Seismicity of the Western-Carpathians

Zsíros, T. (2005) Seismicity of the Western-Carpathians. Acta Geodaetica et Geophysica Hungarica, 40 (3-4). pp. 455-467. ISSN 1217-8977

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Abstract

The source parameters and dimensions of the three most important earthquakes (Zsolna – Jan. 15, 1858, I o = VIII EMS; J ́ ok ̋ o – Jan. 9, 1906, I o = VIII EMS; J ́ ok ̋ o – Jan. 16, 1906, I o = VII–VIII EMS) of the area studied are estimated as follows Event Magnitude Rupture area Max. displacement Jan. 15, 1858 Zsolna 5.5 22–36 km 2 8–11 cm Jan. 9, 1906 J ́ ok ̋ o5.7 M S 40–55 km 2 12–16 cm Jan. 16, 1906 J ́ ok ̋ o5.3 M S 12–24 km 2 4–8 cm The average recurrence that we may expect an earthquake of M ≥ 2.3 every 1 year, an earthquake of M ≥ 3.7 every 10 years and an earthquake of M ≥ 5.1 every 100 years in this source zone. The probabilistic seismic hazard assessment predicts 1.2– 1.7 m/sec 2 peak ground accelerations, and 6.6–7.2 maximum (theoretical) earthquake intensity values with 10% chance of surpassing for an exposure time of 100 years in the area.

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