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- Title
Nisqually Earthquake Electric Utility Analysis.
- Authors
Park, Jaewook; Nojima, Nobuoto; Reed, Dorothy A.
- Abstract
The performance of an urban electric utility distribution system was evaluated for the February 2001 Nisqually earthquake. The restoration rate of the lifeline following the event was determined; the distribution of outage durations was estimated; and correlations between lifeline damage and instrumental Modified Mercalli intensity, peak ground velocity, and peak ground acceleration values were ascertained using a GIS (geographical information systems) approach. Using a logit regression analysis, a fragility curve was developed for the lifeline in a manner similar to O'Rourke's formulation of water-line performance (O'Rourke et. al. 2000). Extrapolation of the model to the Seattle Fault earthquake scenario was made to demonstrate its feasibility for prediction.
- Publication
Earthquake Spectra, 2006, Vol 22, Issue 2, p491
- ISSN
8755-2930
- Publication type
Article
- DOI
10.1193/1.2198872