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March 17, 2022—Kīlauea summit thermal maps

A helicopter overflight on March 17, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.

By
Volcano Hazards, Hawaiian Volcano Observatory, Kīlauea

March 4, 2022 - Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on March 4, 2022.

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Volcano Hazards, Hawaiian Volcano Observatory, Kīlauea

March 2, 2022—Kīlauea summit thermal maps

A helicopter overflight on March 2, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.

By
Volcano Hazards, Hawaiian Volcano Observatory, Kīlauea

Bathymetric map, surface  area, and stage-capacity for the U.S. part of Lake Koocanusa, Lincoln County, Montana,  2016–18

The U.S. Geological Survey and U.S. Army Corps of Engineers collected high-resolution multibeam sonar data during 2016–18 to compute stage-area and stage-capacity tables for the U.S. part of Koocanusa Reservoir in Lincoln County, northwestern Montana. Koocanusa Reservoir is a transboundary reservoir extending about 48 miles from Libby Dam upstream to the U.S. international boundary with Canada and
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Water Resources, Idaho Water Science Center

January 28, 2022—Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on January 28, 2022.

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Volcano Hazards, Hawaiian Volcano Observatory, Kīlauea, Kīlauea

January 25, 2022—Kīlauea summit thermal maps

A helicopter overflight on January 25, 2022, allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.

By
Kīlauea, Kīlauea

January 7, 2022—Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on January 7, 2022.

By
Volcano Hazards, Kīlauea

December 21, 2021—Kīlauea summit thermal maps

A helicopter overflight on December 21, 2021, at approximately 7:30 a.m. HST allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea.

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Volcano Hazards, Hawaiian Volcano Observatory, Kīlauea

Geologic map of the Aeolis Dorsa Region, Mars

The Aeolis Dorsa region of Mars, located just north of the global dichotomy boundary, includes the Aeolis and Zephyria Plana, and a depositional basin between them. This interplana region consists of extensive networks of ridges—the eponymous Aeolis Dorsa—and is interpreted as having formed by topographic inversion of fluvial and alluvial deposits. To the south is a nearly 1-km-deep trough (Aeolis
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Natural Hazards, Astrogeology Science Center

December 9, 2021—Kīlauea summit eruption reference map

This reference map depicts the ongoing Kīlauea summit eruption on December 9, 2021.

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Volcano Hazards, Hawaiian Volcano Observatory, Kīlauea

Mean annual runoff and annual runoff variability map for Oklahoma, 1940–2007

Hydrologic records used to create previously published maps depicting mean annual runoff are biased to a relatively dry period in Oklahoma history that was dominated by droughts. Therefore, the U.S. Geological Survey, in cooperation with the Oklahoma Water Resources Board, developed an updated mean annual runoff and annual runoff variability map for Oklahoma and parts of adjacent States. The updat
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Oklahoma-Texas Water Science Center, Oklahoma Water Science Center

Maps of the Arctic Alaska boundary area as defined by the U.S. Arctic Research and Policy Act—Including geospatial characteristics of select marine and terrestrial features

This pamphlet presents a series of general reference maps showing relevant geospatial features of the U.S. Arctic boundary as defined by the U.S. Congress since 1984. The first generation of the U.S. Arctic Research and Policy Act (ARPA) boundary maps was originally formatted and published in 2009 by a private firm contracted with the National Science Foundation and the U.S. Arctic Research Commis