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This dataset contains digital data that were used for the creation of a geologic map shown in Figure 3 in USGS SIR 2017-5150; Postglacial Eruptive History and Geochemistry of Semisopochnoi...
Search relevance: 185.31 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:53 AM -
This data release provides a single 8-bit grayscale GeoTIFF orthomosaic of Semisopochnoi Island, in Aleutian Archipelago of Alaska (georeferenced in NAD 1983 UTM Zone 60N; EPSG:3373). The...
Search relevance: 185.28 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 03:23 AM -
The Alaska Volcano Observatory conducted overflights of the active north crater of Mount Young on Semisopochonoi Island, Alaska, during its eruption in 2021 to capture the volcanic and...
Search relevance: 112.83 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:12 AM -
BS_Q09.TIF - Bering Sea U.S. EEZ GLORIA sidescan-sonar data mosaic (9 of 30) (LCC, 50 m, Clarke1866)
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.75 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:23 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.75 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:12 AM -
BS_Q07.TIF - Bering Sea U.S. EEZ GLORIA sidescan-sonar data mosaic (7 of 30) (LCC, 50 m, Clarke1866)
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.58 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:02 AM -
BS_Q04.TIF - Bering Sea U.S. EEZ GLORIA sidescan-sonar data mosaic (4 of 30) (LCC, 50 m, Clarke1866)
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.58 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:22 AM -
BS_Q02.TIF - Bering Sea U.S. EEZ GLORIA sidescan-sonar data mosaic (2 of 30) (LCC, 50 m, Clarke1866)
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.58 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 06:00 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.58 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:49 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.40 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:32 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.34 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:03 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.34 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:10 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.31 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 06:03 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.31 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:03 AM -
From 1986 through 1989, the USGS and IOS (Institute of Oceanographic Sciences, U.K.) scientists conducted several surveys within the U.S. EEZ off Alaska. Four surveys during that time period...
Search relevance: 21.31 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:22 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.31 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:31 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.31 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:27 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 21.31 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:50 AM -
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 20.84 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 03:53 AM -
BS_Q06.TIF - Bering Sea U.S. EEZ GLORIA sidescan-sonar data mosaic (6 of 30) (LCC, 50 m, Clarke1866)
In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S....
Search relevance: 20.84 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:26 AM
