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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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Geologic Maps
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Kīlauea middle East Rift Zone reference map Kīlauea middle East Rift Zone reference map
This reference map depicts the features on Kīlauea's middle East Rift Zone, much of which is within Hawaiʻi Volcanoes National Park.
August 7, 2024—InSAR image of Kīlauea ground deformation August 7, 2024—InSAR image of Kīlauea ground deformation
This map shows recent deformation at Kīlauea, over the timeframe of July 26-August 7, 2024.
Joint pilot fish habitat framework Joint pilot fish habitat framework
This story map will take you through the process of exploring and testing methods necessary for a higher resolution, seamless fish habitat assessment across both inland and estuarine waters through the lens of our joint pilot assessment Fish habitat assessments attempt to relate past, current, or future landscape conditions to the state of fish species occurrence, distribution, abundance...
July 25, 2024—Kīlauea upper East Rift Zone unrest July 25, 2024—Kīlauea upper East Rift Zone unrest
This reference map depicts recent unrest along Kīlauea's upper East Rift Zone.
July 24, 2024—InSAR image of Kīlauea ground deformation July 24, 2024—InSAR image of Kīlauea ground deformation
This map shows recent deformation at Kīlauea, over the timeframe of June 15-24, 2024.
July 8, 2024—InSAR image of Kīlauea ground deformation July 8, 2024—InSAR image of Kīlauea ground deformation
This map shows recent deformation at Kīlauea, over the timeframe of June 6 to July 8, 2024.
June 29, 2024—InSAR image of Kīlauea ground deformation June 29, 2024—InSAR image of Kīlauea ground deformation
This map shows recent deformation at Kīlauea, over the timeframe of June 13 to June 29, 2024.
June 13, 2024—InSAR image of deformation following Kīlauea Southwest Rift Zone eruption June 13, 2024—InSAR image of deformation following Kīlauea Southwest Rift Zone eruption
This map shows deformation following the recent eruption at Kīlauea on June 3, 2024.
Bedrock geologic map of the Woodstock quadrangle, Grafton County, New Hampshire Bedrock geologic map of the Woodstock quadrangle, Grafton County, New Hampshire
The bedrock geology of the Woodstock 7.5-minute quadrangle consists of highly deformed metasedimentary rocks of the Central Maine trough, including the Silurian Rangeley and Perry Mountain Formations and the Devonian Littleton Formation. The central, northern, and eastern parts of the quadrangle are underlain by the oldest rocks in the area, the Rangeley Formation. In the southwest and...
Field observations and logs from the Rose Hip trench exposure across a north-facing scarp within the Seattle Fault Zone, southern Bainbridge Island, Washington Field observations and logs from the Rose Hip trench exposure across a north-facing scarp within the Seattle Fault Zone, southern Bainbridge Island, Washington
The Seattle Fault Zone is an approximately 70-km-long, east-west-trending zone of south-dipping blind reverse faults within the Puget lowland region in Washington. Because of the proximity, the Seattle Fault Zone poses a significant earthquake hazard to the Puget sound and Seattle metropolitan regions. We present preliminary mapping and trench-site information from a paleoseismic...
Colored shaded relief bathymetry and acoustic backscatter of Ozette Lake, Washington Colored shaded relief bathymetry and acoustic backscatter of Ozette Lake, Washington
Offshore of the Pacific Northwest of the United States is the Cascadia Subduction Zone, a 1,000-kilometer-long tectonic boundary defined by a large fault, called a megathrust, that extends from the Mendocino Junction off northern California to the Nootka Fracture Zone off Vancouver Island, Canada (U.S. Geological Survey, 2023). The Juan de Fuca and Gorda oceanic plates to the west of...
June 6, 2024—InSAR image of deformation during Kīlauea Southwest Rift Zone eruption June 6, 2024—InSAR image of deformation during Kīlauea Southwest Rift Zone eruption
This map shows recent deformation spanning the recent eruption at Kīlauea.