Mt. RedoubtMt. Redoubt

ByNicole Kepron

ByNicole Kepron

World Map• In Southwestern Alaska

• Latitude: 60.485° N

•Longitude: 152.742° W

•Summit Elevation: 10,197 feet

Plate BoundariesPlate tectonics cross section

Plate tectonics cross-section showing how Redoubt is located above a subduction zone formed where the Pacific and North American plates collide. The

Pacific Plate is melting to feed Redoubt's eruptions.

• steep-sided stratovolcano

• above the Aleutian subduction zone

HistoryEruption Cloud

• 1989-1990

• lahars, pyroclastic flows, and eruption columns

• last eruption: 2009

Future

• could erupt within days or weeks

• seismic activity

• several volcanic earthquakes occurring every hour

• emergency kits ready

Impact

• earthquakes

• ash fall

• lahars

• evacuations

Facts• just erupted this year

• born 890,000 years ago

• ice-filled summit crater

• threatens aircrafts and creates ash-related hazards

Bibliography•http://www.volcano.si.edu/world/volcano.cfm?vnum=1103-03-

•http://latimesblogs.latimes.com/outposts/2009/01/alaskas-mount-r.html

• http://www.msnbc.msn.com/id/28914322/

• http://www.mapme.com/nodes/view/38953-mount-redoubt-volcano

• http://geology.com/usgs/redoubt-volcano-photos/signs-of-activity.shtml

• http://geology.com/volcanoes/redoubt/