Earthquake Recurrence And Seismic Hazard
Assessment: A Comparative Analysis Over The
Italian Territory
Author(s)
A. Peresan, A. Magrin, A. Nekrasova, V. G. Kossobokov
& G. F. Panza
Abstract
Rigorous and objective testing of seismic hazard assessments against real
seismic activity are a necessary precondition for any responsible seismic risk
assessment. The reference hazard maps for the Italian seismic code, obtained
with the classical probabilistic approach (PSHA) and the alternative ground
shaking maps based on the neo-deterministic approach (NDSHA) are crosscompared
and tested against the real seismicity for the territory of Italy. NDSHA
is a methodology that allows for the sound definition of credible scenario events,
based on the realistic physical modelling of ground motion from a wide set of
possible earthquakes. The flexibility of NDSHA permits to account for
earthquake recurrence and allows for the generation of ground motion maps at
specified return periods that permits a straightforward comparison between the
NDSHA and the PSHA maps.
Keywords: seismic hazard, neo-deterministic method, recurrence, probabilistic
method.
Keywords
seismic hazard, neo-deterministic method, recurrence, probabilistic
method
Related Book
Other papers in this volume
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