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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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December 25, 2020—Kīlauea summit preliminary lava lake depth map

December 25, 2020 preliminary map of the lava lake depth at 2:15 p.m. HST.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

December 23, 2020—Kīlauea summit eruption thermal map

December 23, 2020—Kīlauea summit eruption thermal map constructed from aerial imagery

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

December 23, 2020—Kīlauea summit preliminary lava lake depth map

December 23, 2020 preliminary map of the lava lake depth at 11:44 a.m. HST.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

December 22, 2020—Kīlauea summit eruption thermal map

December 22, 2020—Kīlauea summit eruption thermal map constructed from aerial imagery

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

December 22, 2020—Kīlauea summit eruption lava lake depth map

Kīlauea summit eruption lava lake depth map generated from December 22, 2020 imagery

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Bedrock geologic map of the Springfield 7.5- x 15-minute quadrangle, Windsor County, Vermont, and Sullivan County, New Hampshire

The bedrock geology of the 7.5- by 15-minute Springfield quadrangle consists of highly deformed and metamorphosed Mesoproterozoic through Devonian metasedimentary and meta-igneous rocks. In the west, Mesoproterozoic gneisses of the Mount Holly Complex are the oldest rocks and form the eastern side of the Chester dome. The Moretown slice structurally overlies the Chester dome along the Keyes Mounta
By
Florence Bascom Geoscience Center

December 21, 2020—Kīlauea summit eruption reference map

Kīlauea summit eruption reference map showing the location of current and previous lake activity

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

December 21, 2020—Kīlauea summit interferogram

This “interferogram” was created from satellite radar data acquired over Kīlauea Volcano on December 6 and 21 (at 6 PM HST each day). The colored fringes show ground deformation that occurred during that 15-day period. Each fringe is equivalent to about 1.55 cm (0.6 in) of ground deformation towards or away from the satellite.

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

December 21, 2020—Kīlauea summit eruption lava lake depth map

Kīlauea summit eruption lava lake depth map generated from December 21, 2020 imagery

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

December 21, 2020—Kīlauea summit eruption thermal map

December 21, 2020—Kīlauea summit eruption thermal map constructed from aerial imagery

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Bathymetric map, surface area, and capacity of Grand Lake O’ the Cherokees, northeastern Oklahoma, 2019

The U.S. Geological Survey (USGS), in cooperation with the Grand River Dam Authority, completed a high-resolution multibeam bathymetric survey to compute a new area and capacity table for Grand Lake O’ the Cherokees in northeastern Oklahoma. Area and capacity tables identify the relation between the elevation of the water surface and the volume of water that can be impounded at each water-surface
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Oklahoma-Texas Water Science Center

Geologic map and borehole stratigraphy of Hinkley Valley and vicinity, San Bernardino County, California

Hinkley Valley, in the central to western Mojave Desert of southeastern California, has a long historical record owing to its position as a crossroads for rail and road traffic and its position adjacent to the Mojave River. Subflow in the Mojave River provided groundwater recharge that maintained water consumption and demand by way of shallow wells for local agriculture in the valley. Its crossroa
By
National Cooperative Geologic Mapping Program, Geology, Minerals, Energy, and Geophysics Science Center
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