Frequently, one sees comparisons and rankings of the various states. Perhaps it is interesting to compare the states by numbers of earthquakes. The main value of such a ranking is to provide an additional means to convey the importance of earthquake hazard awareness to the general population and to motivate earthquake preparedness and mitigation in the more active states.

We consulted the catalog of earthquakes compiled by the Advanced National Seismic System (ANSS) and made available through the Northern California Earthquake Data Center ( The catalog contains data from 1898 to 2005. Earthquakes in the catalog with magnitude...

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