What is seismic risk?
Seismic risk is the mathematical and engineering measure to evaluate the expected damage following a possible seismic event.
The seismic risk depends on an interaction of the following factors:
– hazard : it is the probability that an expected earthquake of a certain intensity will occur in a certain area and in a certain period of time and is linked to the seismic zone in which the building is located;
– vulnerability : is the assessment of the consequences and is linked to the building’s ability to withstand the earthquake;
– exposure : it is the socio-economic evaluation of the consequences; that is, how many and what are the assets and the value of what can be damaged due to the earthquake, for example how many people live in the area and risk their safety and the value of the things they own.
SEISMIC RISK = DANGER x VULNERABILITY x EXPOSURE
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