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Seismic Examples <br /> Year Magnitude Impacts <br /> Loma Prieta, Bay 1989 6.9 Water outages mostly less than a few days; <br /> Area fire suppression water was an issue <br /> Northridge, So. Cal 1994 6.7 Over 100 fires; water system damage mostly in <br /> areas of poor soils; outage durations 8 to 13+ <br /> days <br /> Kobe, Japan 1995 6.9 109 fires immediately after earthquake <br /> (another 88 in surrounding cities); 60+ days <br /> for restoration of service <br /> Christchurch, NZ* 2011 6.2 45+ days to restore of service <br /> Tohoku, Japan* 2011 9.0 345 fires; 45+ days for substantial restoration <br /> of service <br />