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Seismic hazard maps of Croatia (CROSBI ID 594128)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Herak, Marijan ; Allegretti, Ivo ; Herak, Davorka ; Ivančić, Ines ; Kuk, Krešimir ; Marić, Krešimir ; Markušić, Snježana ; Sović, Ivica Seismic hazard maps of Croatia // Geophysical Challenges of the 21st Century. Zagreb, 2011. str. 43-43

Podaci o odgovornosti

Herak, Marijan ; Allegretti, Ivo ; Herak, Davorka ; Ivančić, Ines ; Kuk, Krešimir ; Marić, Krešimir ; Markušić, Snježana ; Sović, Ivica

engleski

Seismic hazard maps of Croatia

The long overdue, new seismic hazard map of Croatia has been prepared and accepted as a part of the National Annex of the Eurocode-8. Earthquake hazard is presented by the values of peak ground acceleration (PGA) expected to be exceeded on the average every 95 and 475 years. Underlying statistical analyses was based on the updated Croatian Earthquake Catalogue, which was expanded with the data for events well outside Croatian borders. The hazard computation was performed on a grid 5.5 x 5.5 km, by a zoneless, smoothed seismicity approach, with the stochastic Monte- Carlo simulation of 2.000.000 years of seismicity. The computations were performed for 6 different seismicity models, and for 6 selected attenuation relations. Epistemic uncertainties were accounted for by considering a simple logic tree with 36 branches, and by adopting the weighted median of values thus obtained. The results indicate the highest hazard to exist in Dalmatia – especially close to Ston and Dubrovnik where PGA for the return period of 475 years exceeds 0.35 g, in the greater Zagreb area, and in the Primorje coastal region. Comparison with the available hazard maps from the neighbouring countries reveals very good match in the border regions.

Croatia; seismic hazard; maps

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Podaci o prilogu

43-43.

2011.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

Geophysical Challenges of the 21st Century

Zagreb:

Podaci o skupu

Geophysical Challenges of the 21st Century

poster

02.12.2011-02.12.2011

Zagreb, Hrvatska

Povezanost rada

Geologija

Poveznice