Érmellék seismic source zone

Zsíros, T (2006) Érmellék seismic source zone. Acta Geodaetica et Geophysica Hungarica, 41 (2). pp. 237-247. ISSN 1217-8977

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Abstract

The source parameters and dimensions of the tow strongest earthquakes (July 1, 1829, Io = VII-VIII EMS; October 15, 1834, Io = IX EMS) in Ermell´ ´ ek area are estimated as follows Date of the event Focal depth Magnitude Rupture area Max. displacement July 01, 1829 21–33 km 5.5–5.7 33–55 km2 11–16 cm October 15, 1834 23–28 km 6.5–6.6 266–358 km2 74–90 cm The average recurrence that we may expect an earthquake of M ≥ 0.7 every 1 year, an earthquake of M ≥ 2.9 every 10 years and an earthquake of M ≥ 5.0 every 100 years in this source zone. The probabilistic seismic hazard assessment predicts 1.1–1.4 m/cm2 peak ground accelerations, and 6.3–7.4 maximum (theoretical) earthquake intensity values with 10% chance of exceedance for an exposure time of 100 years in the area.

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