT -- L) (UNCLASSIFIED)
REPLACES FORM 326A, 6 - 58
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2216422
491/1
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CODE
4.91
COUNTRY
USSR
CODE . P.S .
1131
LOCATION
IRKUTSK
INDUSTRIAL CATEGORY CODES
438
DATE/ INFO
DATE/SOURCE
EVAL .
MN. & NO.
REMARKS
DA.
MÔ.
YR.
DA.
NO.
YR.
1 8 58
CIA NO.
AND SOURCE PB 131632-25
SOVIET BLOC INTERNATIONAL GEOPHYSICAL YEAR INFOEM.
Ionospheric Perturbations Classified by Soviet Scientist
Ionospheric perturbations according to the data on the middle-latitude stations
(Leningrad, Moscow, Sverdlovsk, Irkutsk / and Alma-Ata) are discussed by N.V.
Mednikova. According to an abstract of her article "Ionospheric Perturbations
in the Middle Latitudes," in Fizika Korpuskulyarnykh Potokov i ikh Vozdeystriye
na Verkhnyuyu Atmosfery Zemli (Physics of Solar Corpuscular Flows and their
Effect on the Upper Atmosphere of the Earth), Academy of Sciences USSR, 1957,
pp 183-244, 245, Mednikova presents a classification of disturbances by different
types in relation to the symbol and value of variations of the critical frequency
of F2 (f F2) from the sliding median values (A pert. f F2)
FORM NO.
1 NOV 54
TinM' AV.
-6022758
2216422
Official Use Only
2 9 DEC 1958
CODE :
49/
COUNTRY
USSR
CODE - P. S.
1131
LOCATION
IRKUTSK
INDUSTRIAL CATEGORY CODES
438
DATE/ INFO
DATE/SOURCE
EVAL.
MN. & NO.
REMARKS
DA .
MO.
YR.
DA.
NO.
YR.
CIA NO.
22 9 .58
AND SOURCE
SUMMARY OF WORLD BROADCASTS, BBC
Printing chronometers have been dispatched to Irkutsk and Barnaul from the
Leningrad electric-clock works. These new instruments can measure time with an
accuracy of the 5,000th part of a second. Since they register the time simultaneously
with calculating it they can be used for astronomical purposes. Already 115 instruments
have been made for the USSR Acadamy of Sciences. (Moscow 19.30, 10.9.58)
SG1A
....
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329 a
(20)
Middle Latitude STA.

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q-U-
22 Approved For Release 2001/03/26 : CIA-RDR86400987R000500130084-3-109-
1
AUTHOR:
Solov'yev, S.L.
WJR
TITLE:
Meeting of Seismological Section of the Ac. Sc. USSR 22 MAR 1960
on the Question of Seismic Division into Districts
(Sessiya soveta po seysmologii AN SSSR po voprosam
seysmicheskogo rayonirovaniya)
PERIODICAL: Izvestiya Akademii Nauk SSSR, Seriya Geofizicheskaya,
1958, Nr 8, pp 1054 - 1056 (USSR)
ABSTRACT: The meeting took place on March 20 - 26, 1958, in Moscow,
About 150 members from various districts of the USSR were
present. Over 30 papers were read.
S. V. Medvedev (Institut fiziki Zemli AN SSSR - Institute
of Terrestrial Physics Ac. S .. USSR) described the modern.
trends in seismic divisions in Russia and abroad. He
listed the main drawbacks of the present division maps of
the USSR prepared in 1957 and suggested ways of improvement.
B. A. Petrushevskiy (Institute of Terrestrial Physics,
Ac. Sc. USSR) read the paper about the relation between
the earthquakes of maximum intensity and geological
conditions. The author was working on seismic properties
of both the Asian alpine and the Asian plateau regions,
including those of the Paleozoic base. He observed that
Card1/10 the regions of plateaux have considerably stronger
Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
earthquakes in comparison with the alpine ones, with a far
greater number of earthquakes in the latter.
The cause
of this phenomenon could be the difference in strength of
the materials between these two kinds of regions.
Yu. V. Riznichenko and I.L. Nersesov (as above) described
a numerical method of seismic division into districts.
Their hypothesis was based on a relation between the
number of the earthquakes of various intensities as esti-
mated from literature and found experimentally by the
Tajik seismic expedition of the Institute. The authors
showed a close correlation of the number of earthquakes
and their intensities for various regions. They introduced
a method where the seismic characteristics are expressed
by means of correlation graphs. The frequency of weak
earthquakes could be employed in order to predict the major
ones. A mathematical calculation for determination of the
various data was given.
i. A. Vvedenskaya ( as above) stated in her report that,
according to
experimentation carried out in Central
Asia, the distribution of the weak earthquakes does not
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Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
correlate with the earlier earthquakes of maximum intensity.
