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Broken Top Mountain

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

BROKEN TOP MOUNTAIN

DESCHUTES COUNTY OREGON
Photo by RWShea Photography
2.

THE LOCATION

OF BROKEN TOP MOUNTAIN
Photo by RWShea Photography
3.

LOCATION

  • Major cities: Redmond, and Prineville, about 20 miles from Bend, OR.
  • Latitude: 44° 4' 58.42" N Longitude: 121° 41' 59.14" W
  • Teardrop Pool is the lake highest in elevation in Oregon.
  • Near the Three Sisters
  • Part af the Cascade Mountain Range.
Broken Top is often mentioned alongside the Three Sisters mountains.
4.

TOPOGRAPHY

OF BROKEN TOP
Photo by V.H.S.
5.

TOPOGRAPHY

  • Complex volcano made from a stratovolcano and shield volcano.
  • High glacial erosion.
6.

Untitled Slide

7.

THE HAZARDS

OF BROKEN TOP
8.

HAZARDS

  • The last eruption was around 100,000 years ago.
  • Basaltic Andesite lava, high in silica.
9.

IF BROKEN TOP WERE TO ERUPT

  • Tephra fallout.
  • Copious amounts of ash.
  • Pyroclastic flows could hit neighboring cities.
Photo by Ken_Mayer
10.

AIRBORNE HAZARDS

BOMBS, LAPILI, ASH,
Photo by Xuan Che
11.

AIRBORNE HAZARDS

  • Tephra fallout 20 km in diameter around Broken Top.
  • Landslides and cave-ins from heavy layers of ash.
  • Sulfur dioxide emmited from the volcano.
  • Ash in atmosphere could be inhaled.
  • Bombs and lapilli can potentially rain down on cities in the area.

Mariah Throop

posiepurls (instagram)