9 February, Prof Mario Gustavo Ordaz Schroeder will present the seminar: "Models for earthquake loss estimation: construction and applications"

On February 9 at 15.00, at seminar room "Antonio Michelato" - OGS, Borgo Grotta Gigante, prof. Mario Gustavo Ordaz Schroeder of Universidad Nacional Autónoma de México (UNAM), will present the seminar "Models for earthquake loss estimation: construction and applications".

Prof Ordaz Schroeder will visit OGS within the framework of research project related to seismic hazards. 

The meeting will start with a short presentation of the OGS activities by the Office for research promotion and international cooperation.

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Abstract

The general approach to build earthquake loss estimation models is presented. The approach is designed for insurance purposes, in order to compute pure premiums and probable maximum losses in portfolios of buildings. Some of its main features are the following:
1) Earthquake motions are characterized in terms of acceleration response spectra, so both intensity and frequency content are accounted for.
2) Response spectrum transfer functions are used to compute response spectra that include site effects.
3) The approach uses displacement-based vulnerability functions to estimate the damage ratio from the maximum inter-story drift. Based on this inter-story drift, a probability density function is obtained to compute the expected annual loss and the probable maximum loss of the structure
Application examples will be presented, as well as extensions for other perils.