Monday, June 30, 2014

Report on 1887 Sonora earthquake now online












Saturday night's M5.2 Duncan earthquake triggered renewed interest in the M7.2 Sonora earthquake that shook much of the same region but with roughly 1,000 times as much energy. 

In response, Dubois and Smith’s “The 1887 Earthquake in San Bernardino Valley, Sonora: Historic Accounts and Intensity Patterns in Arizona” is now online at the AZGS document repository for reading or download -



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