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Surficial geology of the northern San Luis Valley, Saguache, Fremont, Custer, Alamosa, Rio Grande, Conejos, and Costilla Counties, Colorado Surficial geology of the northern San Luis Valley, Saguache, Fremont, Custer, Alamosa, Rio Grande, Conejos, and Costilla Counties, Colorado
The San Luis Valley and associated underlying basin of south-central Colorado and north-central New Mexico is the largest structural and hydrologic basin of the Rio Grande Rift and fluvial system. The surrounding San Juan and Sangre de Cristo Mountains reveal evidence of widespread volcanism and transtensional tectonism beginning in the Oligocene and continuing to the present, as seen in...
June 08, 2021—Kīlauea summit thermal map 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
May 28, 2021—Kīlauea summit contour map showing lava lake level and topographic profiles across the caldera
May 13, 2021—Rise of the Halema‘uma‘u lava lake May 13, 2021—Rise of the Halema‘uma‘u lava lake
Digital elevation models (DEMs) created from photos taken during helicopter overflights of Kīlauea summit.
March 4, 2021—Kīlauea 2018 lower East Rift Zone thermal map March 4, 2021—Kīlauea 2018 lower East Rift Zone thermal map
A thermal map of Kīlauea Volcano's 2018 lower East Rift Zone fissures and steaming area.
May 13, 2021—Halema‘uma‘u eruption Digital Elevation Model May 13, 2021—Halema‘uma‘u eruption Digital Elevation Model
HVO uses regular Kīlauea summit helicopter overflights of Halema‘uma‘u crater to create digital elevation models (DEMs) of the crater.