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Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 

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Seismicity map of the State of Maine Seismicity map of the State of Maine

The earthquake data for the state of Maine shown on this map and listed in table 1 was taken from the U.S. Geological Survey catalog of earthquakes (Hays, and others, 1975). This list of earthquakes was originally compiled for use in preparing the Seismic Risk Studies in the United States (Algermissen, 1969) and has been updated through 1974. The catalog is reasonably complete through...
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