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USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.

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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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Generalized potentiometric maps of the Fort Union, Hell Creek, and Fox Hills aquifers within the Standing Rock Reservation

Generalized potentiometric surfaces of the Fort Union, Hell Creek, and Fox Hills aquifers were constructed to assess the groundwater resources of the Standing Rock Reservation. Additionally, this information can provide water managers with tools and data to effectively manage water resources in the future. Previous studies that mapped the geology and hydrogeology of the area at differing scales we
By
Dakota Water Science Center

February 1, 2024—Summary map of recent unrest at Kīlauea Volcano

This map shows recent unrest at Kīlauea volcano. Yellow circles mark earthquake locations from January 31, 2024, through noon on February 1, 2024, as recorded by HVO seismometers.

By
Natural Hazards Mission Area, Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Mapping Arundo donax (Arundo cane) with multispectral imagery before, during, and after herbicide treatment along the Rio Grande in Webb County, Texas, 2020–21

Arundo donax, commonly called Arundo cane, giant reed, or Carrizo cane, is an invasive bamboo-like perennial grass common in riparian areas throughout the southwestern United States. In Texas, not only does it negatively affect riparian ecosystems, but it has also become a problem for border security because it reduces visibility along the Rio Grande. To address these problems, in 2015 the Texas S
By
Oklahoma-Texas Water Science Center

January 8, 2024—Summary map of recent unrest at Kīlauea Volcano

This map shows recent unrest at Kīlauea volcano. Yellow circles mark earthquake locations from November 30, 2023 through January 8, 2024, as recorded by HVO seismometers

By
Natural Hazards Mission Area, Volcano Hazards Program, Kīlauea

December 12, 2023—Summary map of unrest at Kīlauea Volcano

This map shows recent unrest at Kīlauea volcano.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Surficial geologic map of the Owlshead Mountains 30' x 60' quadrangle, Inyo and San Bernardino Counties, California

The surficial geologic map of the Owlshead Mountains 30' x 60' quadrangle depicts the distribution and characteristics of surficial-deposit materials and neotectonic deformation for an area of approximately 5,000 square kilometers (km2) located in the western Basin and Range Province of eastern California. The map represents a new compilation of the surficial geology that encompasses deposits with
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Geology, Minerals, Energy, and Geophysics Science Center

Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within northern Bexar and Comal Counties, Texas

During 2020–22, the U.S. Geological Survey, in cooperation with the Edwards Aquifer Authority, revised a previous publication that described the geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within northern Bexar and Comal Counties, Texas. This report presents the refined maps and descriptions of geologic framework and hydrostratigraphy of the Edwards and Trinity aqu
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Oklahoma-Texas Water Science Center

November 5, 2023—Summary map of intrusive activity at Kīlauea Volcano

This map shows recent unrest at Kīlauea's summit and Southwest Rift Zone.

By
Natural Hazards Mission Area, Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Stratigraphic Cross Sections of the Lewis Shale in the Eastern Part of the Southwestern Wyoming Province, Wyoming and Colorado

Three stratigraphic cross sections A–A', B–B', and C–C' were created for the Lewis Shale and associated strata in the eastern part of the Southwestern Wyoming Province of Wyoming and Colorado. The cross sections highlight 15 clinothems within the Lewis Shale, Fox Hills Sandstone, and Lance Formation progradational system (also referred to as the Lewis Shale system). Additionally, the cross section
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Energy Resources Program, Central Energy Resources Science Center

October 24, 2023—Summary map of intrusive activity at Kīlauea Volcano

This map shows recent unrest at Kīlauea summit.

By
Natural Hazards Mission Area, Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

October 24, 2023 — Reference map of September 2023 Kīlauea summit eruption

This reference map depicts the Kīlauea summit region following the most recent eruption in September 2023.

By
Natural Hazards Mission Area, Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

October 12, 2023—Summary map of intrusive activity at Kīlauea Volcano

This map shows recent unrest in Kīlauea’s summit region. Colored fringes denote areas of ground deformation and yellow circles denote earthquake locations.

By
Natural Hazards Mission Area, Volcano Hazards Program, Volcano Science Center, Hawaiian Volcano Observatory, Kīlauea
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