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USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
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. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.
Geologic Maps
Geologic Maps
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Map Releases
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Topo Maps
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Volcanic Maps
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Satellite image of area around front of Kīlauea’s East Rift Zone lava flow Satellite image of area around front of Kīlauea’s East Rift Zone lava flow
This large-scale map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea’s active East Rift Zone lava flow.
Large-scale map of Kīlauea’s East Rift Zone lava flow Large-scale map of Kīlauea’s East Rift Zone lava flow
This large-scale map shows the distal part of Kīlauea’s active East Rift Zone lava flow in relation to nearby Puna communities.
Satellite image of area around front of Kīlauea’s East Rift Zone lava flow Satellite image of area around front of Kīlauea’s East Rift Zone lava flow
This large-scale map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea’s active East Rift Zone lava flow.
Small-scale map of Kīlauea’s East Rift Zone lava flow Small-scale map of Kīlauea’s East Rift Zone lava flow
This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to lower Puna.
Large-scale map of Kīlauea’s East Rift Zone lava flow Large-scale map of Kīlauea’s East Rift Zone lava flow
This large-scale map shows the distal part of Kīlauea’s active East Rift Zone lava flow in relation to nearby Puna communities.
Satellite image of area around front of Kīlauea’s East Rift Zone lava flow Satellite image of area around front of Kīlauea’s East Rift Zone lava flow
This large-scale map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea’s active East Rift Zone lava flow.
Thermal overlay of distal part of flow field Thermal overlay of distal part of flow field
This map overlays a georegistered mosaic of thermal images collected during a helicopter overflight of the distal part of Kīlauea’s active East Rift Zone lava flow on January 6 at about 11:30 AM.
Satellite image of area around front of Kīlauea’s East Rift Zone lava flow Satellite image of area around front of Kīlauea’s East Rift Zone lava flow
Image showing a close-up of the June 27th lava flow in the area of Kaohe Homesteads and Pāhoa.
Geologic map of Alaska Geologic map of Alaska
Summary This map and associated digital databases are the result of compilation and interpretation of published and unpublished 1:250,000-scale and limited 1:500,000- to 1:63,360-scale maps. Covering the entire state of Alaska, it reflects more than a century of work by a host of geologists and almost two decades of compilation work. There are two versions of the map: a detailed digital...
Surficial geology and stratigraphy of Pleistocene Lake Manix, San Bernardino County, California Surficial geology and stratigraphy of Pleistocene Lake Manix, San Bernardino County, California
Pluvial Lake Manix and its surrounding drainage basin, in the central Mojave Desert of California, has been a focus of paleoclimate, surficial processes, and neotectonic studies by the U.S. Geological Survey (USGS) since about 2004. The USGS initiated studies of Lake Manix deposits to improve understanding of the paleoclimatic record and the shifts in atmospheric circulation that...
Bedrock geologic and structural map through the western Candor Colles region of Mars Bedrock geologic and structural map through the western Candor Colles region of Mars
The Candor Colles are a population of low, conical hills along the southeast flank of Ceti Mensa, in west Candor Chasma, within the Valles Marineris system of Mars (fig. 1). Ceti Mensa and the adjacent Candor Mensa are mounds of layered sedimentary deposits and are the most prominent landforms within west Candor Chasma. Prior to the arrival of the Mars Reconnaissance Orbiter (MRO) in...
Quaternary geologic map of the north-central part of the Salinas River Valley and Arroyo Seco, Monterey County, California Quaternary geologic map of the north-central part of the Salinas River Valley and Arroyo Seco, Monterey County, California
Arroyo Seco, a perennial drainage in the central Coast Range of California, records a sequence of strath terraces. These terraces preserve an erosional and depositional history, controlled by both climate change and regional tectonics. These deposits have been mapped and correlated on the basis of field investigations, digital terrain analysis, stream gradient profiles, evaluation of...