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.
September 29, 2021—Kīlauea summit eruption reference map
This reference map depicts the ongoing Kīlauea summit eruption as of approximately 6:00 PM on September 29, 2021.
New eruption in Halemaʻumaʻu crater at Kīlauea summit - September 29
At approximately 3:20 p.m. HST on September 29, 2021, the USGS Hawaiian Volcano Observatory (HVO) detected glow in Kīlauea summit webcam images indicating that an eruption has commenced within Halemaʻumaʻu crater in Kīlauea’s summit caldera, within Hawai‘i Volcanoes National Park.
Altitude of the potentiometric surface in the Mississippi River Valley alluvial aquifer, spring 2020
Geologic map of Olympus Mons caldera, Mars
August 30, 2021—Summary map of intrusive activity at Kīlauea Volcano―August 23–30, 2021
Summary map of intrusive activity at Kīlauea Volcano―August 23–30, 2021
Geologic and geophysical maps of the Santa Maria and part of the Point Conception 30'×60' quadrangles, California
Colored shaded-relief bathymetry, acoustic backscatter, and selected perspective views of the northern part of the California Continental Borderland, southern California
Stratigraphic cross sections of the Mowry Shale and associated strata in the Wind River Basin, Wyoming
Delineating the Pierre Shale from geophysical surveys within and near Ellsworth Air Force Base, South Dakota, 2019
Surficial geology of the northern San Luis Valley, Saguache, Fremont, Custer, Alamosa, Rio Grande, Conejos, and Costilla Counties, Colorado
June 08, 2021—Kīlauea summit thermal map
June 08, 2021—Kīlauea summit thermal map constructed from aerial imagery
May 28, 2021—Kīlauea summit contour map
May 28, 2021—Kīlauea summit contour map showing lava lake level and topographic profiles across the caldera