Earthquake loss estimation for the New York City Metropolitan Region |
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| Authors: | Michael W Tantala Guy JP Nordenson George Deodatis Klaus Jacob |
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| Institution: | aTantala Associates, Consulting Engineers, Philadelphia, PA, USA;bSchool of Architecture, Princeton University, USA;cDepartment of Civil Engineering and Engineering Mechanics, Columbia University, USA;dLamont-Doherty Earth Observatory, Columbia University, USA |
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| Abstract: | This study is a thorough risk and loss assessment of potential earthquakes in the NY–NJ–CT Metropolitan Region. This study documents the scale and extent of damage and disruption that may result if earthquakes of various magnitudes occurred in this area. Combined with a detailed geotechnical soil characterization of the region, scenario earthquakes were modeled in HAZUS (Hazards US), a standardized earthquake loss estimation methodology and modeling program. Deterministic and probabilistic earthquake scenarios were modeled and simulated, which provided intensities of ground shaking, dollar losses associated with capital (the building inventory) and subsequent income losses. This study has also implemented a detailed critical (essential) facilities analysis, assessing damage probabilities and facility functionality after an earthquake. When viewed in context with additional information about regional demographics and seismic hazards, the model and results serve as a tool to identify the areas, structures and systems with the highest risk and to quantify and ultimately reduce those risks. |
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| Keywords: | Earthquake loss estimation NYCEM HAZUS Risk Management Infrastructure Scenarios Critical facilities |
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