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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 4, issue 1
Nat. Hazards Earth Syst. Sci., 4, 53–58, 2004
https://doi.org/10.5194/nhess-4-53-2004
© Author(s) 2004. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
Nat. Hazards Earth Syst. Sci., 4, 53–58, 2004
https://doi.org/10.5194/nhess-4-53-2004
© Author(s) 2004. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  01 Mar 2004

01 Mar 2004

Tectonic sources of caucasus strong earthquakes

M. Kachakhidze1, N. Kachakhidze1, R. Kiladze2, V. Kukhianidze2, and G. Ramishvili2 M. Kachakhidze et al.
  • 1Tbilisi State University, Chavchavadze st. 2, Tbilisi 380028, Georgia
  • 2Abastumani Astrophysical Observatory, Kazbegi av. 2a, Tbilisi 380060, Georgia

Abstract. The method called "phase cone" is developed in order to define the location, time of arising and velocity of the earthquakes initiating the low-speed interference stress waves. From the data of the strong earthquakes with M≥6.0 in Caucasus region during 1900-1992, the immigrators or tectonic sources of low-speed waves were revealed, interference nodes of which had initiated 19 earthquakes out of total 33.

The time of arising of low-speed stress waves or periods of awaking of tectonic sources is defined.

The velocities of constant initiative waves for all events were calculated. Its average value is equal to 2.97km per year.

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