Seismic Instruments

, Volume 53, Issue 4, pp 356–369 | Cite as

Estimating the number of blasts in the Dushanbe-Vakhsh earthquake catalog



The daily periodicity in four regions of the Dushanbe–Vakhsh area is analyzed. The study considers representative, nonrepresentative, and intermediate-energy earthquakes. Analysis of the specific features of the shape of the diurnal variation on workdays and weekends make it possible (1) to reliably conclude that the anomalous daily variation on workdays in medium-energy earthquake samplings is of technogenic origin and (2) suggest similarities in samplings of the weakest and strongest earthquakes. Apparently, the catalog includes a large number of industrial blasts. The number of blasts in earthquake samplings of various epochs and energies is estimated.


seismicity diurnal earthquake periodicity artificial earthquakes industrial blasts earthquake catalog contamination Dushanbe–Vakhsh area 


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© Allerton Press, Inc. 2017

Authors and Affiliations

  1. 1.Schmidt Institute of Physics of the EarthMoscowRussia

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