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A volcano, about 2,047 m (6,715 ft) high, in the Aleutian Range of southern Alaska at the eastern end of the Alaska Peninsula. It erupted cataclysmically in June 1912 creating the Valley of Ten Thousand Smokes.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Placename) Mount Katmai a volcano in SW Alaska, in the Aleutian Range: erupted in 1912 forming the Valley of Ten Thousand Smokes, a region with numerous fumaroles; established as Katmai National Monument, 10 917 sq km (4215 sq miles), in 1918. Height: 2100 m (7000 ft). Depth of crater: 1130 m (3700 ft). Width of crater: about 4 km (2.5 miles)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Mount, an active volcano in SW Alaska. 7500 ft. (2286 m).
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.