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Mount Cleveland

Mount Cleveland. Colby College Department of Geology Laura Tierney Bip Collery. Location. Pacific Ring of Fire. http:// www.uwec.edu / jolhm /EH3/Group1/Website/ world.JPG. Location. Aleutian Islands. http://thewatchers.adorraeli.com/wp-content/uploads/2012/02/1139255770_57_19. jpg

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Mount Cleveland

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  1. Mount Cleveland Colby College Department of Geology Laura Tierney Bip Collery

  2. Location Pacific Ring of Fire http://www.uwec.edu/jolhm/EH3/Group1/Website/world.JPG

  3. Location Aleutian Islands http://thewatchers.adorraeli.com/wp-content/uploads/2012/02/1139255770_57_19.jpg http://en.wikipedia.org/wiki/File:800x598_Carte_Alaska_R3.jpg

  4. Location Chuginadak Island http://volcano.oregonstate.edu/oldroot/volcanoes/cleveland/cleve1.jpg

  5. Etymology Chuginadak http://cdn5.wn.com/pd/17/0e/5b9a57cea8c3d1cc02af8cd0cc2a_grande.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/55/StephenGroverCleveland.png/220px-StephenGroverCleveland.png Mt. Cleveland

  6. Tectonic Setting • Located on the Aleutian Arc • Subduction zone http://geology.com/plate-tectonics.jpg http://unimak.us/images/east_aleutians_volcanic_arc_subduction_zone_usgs_00365_450x.jpg

  7. Form and Characteristics • Symmetrical andesite stratovolcano 1730 m 8.5 km http://brainwagon.org/wp-content/uploads/2008/07/cleveland.jpg

  8. Form and Characteristics http://geopubs.wr.usgs.gov/open-file/of95-271/images/figure11.gif

  9. Form and Characteristics • No caldera • At least five other volcanic domes on mountain besides summit vent • Lava dome in summit vent has been noted to expand rapidly http://www.avo.alaska.edu/images/image.php?id=47071

  10. Eruptions • VERY ACTIVE - Erupted at least 21 times in the last 230 years • Likely first erupted in 1744 • First confirmed eruption in 1828 • Only one fatality from eruptions http://www.filippidis.org/index/amazing/10-Volcano-Ash-Plume-from-Cleveland-Volcano.jpg

  11. Eruptions http://www.avo.alaska.edu/volcanoes/volcact.php?volcname=Cleveland

  12. Eruptions and Deposits • February, 2001 – Most recent significant eruption • Mafic magma • Lava flows and tephra fall • Eruption product: basaltic andesite http://www.avo.alaska.edu/images/dbimages/display/1105574914_57_13.jpg

  13. Eruptions and Deposits • VULCANIAN and STROMBOLIAN eruptions • Short lived explosive ash emissions • Lava fountaining and flowing http://feww.files.wordpress.com/2010/06/cleveland_ast_2010152.jpg

  14. Hazards • Aircrafts flying over the North Pacific • Only one recorded death • Closest town is 70 miles away http://www.gi.alaska.edu/files/dept/8/AshCleve%202_19_2001_2.png

  15. Geophysical Monitoring • Remoteness limits ability to study • Monitored by the Alaska Volcano Observatory (AVO) using satellites • No seismic or geophysical instruments http://thewatchers.adorraeli.com/2012/02/15/mount-cleveland-lava-dome-grows-25-now-50-meters-in-size/

  16. Bibliography "Alaska's Cleveland Volcano." Alaskan Nature. N.p., n.d. Web. 28 Jan. 2013. Alaska Volcano Observatory. N.p., 4 June 2012. Web. 28 Jan. 2013. <http://www.avo.alaska.edu/volcanoes/volcinfo.php?volcname=cleveland>. Bauwens, Joe. "Is Mount Cleveland, Alaska, about to Erupt?" Science Thoughts. N.p., 25 July 2011. Web. 28 Jan. 2013. "Cleveland." Volcano World. Oregon State, n.d. Web. 28 Jan. 2013. <http://volcano.oregonstate.edu/cleveland>. "Cleveland volcano – ash producing explosion sends thin cloud up to 10 km." The Watchers 20 June 2012: n. pag. Web. 28 Jan. 2013. "Mount Cleveland lava dome grows 25%- now 50 meters in size." The Watchers 15 Feb. 2012: n. pag. Web. 28 Jan. 2013. USGS Weekly Volcanic Activity Report. Smithsonian, Aug. 2012. Web. 28 Jan. 2013.

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