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Shebalin (ed.), 1974

Shebalin N.V. (ed), 1974. Atlas of isoseismal maps. III, UNDP-UNESCO Survey of the seismicity of the Balkan region. Skopje, 275 pp.

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Abstract

This volume is published as Part III of the Catalogue of Earthquakes of the Balkan Region which was issued in April 1974 as a basic collection of main earthquake parameters. Realizing the importance of isoseismal maps for further studies, the participating countries we're invited, at the very beginning of the project activities in December 1970, to make every effort to collect or compile as many isoseismal maps as possible. The response was very encouraging and more than 50.0 isoseismal maps were collected, of which 454 were finally selected for printing.

Dr. N. V. Shebalin, UNESCO expert in cataloguing, acted as editor of this volume. He checked all maps and completed or recompiled some of them; he also generalized the shape of all isoseismals for further application in determining the intensity- attenuation curves and in calculating focal depths. The original isoseismals drawn by national experts are preserved, the generalized isoseismals of Dr. Shebalin being drawn by thin lines. The maps covering more than one country required comparison and combination of individual sections. Technical problems related to these Operations are described by Dr. Shebalin in his explanatory text to the Catalogue for the years 1901-1970 (Part I, pp. 22-23).

As can be seen in the Atlas, there is no uniformity in the way of drawing isoseismals; some authors prefer a very detailed shape respecting every observation point, others prefer some kind of generalization of the macroseismic field and emphasize its main features rather than local variations of intensity. There are certain good reasons behind both approaches related to the further use of isoseismal maps. The most valuable are the maps on which the individual intensity data are plotted; they prevail in the Atlas and everybody can interpolate the isoseismals according to need, opinion and other factors.

The maps are disposed in chronological order which is sometimes slightly disturbed for technical reasons; therefore a list of maps and corresponding pages follows the Foreword. The key of each map indicates the basic earthquake parameters, symbols used, authors and the scale. A large portion of the maps had to be redrawn and this work was carefully done by Mr. I. Todorov at the Project Office.

All originals were drawn on scale 1:1 million, however, for printing purposes, the size of all maps was reduced proportionally from 1:2 to 1:4 approximately. The lay-out of the maps and all technical printing problems were arranged by Mr. V. Andjelkovic.

The present set of maps represents a unique collection of basic seismological information and all those who contributed to its preparation and printing deserve appreciation for their devoted and efficient work.

Nell'archivio ci sono In the archive there are 37 terremoti provenienti da questo studio: earthquakes considered from this study:


   
molto grandiextra large
   
grandilarge
   
medimedium
   
piccolismall
   
molto piccolivery small
non parametrizzatinot determined
falsifake
 

Clicca sulla riga per individuare il terremoto sulla mappa o sulla lente per ottenere più informazioni.Click the row to highlight the earthquake on the map or the lens to obtain more information.

  DataDate    Area epicentraleEpicentral area    MDPs   Imax  EQ in
EPICAv1.1
EQ in
EPICAv1.1
Riferim. in
EPICAv1.1
EPICAv1.1
reference
  PDF PDF 
1667 04 06 08Yugoslavia (Dubrovnik)  -  -    
1790 04 06 19 29Romania  -  -    
1821 11 17 13 45Romania  -  -    
1829 11 26 01 40Romania  -  -    
1838 01 23 18 45Romania  -  -    
1845 10 11Greece  -  -    
1855 02 28 15Turkey  -  -    
1858 09 20Albania  -  -    
1861 12 26 06 49Greece (Corinth)  -  -    
1870 08 01 00 40Greece  -  -    
1879 10 10 15 45Yugoslavia  -  -    
1879 10 10 18 30Yugoslavia  -  -    
1879 10 11 02 45Yugoslavia  -  -    
1880 11 09 06 33Yugoslavia  -  -    
1881 04 03 11 30Greece  -  -    
1889 08 25 19 30Greece  -  -    
1889 10 25 23 19Greece  -  -    
1893 04 08 14 09Yugoslavia  -  -    
1893 04 08 16 41Yugoslavia  -  -    
1893 04 09 00 50Yugoslavia  -  -    
1893 04 10 02 29Yugoslavia  -  -    
1893 04 10 22 57Yugoslavia  -  -    
1893 04 22 10 12Yugoslavia  -  -    
1893 04 29 22 45Yugoslavia  -  -    
1893 05 20 20 42Yugoslavia  -  -    
1893 05 31 19 13Yugoslavia  -  -    
1893 06 14Albania  -  -    
1893 07 27 19 54Yugoslavia  -  -    
1893 08 17 14 35Romania  -  -    
1893 09 10 03 40Romania  -  -    
1894 04 20 16 52Greece (Lokris)  -  -    
1894 04 27 19 42Greece (Lokris)  -  -    
1894 12 10 14 06Yugoslavia  -  -    
1895 04 14 20 17Slovenia  -  -    
1897 07 15 05 57Slovenia  -  -    
1898 06 02 21 42Greece  -  -    
1899 05 15 10 57Yugoslavia  -  -