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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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Filter Total Items: 9495

Map of steepest descent paths in area of eruptive fissures, Kīlauea East Rift Zone

Locations of eruptive fissures in the order that they occurred in the Leilani Estates Subdivision

By
Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Satellite image of eruptive fissures and area covered with lava, Leilani Estates

Eruptive fissures and areas covered by lava in the Leilani Estates subdivision

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Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Kīlauea East Rift Zone Map as of 8:00 a.m., May 4

Locations, mapped by USGS-HVO scientists, of the three eruptive fissures in the order that they occurred in the Leilani Estates Subdivision

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Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Map of ongoing intrusion and earthquake activity along Kīlauea's East Rift Zone

Ongoing intrusion and earthquake activity along Kīlauea's East Rift Zone

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Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

April 30th, 2018, Puʻu ʻŌʻō crack

Recent changes to Kīlauea's East Rift Zone lava flow field and Pu‘u ‘Ō‘ō cone.

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Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Halemaʻumaʻu Overflow Map

Recent Lava Lake overflows within Kīlauea's Halemaʻumaʻu crater.

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Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Uranium concentrations in groundwater, northeastern Washington

A study of uranium in groundwater in northeastern Washington was conducted to make a preliminary assessment of naturally occurring uranium in groundwater relying on existing information and limited reconnaissance sampling. Naturally occurring uranium is associated with granitic and metasedimentary rocks, as well as younger sedimentary deposits, that occur in this region. The occurrence and distrib
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Water Resources Mission Area, Washington Water Science Center

Map of Flow Field

Recent changes to Kīlauea’s East Rift Zone lava flow field.

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Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Satellite image shows location of breakouts on flow field

Image shows that breakouts continue in several areas on the flow field.

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Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea

Geologic map of the Weldona 7.5' quadrangle, Morgan County, Colorado

The Weldona 7.5′ quadrangle is located on the semiarid plains of northeastern Colorado, along the South Platte River corridor where the river has incised into Upper Cretaceous Pierre Shale. The Pierre Shale is largely covered by surficial deposits that formed from alluvial, eolian, and hillslope processes operating in concert with environmental changes from the Pleistocene to the present. The Sout
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Groundwater and Streamflow Information Program, Geosciences and Environmental Change Science Center

Geologic map of the Lower Valley quadrangle, Caribou County, Idaho

The Lower Valley 7.5-minute quadrangle, located in the core of the Southeast Idaho Phosphate Resource Area, includes Mississippian to Triassic marine sedimentary rocks, Pliocene to Pleistocene basalt, and Tertiary to Holocene surficial deposits. The Mississippian to Triassic marine sedimentary sequence was deposited on a shallow shelf between an emergent craton to the east and the Antler orogenic
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Energy and Minerals Mission Area, Energy Resources Program, Mineral Resources Program, National Laboratories Program, Science and Decisions Center, Geology, Minerals, Energy, and Geophysics Science Center

Geologic map of the Nepenthes Planum Region, Mars

This map product contains a map sheet at 1:1,506,000 scale that shows the geology of the Nepenthes Planum region of Mars, which is located between the cratered highlands that dominate the southern hemisphere and the less-cratered sedimentary plains that dominate the northern hemisphere.  The map region contains cone- and mound-shaped landforms as well as lobate materials that are morphologically s
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Natural Hazards Mission Area, Astrogeology Science Center, Planetary Geologic Mapping
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