Isostatic residual gravity anomaly grid for the conterminous US

Measurements of the gravitational field vary slightly from place to place due to the composition and structure of Earth's crust. This digital grid describes the isostatic residual gravity anomaly for the conterminous US.

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Show in a web browser window:

Show in Google Earth or other KML viewer:

Gravity_Anomaly.kmz (compressed (includes both Bouguer and Isostatic anomaly) 1k bytes)

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/gravity (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/wfs/gravity (WFS, version 1.1.0)

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Get the entire data set:

isostatic_sdd.e00.gz (ArcInfo interchange GRID 3.5 MB gzipped)

USgrv_iso_SDD_geog.tif (GeoTIFF (Geographic, NAD83) 3.0 M bytes)

More data of this type: a source of gravity station measurement (point) data collected in many different studies

Documentation