Investigations into seismic discrimination between earthquakes, chemical explosions and nuclear explosions

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In this report we describe some results of investigations on a problem of discrimination between nuclear explosions, chemical explosions and earthquakes, carried out in the Complex Seismological Expedition of the Joint Institute of Physics of the Earth of the Russian Academy of Sciences. Records of underground nuclear explosions from the Semipalatinsk test site, and from region the Pre-Caspian depression, and also records of nearby chemical explosions and earthquakes were processed. We analysed records of permanent and temporary stations, located mainly in the North Tien Shan, northern Kazakhstan and Urals regions. We studied the influence of regional conditions on the effectiveness ... continued below

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227 p.

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Kopnichev, Y. F.; Aptikaev, F. F. & Antonova, L. V. August 1995.

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Description

In this report we describe some results of investigations on a problem of discrimination between nuclear explosions, chemical explosions and earthquakes, carried out in the Complex Seismological Expedition of the Joint Institute of Physics of the Earth of the Russian Academy of Sciences. Records of underground nuclear explosions from the Semipalatinsk test site, and from region the Pre-Caspian depression, and also records of nearby chemical explosions and earthquakes were processed. We analysed records of permanent and temporary stations, located mainly in the North Tien Shan, northern Kazakhstan and Urals regions. We studied the influence of regional conditions on the effectiveness of seismic monitoring of nuclear explosions. Various amplitude criteria of the discrimination between explosions and earthquakes are considered. We analyzed possibilities to discriminate different source types using spectral-temporal characteristics of seismograms. The nature of some wave types, recorded at region distances, is investigated. We consider possibilities of discrimination between nuclear and chemical explosions and earthquakes using analysis of characteristics of irregular waves. We outline future investigations, connected with the study of the unique set of seismograms kept in the CSE.

Physical Description

227 p.

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OSTI as DE95017844

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  • Other Information: PBD: Aug 1995

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  • Other: DE95017844
  • Report No.: UCRL-CR--121900
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/105019 | External Link
  • Office of Scientific & Technical Information Report Number: 105019
  • Archival Resource Key: ark:/67531/metadc625803

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Office of Scientific & Technical Information Technical Reports

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  • August 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 18, 2016, 6:32 p.m.

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Kopnichev, Y. F.; Aptikaev, F. F. & Antonova, L. V. Investigations into seismic discrimination between earthquakes, chemical explosions and nuclear explosions, report, August 1995; California. (digital.library.unt.edu/ark:/67531/metadc625803/: accessed January 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.