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Map Releases

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 Oklahoma Seismicity map of the State of Oklahoma

The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States (Algermissen, 1969) which have been recompiled and updated through 1979. These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment of intensities to earthquakes...

Seismicity map of the state of Pennsylvania Seismicity map of the state of Pennsylvania

The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States in the United States (Algermissen, 1969) which have been recompiled and updated through 1977. These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment of...

Seismicity map of the state of South Dakota Seismicity map of the state of South Dakota

The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States in the United States (Algermissen, 1969) which have been recompiled and updated through 1977. These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment of...

Seismicity map of the states of Connecticut and Rhode Island Seismicity map of the states of Connecticut and Rhode Island

The earthquake data shown on this map and listed in tables 1 and 2 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States in the United States (Algermissen, 1969) which have been recompiled and updated through 1977. These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment...

Seismicity map of the states of Delaware and Maryland Seismicity map of the states of Delaware and Maryland

The earthquake data shown on this map and listed in tables 1 and 2 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States (Algermissen, 1969) which have been recompiled and updated through 1977. These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment of intensities to...

Summary appraisal of water resources in the Redmond quadrangle, Sanpete and Sevier Counties, Utah Summary appraisal of water resources in the Redmond quadrangle, Sanpete and Sevier Counties, Utah

This map was compiled in conjunction with an energy-related geologic-mapping project on the Redmond Quadrangle (Witkind, 1980) in order to show the general availability and chemical quality of water in the area. The map is based chiefly on data collected by the U.S. Geological Survey under a continuing cooperative program with the Utah Department of Natural Resources, Division of Water...
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