Skip to main content
U.S. flag

An official website of the United States government

Maps

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.

Geologic Maps

Geologic Maps

Map Releases

Map Releases

Topo Maps

Topo Maps

Volcanic Maps

Volcanic Maps

All Maps

Filter Total Items: 9586

Lava Lake Depth March 4th Lava Lake Depth March 4th

Data from a Kīlauea summit helicopter overflight on March 4th allowed for the calculation of the depth of the lava in Halema‘uma‘u crater.

March 5, 2021—Kīlauea summit eruption contour map March 5, 2021—Kīlauea summit eruption contour map

March 5, 2021—Kīlauea summit eruption contour map showing lava lake level and elevations of features within the caldera

February 26, 2021—Kīlauea summit eruption contour map February 26, 2021—Kīlauea summit eruption contour map

February 26, 2021—Kīlauea summit eruption contour map showing lava lake level and elevations of features within the caldera

Improved Automated Identification and Mapping of Iron Sulfate Minerals, Other Mineral Groups, and Vegetation using Landsat 8 Operational Land Imager Data, San Juan Mountains, Colorado, and Four Corners Region Improved Automated Identification and Mapping of Iron Sulfate Minerals, Other Mineral Groups, and Vegetation using Landsat 8 Operational Land Imager Data, San Juan Mountains, Colorado, and Four Corners Region

Multispectral remote sensing data acquired by the Landsat 8 Operational Land Imager (OLI) sensor were analyzed using a new, automated technique to generate a map of exposed mineral and vegetation groups in the western San Juan Mountains, Colo., and the Four Corners Region of the United States. Band ratio results were combined into displayed mineral and vegetation groups using Boolean...
Was this page helpful?