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Geologic map of the northwest flank of Mauna Loa volcano, Island of Hawai‘i, Hawaii
Mauna Loa, the largest active volcano on Earth, has erupted 34 times since written descriptions became available in A.D. 1832. The most recent eruption of Mauna Loa occurred on November 27, 2022, after a 38 year hiatus; it lasted for 12 days. Some eruptions began with only brief seismic unrest, whereas others followed several months to a year of increased seismicity. Once underway, Mauna Loa’s eru
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Volcano Hazards Program, Volcano Science Center
May 5, 2024—InSAR image of deformation during Kīlauea upper East Rift Zone swar
This map shows recent deformation at Kīlauea from April 19 to May 5, 2024.
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Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea
May 2, 2024—Summary map of recent unrest at Kīlauea volcano
This map shows recent unrest at Kīlauea volcano.
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Natural Hazards Mission Area, Hawaiian Volcano Observatory, Kīlauea
April 27, 2024—InSAR image of deformation during early Kīlauea upper East Rift Zone swarm
This map shows recent deformation at Kīlauea volcano, from April 5 to April 27, 2024, as recorded by the German Aerospace Center’s (DLR) TerraSAR-X satellite.
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Natural Hazards Mission Area, Hawaiian Volcano Observatory, Kīlauea
Seabed maps showing topography, ruggedness, backscatter intensity, sediment mobility, and the distribution of geologic substrates in quadrangle 5 of the Stellwagen Bank National Marine Sanctuary region offshore of Boston, Massachusetts
The U.S. Geological Survey, in cooperation with the National Marine Sanctuary Program of the National Oceanic and Atmospheric Administration, has conducted seabed mapping and related research in the Stellwagen Bank National Marine Sanctuary (SBNMS) region since 1993. The area being mapped using geophysical and geological data includes the SBNMS and the surrounding region, which totals approximatel
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Woods Hole Coastal and Marine Science Center
Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within parts of Bandera and Kendall Counties, Texas
The karstic Edwards and Trinity aquifers are classified as major sources of water in south-central Texas by the Texas Water Development Board. During 2019–23 the U.S. Geological Survey, in cooperation with the Edwards Aquifer Authority, mapped and described the geology and hydrostratigraphy of the rocks composing the Edwards and Trinity aquifers within parts of Bandera and Kendall Counties from fi
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Oklahoma-Texas Water Science Center
Global geologic map of Europa
Discovered by Galileo Galilei more than 400 years ago and imaged in detail by the Voyager 2 Galileo spacecraft, Jupiter’s icy moon Europa has been a source of intrigue. A range of science investigations indicate that it contains the key ingredients for habitability, notably energy, chemistry, and liquid water. Europa’s surface is geologically complex and, based on the dearth of impact craters, int
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Natural Hazards Mission Area, Astrogeology Science Center
February 3, 2024 — Summary map of recent unrest at Kīlauea Volcano
This map shows recent unrest at Kīlauea volcano.
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Natural Hazards Mission Area, Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea
February 2, 2024 — Kīlauea Interferogram
This image shows ground deformation during the recent intrusive activity at Kīlauea volcano.
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Natural Hazards Mission Area, Volcano Hazards Program, Yellowstone Volcano Observatory, Kīlauea
February 2, 2024—Summary map of recent unrest at Kīlauea Volcano
This map shows recent unrest at Kīlauea volcano. Yellow circles mark earthquake locations from January 31, 2024 through 6:00 a.m. HST February 2, 2024, as recorded by HVO seismometers.
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Natural Hazards Mission Area, Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea
Generalized potentiometric maps of the Fort Union, Hell Creek, and Fox Hills aquifers within the Standing Rock Reservation
Generalized potentiometric surfaces of the Fort Union, Hell Creek, and Fox Hills aquifers were constructed to assess the groundwater resources of the Standing Rock Reservation. Additionally, this information can provide water managers with tools and data to effectively manage water resources in the future. Previous studies that mapped the geology and hydrogeology of the area at differing scales we
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Dakota Water Science Center
February 1, 2024—Summary map of recent unrest at Kīlauea Volcano
This map shows recent unrest at Kīlauea volcano. Yellow circles mark earthquake locations from January 31, 2024, through noon on February 1, 2024, as recorded by HVO seismometers.
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Natural Hazards Mission Area, Volcano Hazards Program, Hawaiian Volcano Observatory, Kīlauea