array(10) { ["overview"]=> bool(true) ["factor"]=> int(6) ["toc"]=> bool(false) ["labels"]=> bool(true) ["coords"]=> bool(false) ["saveloc"]=> bool(false) ["all_layers"]=> bool(true) ["x"]=> int(185) ["y"]=> int(140) ["point"]=> array(2) { ["lat"]=> float(57.869) ["lng"]=> float(-155.422) } } Unnamed (near Ukinrek Maars) - Introduction AVO Logo
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Unnamed (near Ukinrek Maars) description and information


Type:Lava dome
Most Recent Activity:
Seismically Monitored: No
Elevation: 984 ft (300 m)
Latitude: 57.869° N
Longitude:155.422° W
CAVW Number:312132
Nearby towns:Kanatak 30 mi (49 km) SW
Karluk 41 mi (66 km) SE
Larsen Bay 58 mi (93 km) SE
King Salmon 72 mi (116 km) NW
Anchorage 301 mi (485 km) NE
From Smithsonian Institution (online database, accessed 2004): "A small unnamed lava dome and an associated lava flow about 30 km east of Becharof Lake and 8 km NW of Alinchak Bay are not significantly modified by glacial erosion. Detterman et al. (1987) [1] suggested a Holocene age for the small dome, whose summit lies only about 300 m above sea level."
Quaternary geologic map of the Ugashik, Bristol Bay, and western part of Karluk quadrangles, Alaska, 1987
citation imageDetterman, R. L., Wilson, F. H., Yount, M. E., and Miller, T. P., 1987, Quaternary geologic map of the Ugashik, Bristol Bay, and western part of Karluk quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 1801, unpaged, 1 sheet, scale 1:250,000, available online at .
Download link to PDF of map

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Page modified: February 15, 2017 17:28
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