State-by-State List of Mining Regions

This list contains significant sources of seismic events that are listed in the "Routine Mining Seismicity in the United States", its predecessor "Probable Mining Explosions in the United States", or in earthquake catalogs of the USGS/NEIC.

Sources are identified by names of nearby communities.

Names of Source Regions in Catalogs covering May-November, 1997

For catalogs covering May-November, 1997, epicenters of many of the suspected explosions are described in terms of generalized source regions. Use of these generalized source regions was discontinued for events occurring after November, 1997. Names of the generalized source regions were as follows: