Geophysical Unit of Menlo Park, Calif.

In Cooperation with the Southern Nevada Water Authority (SNWA)

U.S. Geological Survey
Open-File Report 2008-1300
Version 1.0

Results of Gravity Fieldwork Conducted in March 2008 in the Moapa Valley Region of Clark County, Nevada

By Daniel S. Scheirer and Arne Døssing Andreasen


screenshot of cover showing desert scene

In March 2008, we collected gravity data along 12 traverses across newly-mapped faults in the Moapa Valley region of Clark County, Nevada. In areas crossed by these faults, the traverses provide better definition of the gravity field and, thus, the density structure, than prior gravity observations. Access problems prohibited complete gravity coverage along all of the planned gravity traverses, and we added and adjusted the locations of traverses to maximize our data collection. Most of the traverses exhibit isostatic gravity anomalies that have gradients characteristic of exposed or buried faults, including several of the newly-mapped faults.


Download the text of this report as a 40-page PDF file (of2008-1300.pdf; 4.1 MB).


View the Readme file that explains the Digital Gravity Data file linked below (of2008-1300_readme.txt; 10 kB).

Download the gravity data as a .csv file (of2008-1300_gravity_data.csv; 20 kB).

For questions about the content of this report, contact Dan Scheirer

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