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Title: Natural Gas Disaster Planning And Recovery: The Loma Prieta Earthquake
Author: Steven H. Phillips, J. Kris Virostek
Source: American Gas Association 1990
Year Published: 1990
Abstract: On October 17, 1989, at 5:04 p.m., a 7.1-magnitude earthquake ruptured a segment of the San Andreas fault approximately 60 miles south of San Francisco, California. Also referred to as the Loma Prieta earthquake, this was the worst natural disaster in Northern California since 1906. More than 60 lives were lost and property damage estimates range from 7 to 11 billion. Included in the damages were portions of PG&Es gas facilities. Three low-pressure gas systems were shut down and rebuilt, and over 160,000 customers required service restoration. This paper describes PG&Es emergency preparedness programs, the companys response during the earthquake, and the restoration process. Starting with the evening of October 17, the paper details the recovery operation from initial damage assessments through the rebuilding of damaged systems. The paper discusses cost recovery alternatives and communications within and outside the company. Lessons learned from the disaster also are documented.




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