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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.
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July 12, 2022—Kīlauea summit eruption reference map July 12, 2022—Kīlauea summit eruption reference map
This reference map depicts the ongoing Kīlauea summit eruption on July 12, 2022.
July 7, 2022 - Kīlauea summit UAS thermal map July 7, 2022 - Kīlauea summit UAS thermal map
Uncrewed aircraft systems (UAS) flights on July 7, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
June 21, 2022—Kīlauea summit eruption reference map June 21, 2022—Kīlauea summit eruption reference map
This reference map depicts the ongoing Kīlauea summit eruption on June 21, 2022.
June 17, 2022—Kīlauea summit thermal maps June 17, 2022—Kīlauea summit thermal maps
A helicopter overflight on June 17, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
Kīlauea Volcano crater filling as of May 2022 Kīlauea Volcano crater filling as of May 2022
This map of the Kīlauea summit is mostly identical to the May 16, 2022, eruption reference map, but also included here are west to east topographic profiles across the caldera.
May 18, 2022—Kīlauea summit UAS thermal maps May 18, 2022—Kīlauea summit UAS thermal maps
Unoccupied aircraft systems (UAS) flights on May 18, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
May 16, 2022—Kīlauea summit eruption reference map May 16, 2022—Kīlauea summit eruption reference map
This reference map depicts the ongoing Kīlauea summit eruption on May 16, 2022.
Geologic maps of the Stephenson and Winchester quadrangles, Frederick and Clarke Counties, Virginia, and Inwood and White Hall quadrangles, Berkeley and Jefferson Counties, West Virginia Geologic maps of the Stephenson and Winchester quadrangles, Frederick and Clarke Counties, Virginia, and Inwood and White Hall quadrangles, Berkeley and Jefferson Counties, West Virginia
The study area consists of four contiguous 7.5-minute quadrangles and is located in Frederick and Clarke Counties, Virginia, and Berkeley and Jefferson Counties, West Virginia. The individual quadrangles are Stephenson, Winchester, Inwood, and White Hall. The study area lies within the Great Valley subprovince of the Valley and Ridge physiographic province where about 23,000 feet (ft) (7...
May 10, 2022—Kīlauea summit thermal maps May 10, 2022—Kīlauea summit thermal maps
A helicopter overflight on May 10, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.
Quantifying and visualizing 32 years of agricultural land use change in Kabul, Afghanistan Quantifying and visualizing 32 years of agricultural land use change in Kabul, Afghanistan
Agriculture is a key element of Afghanistan’s economy and plays an essential role supporting the expanding population and urban development of Kabul, the country’s capital. Over the past decades the urban landscape has changed substantially and agricultural land use has shifted in its extent, location, and density. Identifying trends in the amount of agricultural area, as an indication...
Potentiometric surface, 2014–15, and water-level differences, 2009 to 2014–15, in the Chicot equivalent aquifer system in southeastern Louisiana Potentiometric surface, 2014–15, and water-level differences, 2009 to 2014–15, in the Chicot equivalent aquifer system in southeastern Louisiana
The U.S. Geological Survey constructed the potentiometric surface of the Upland terrace and upper Ponchatoula aquifers and the “400-foot” sand using the altitude of water levels from 121 wells measured January 2014 to March 2015. Differences in water levels in the Upland terrace and upper Ponchatoula aquifers and “400-foot” sand were measured at 55 wells in 2009 and again at the same...
Bathymetric contour maps, surface area and capacity tables, and bathymetric change maps for selected water-supply lakes in northwestern Missouri, 2019 and 2020 Bathymetric contour maps, surface area and capacity tables, and bathymetric change maps for selected water-supply lakes in northwestern Missouri, 2019 and 2020
Bathymetric data were collected at 12 water-supply lakes in northwestern Missouri by the U.S. Geological Survey, in cooperation with the Missouri Department of Natural Resources and in collaboration with various local agencies, as part of a multiyear effort to establish or update the surface area and capacity tables for the surveyed lakes. Ten of the lakes were surveyed from July to...