GIS Data
USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, GloVIS, LandsatLook, and much more. Explore GIS Data Maps.
Thermal maturity map of Devonian shale in the Illinois, Michigan, and Appalachian basins of North America
Under trees and water at Crater Lake National Park, Oregon
Crater Lake partially fills the caldera that formed approximately 7,700 years ago during the eruption of a 12,000-ft-high volcano known as Mount Mazama. The caldera-forming, or climactic, eruption of Mount Mazama devastated the surrounding landscape, left a thick deposit of pumice and ash in adjacent valleys, and spread a blanket of volcanic ash as far away as southern Canada. Prior to the climact
Bathymetry of the Hong and Luoc River Junction, Red River Delta, Vietnam, 2010
Maps of estimated nitrate and arsenic concentrations in basin-fill aquifers of the southwestern United States
Geologic map of the Great Smoky Mountains National Park region, Tennessee and North Carolina
Geologic map of the Tuba City 30' x 60' quadrangle, Coconino County, northern Arizona
Flood-inundation maps for the Leaf River at Hattiesburg, Mississippi
Geologic map of the Cook Inlet region, Alaska, including parts of the Talkeetna, Talkeetna Mountains, Tyonek, Anchorage, Lake Clark, Kenai, Seward, Iliamna, Seldovia, Mount Katmai, and Afognak 1:250,000-scale quadrangles
Episode 61 (Peace Day) flow field
Map showing the extent of lava flows erupted during Kīlauea’s ongoing east rift zone eruption and labeled with the years in which they were active.
Surficial Geologic Map of Mesa Verde National Park, Montezuma County, Colorado
Episode 61 (Peace Day) flow field
Map showing the extent of lava flows erupted during Kīlauea's ongoing east rift zone eruption and labeled with the years in which they were active.