It is possible, however, to draw a boundary enclosing the
strong, early earthquakes as determined from the observations
of the weak ones.
A.Z. Kats ( as above) referred to the physical basis
of separating small areas (micro-division). The relation
of the intensity of oscillation at the surface of sedi-
mentary layers to that of the crystallic base could be
explained not so much by the physical properties of the
.
rocks but by the resonant properties of the layers. The
theoretical calculations of these properties agree very well
with the data obtained from both the weak earthquakes and
the general observations of the provisional seismic
stations. For the better seismic differentiations,
the
author suggests considering the seismic deformations
rather than the amplitude of oscillations.
A calculation of the dislocation at the surface of a layer
as related to its resonant properties, with consideration
Approved Forfpdamping of the seismic energy in the interior of the laye:
(as above).
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Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
V. V. Popov ( Voyenno-inzhenernaya akademiya - Military
Engineering Academy) gave a summary of the geological and
engineering investigations which should precede
. con-
struction of a map for a small area.
showed the procedure in micro-dividing
As an example, he
a mountain.
A. N. Safaryan ( Institut stroitel'nogo dela 'AN Gruzinskoy
SSR - Institute of Construction Ac. Sc. Georgian SSR)
described a method of micro-dividing carried out on the
areas where large hydro-technical constructions in the
Caucasus and Central Asia were erected. He stressed the
need of preserving the documentation of the old, major earth-
quakes.
I. v. Sukhov (Moldavskiy filial AN SSSR - Moldavian Branch
of the Ac. Sc. USSR) gave a short description of the geological
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Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
structure of the eastern slopes of the Eastern Carpathian
Mountains and indicated the possibility of the isoseismics
.
of the Carpathian earthquakes running across the structural
line of the South Bessarabian Range., which was established
recently in the course of drilling oilwells. On the evidence
of this and other observations made by the author during
the earth quake in 1940, adjustments were made in the
seismic divisions of Moldavia with the transfer of part of
the Kishinev area into the eight-mark region.
Ye. I. Byus and A. D. Tskhakay (Institute of Geophysics of
the Ac. Sc. Georgian SSR) showed how the Caucasus region
is divided seismologically as a result of the extensive
seismic observations carried out on its Russian side.
V.A. Rastvorova and D.N. Rustanovich (Institute of
Terrestrial Physics Ac . Sc. USSR) gave an account of the
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Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
Institute's expedition to Krasnaya 'Polyana region where
seismic and tectonic structure of the southern slopes of
the West Caucasus Mountains ( between Sochi and Sukhumi)
were investigated.
I. V. Kirillova and A. A. Sorsky ( Institute of Terrestrial
Physics, Ac. Sc. USSR) presented a map of seismic divisions
of Caucasus in 1:1 000 000 scale and described the method
of its compilation - also a map in 1:200 000 scale of
West Turkmenia was described by I.A. Rezanov , V.A. Rastvorova
and N. N. Leonov ( as above).
S. V. Puchkov (as above) told about the geological differe-
ntiation of the Ashkhabad earthquake area, based on the
seismic observations of the provisional stations.
N.P. Kostenko (Geologicheskiy fakultet Moskovskogo
Universiteta - Geological Faculty of Moscow University)
Approved For Release 963Of the newest movements of the
higher regions of central WARD96-99787RQ00500130084-and
explained how the longitudinal and transversal river valleys
www. amalarna in an attempt to find the direction and.

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Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
Ty
intensity of these movements.
V. I. Bune ( Institut seysmologii AN Tadzhikskoy SSR -
Institute of Seismology of the Ac. Sc. Tajik SSR) and
S. A. Zakharov (Institut geologii AN Tadzhikskoy SSR -
Institute of Geology of the Ac. Sc. Tajik SSR) gave an
account of the seismic observations in connection with
the work on the hydro-technical construction on the River
Vakhsh. They also reviewed some of the seismic data
obtained from the instrumental measurements of the
Stalinabad area.
Thipe
A. T. Kon'kov (Seysmicheskaya stantsiya "Andizhan" -
Seismic Station "Andizhan")
gave a seismic history of
the Fergana Valley with an emphasis on the periodic
character of the major earthquakes in that region and
the apparent migration down the Fergana break of their
focus.
Yu. V. Fesenko (Seismic Station "Naryn") presented some
details of several strong earthquakes in
Central
Kirgizia.
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V.K. Iodko (Seismic Station "Namangan") described a
Var continued
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Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
method of collecting the macro-seismic data of earthquakes
and stressed the importance of the extensive collection
of the non-destructive earthquake data.
