Belkhiri K. & Kalla M., 2021: Rapid assessment of the forecasted seismic intensity by analysis of the distribution of epicenters – case of Tebessa city (north-east Algiers). Acta Geologica Slovaca, 13, 2, 167–176.


Rapid assessment of the forecasted seismic intensity by analysis of the distribution of epicenters – case of Tebessa city (north-east Algiers)

Kamel Belkhiri & Mehdi Kalla

Laboratory of Natural Hazards and Spatial Planning, Institute of Earth and Universe Sciences, University of Batna 2, 53 Road of Constantine, Fésdis, Batna 05078, Algeria; Kam.belkhiri@gmail.com

Abstract

This paper presents a rapid assessment procedure of the maximum seismic intensity in Tebessa. The macro-seismic and instrumental data were exploited from the seismicity of North-Eastern Algeria spread over the period 1856–2013. The data was studied in two steps: (1) attenuation of the seismic intensity by the relations of Shebalin and Ganse, and (2) estimation of the seismic hazard by the probabilistic method, which resulted in a maximum seismic intensity of 6.12 for a return period of 475 years on the Modified Mercalli scale, which could affect the city of Tebessa.


Key words: Eastern Algeria, city of Tebessa, seismicity, intensity, rapid assessment


Manuscript received: 2021-03-29

Revised version accepted: 2021-09-07


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