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Paper Abstract and Keywords
Presentation 2017-10-04 13:10
GPR measurements to assess the characteristics of active faults in Mongolia -- GPR and active faults in Mongolia --
Maksim Bano, Jean-Remi Dujardin, Antoine Schlupp (Strasbourg Univ.), Nyambayar Tsend-Ayush, Ulziibat Munkhuu (NRIAG)
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper we present the GPR results obtained on Emeelt and Songino faults in the vicinity of Ulaanbaatar, Mongolia. The objective is to understand the geometry, type of displacements and amplitude of these faults. The 2D and pseudo-3D GPR profiles are measured by using the 50, 250 and 500 MHz antennas. An appropriate processing of the GPR data, including the topographic migration, allows us to bring out indirect characteristics of these faults. The 500 MHz GPR profiles show a good consistency with the trenches observation, dug next to the pseudo-3D surveys on Emeelt fault. The 3D GPR imaging of a paleo-channel crossed by the Emeelt fault allows us to estimate its lateral displacement (of about 2 m) associated to its activity. It is consistent with a right lateral strike-slip displacement induced by an earthquake of magnitude around 7 or several of magnitude at least around 6. The 250 MHz GPR images of Songino fault show clear vertical apparent displacement of 1.3 m of radar reflections but it does not correspond to real displacement, as the fault is also associated with a strike slip component. GPR images indicate the presence of sedimentary deposits, potentially datable and affected by previous earthquakes.
Keyword (in Japanese) (See Japanese page) 
(in English) GPR / active faults / trenches / seismic hazard / Ulaanbaatar / Mongolia / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 222, SANE2017-43, pp. 1-6, Oct. 2017.
Paper # SANE2017-43 
Date of Issue 2017-09-27 (SANE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SANE  
Conference Date 2017-10-04 - 2017-10-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Maison franco - japonaise (Tokyo) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) The 14th workshop on subsurface electromagnetic measurement 
Paper Information
Registration To SANE 
Conference Code 2017-10-SANE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) GPR measurements to assess the characteristics of active faults in Mongolia 
Sub Title (in English) GPR and active faults in Mongolia 
Keyword(1) GPR  
Keyword(2) active faults  
Keyword(3) trenches  
Keyword(4) seismic hazard  
Keyword(5) Ulaanbaatar  
Keyword(6) Mongolia  
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Keyword(8)  
1st Author's Name Maksim Bano  
1st Author's Affiliation Strasbourg University (Strasbourg Univ.)
2nd Author's Name Jean-Remi Dujardin  
2nd Author's Affiliation Strasbourg University (Strasbourg Univ.)
3rd Author's Name Antoine Schlupp  
3rd Author's Affiliation Strasbourg University (Strasbourg Univ.)
4th Author's Name Nyambayar Tsend-Ayush  
4th Author's Affiliation Institute of Astronomy and Geophysics (NRIAG)
5th Author's Name Ulziibat Munkhuu  
5th Author's Affiliation Institute of Astronomy and Geophysics (NRIAG)
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Speaker
Date Time 2017-10-04 13:10:00 
Presentation Time 40 
Registration for SANE 
Paper # IEICE-SANE2017-43 
Volume (vol) IEICE-117 
Number (no) no.222 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-SANE-2017-09-27 


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