GIS Data
USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, GloVIS, LandsatLook, and much more. Explore GIS Data Maps.
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Geologic map of the Alamosa 30’ × 60’ quadrangle, south-central Colorado Geologic map of the Alamosa 30’ × 60’ quadrangle, south-central Colorado
The Alamosa 30'× 60' quadrangle is located in the central San Luis Basin of southern Colorado and is bisected by the Rio Grande. The Rio Grande has headwaters in the San Juan Mountains of Colorado and ultimately discharges into the Gulf of Mexico 3,000 kilometers (km) downstream. Alluvial floodplains and associated deposits of the Rio Grande and east-draining tributaries, La Jara Creek...
Flood-inundation maps for South Fork Peachtree Creek from the Brockett Road bridge to the Willivee Drive bridge, DeKalb County, Georgia Flood-inundation maps for South Fork Peachtree Creek from the Brockett Road bridge to the Willivee Drive bridge, DeKalb County, Georgia
Digital flood-inundation maps for a 5.3-mile reach of South Fork Peachtree Creek that extends from about 500 feet above the Brockett Road bridge to the Willivee Drive bridge were developed by the U.S. Geological Survey (USGS) in cooperation with DeKalb County, Georgia. The flood-inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science Web site at http:/...
Landsat satellite image shows June 27th lava flow Landsat satellite image shows June 27th lava flow
This satellite image was captured on Tuesday, October 13, 2015 by the Landsat 8 satellite.
Map showing flow field changes Map showing flow field changes
This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.
Small-scale map of flow field Small-scale map of flow field
This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i.
Bedrock geologic map of the Worcester South quadrangle, Worcester County, Massachusetts Bedrock geologic map of the Worcester South quadrangle, Worcester County, Massachusetts
The bedrock geology of the 7.5-minute Worcester South quadrangle, Massachusetts, consists of deformed Neoproterozoic to Paleozoic crystalline metamorphic and intrusive igneous rocks in three fault-bounded terranes (zones), including the Avalon, Nashoba, and Merrimack zones (Zen and others, 1983). This quadrangle spans the easternmost occurrence of Ganderian margin arc-related rocks...