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Published on 28 December 2015

EARTHQUAKE SCENARIOS (DETERMINISTIC ASSESSMENT OF SEISMIC RISK) OF LARGE CITIES OF ARMENIA

Babayan H., Hovhannisyan G., Babayan S., Gevorgyan M.

It is well known that seismic risk of the Armenian territory is very high. The sequels of Spitak Earthquake in 1988 gave evidence of it. Damage level and losses caused by the earthquake were incommensurate with its magnitude (M=6. 9).

It is extremely important to mark out what proper lessons have been learned from Spitak earthquake for big cities of Armenia, what is the real level of seismic hazard, and what the damage rate will be in the cities in case such or even more violent earthquake (the worst scenario) occurs nowadays.

Lately, in the framework of international and national projects, deterministic assessments of seismic risk for big cities of Armenia have been conducted. The works have been implemented by the following consequent steps: probable and deterministic assessment of seismic hazard of the cities and the adjacent areas - the choice of theearthquake scenario (based on the hazard deaggregation and seismotectonic model) - risks determination for each of the chosen scenarios.

The risk assessments results will serve as the basis for national and local authorities for action planning in case of severe earthquakes.

CityYerevan
CountryArmenia
UDC550.34
Issue2015, № 4(26)
Key wordsearthquake, risk assessment, soil model, vulnerability analysis, lifeline systems, building inventory, casualty vulnerabilities, damage and loss assessment
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Categories: Articles

Tags: землетрясение, оценки риска, модель грунта, анализ уязвимости, коммуникационные системы, строительство защитных конструкций, уяз- вимость при непредвиденных обстоятельствах, оценка ущерба и потерь

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ISSN 1998-4502 (Print)                                                            ISSN 2499-975Х (Online)