N. A. Florensov, A. A. Tres kov and V. P. Solonenko
E
(Vostochno-Sibirskiy filial AN SSSR - East-Siberian
Branch of the Ac . Sc, USSR) gave a short account of their
project of the seismic divisions of
East Siberia.
The greatest part of Zabaykal'e region, together with the
area of Muya earthquake in 1957 they included into the
eighth-marked region.
N. M. Organova ( Dal'nevostochnyy filial AN SSSR - Far East
Branch of the Ac. Sc. USSR) outlined a project of seismic
divisions of the peninsula Trudnyy ..
G. D. Panasenko (Kol'skiy filial AN SSSR - Kola Branch of
the Ac. Sc. USSR) referred to the tectonic interpretation
of the seismic phenomena of the Kola Peninsula
M. D. Ferchev ( Sakhalinskiy kompleksnyy. nauchno-issledovatel'-
skiy institut AN SSSR - Sakhalin Research Institute of the
Ac. Sc. USSR) described the project of seismic and tectonic
divisions of Sakhalin.
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Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
G. P. Gorshkov ( Geological Department of Moscow University)
spoke of the desirability of the work on seismic divisions
on the territories adjacent to the USSR.
I. V. Kirillova presented a composite chart of the seismic
conditions of Caucasus, Turkey and Western. Urals.
G. N. Korostin ( Institut fiziki i geofiziki AN. Turkmenskoy
SSR - Institute of Physics and Geophysics of the Turkmenian
SSR) described an accellograph, a device for recording the
acceleration of strong earthquakes.
M.P. Barshteyn ( Tsentral'nyy nauchno-issledovatel' skiy
institut stroitel'nykh konstruktsiy Akademii stroitel'stva
i arkhitektury SSSR - Central Research Institute of
Construction and Architecture Academy USSR) told of an
application of the probability method in dynamic computation
of the seismic effect on constructions.
A. G. Nazarov ( Ac. Sc. Armenian SSR) spoke on an application
of the comparison method for the experimentation on the
seismic condition of constructions.
Two papers were received by post:
M.M. Rubinshteyn ( Geological Institute Ac. Sc. Georgian SSR)
Card9/10 on "Geological Data for the Seismic Divisions of Georgia"
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Meeting of Seismological Sections of the Ac. Sc. USSR on the Question
of Seismic Division into Districts
Ye.P. Denisov and A.M. Smirnov (Far East Branch of the
Ac. Sc. USSR) on "The Latest Slow Movements of the South
Coast and the Adjacent Areas".
About 20 members took part in the discussions, the main
subject of which was the necessity of continuation of work
on the seismic divisions. Some minor scientific reports.
were also announced.
The detailed account of the meeting will be published in
the Bulletin of Seismology.
A talk on the results of a preliminary inspection of the
epicentral region of the Gobi-Altay ( Mongolia) earthquake
on December 4, 1957, was given by A. A. Treskov, N. A.
Florensov and V. P. Solonenko .
The discussion on some
administrative matters concluded the meeting.
1. Earthquakes __ USSR
2. Seismological station -- USSR
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USCOMM-DC-60024
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FIRM NO.
CLASSIFICATION
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OFFICIAL USE ONLY
CARD. NO.
CODE
491
COUNTRY
USSR
CODE - P. S.
1131
LOCATION
Zuy
INDUSTRIAL CATEGORY CODES
40
PRO
DATE/ INFO
DATE/SOURCE
EVAL .
MN. & NO.
REMARKS
DA.
MO.
YR.
DA.
MO.
YR.
IGY Observatory
20 12 57
CIA NO.
AND SOURCE SOVIET BLOC IGY INFORMATION
FDD SUMMARY 1611
HEADING:
Main Geophysical Observatory at the Beginning of the IGY
N. P. Rusin, chief of the Methods Division of the Main Geophysical
Observatory imeni Voyeykov, discusses the activity at the observatory at
the time of the opening of the IGY as follows.
SOURCE:
(Znaniye-Sila, No 9, Sep 57, p 24)
Before the official opening of the IGY, associates of eight stations
conducting observations on atmospheric electricity met in Leningrad. Some
of these stations, Murmansk, Leningrad, Kiev, and Odessa, are located along
a meridian, and others, Sverdlovsk, (Irkutsk, Tashkent, and Yuzhno-Sakhalin,
deployed in a latitude direction. In Leningrad, the associates of these
stations received new and unique instruments especially made for the IGY
and learned how to use them. These instruments permit not only the measure-
ment of the intensity of the electrical field of clouds, but also the re-
cording of the number of electrical charges in a cloud, the determination
of the time nnterval between discharges during which the charge is built up
again in the cloud and a flash of lightning occurs.
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