GEO Lessons learned from the Loma Prieta, California ERQK earthquake of Oct. 17, 1989. USGS, 1989
GEO Northridge, California earthquake of January 17, 1994. ERQK Earthquakes & Volcanoes, 1994
GEO Schulz, Sandra S. ERQK The San Andreas Fault. USGS, 1989
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