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(Photo/Washington Department of Transportation)
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Sinkholes and Landslides

Published on Nov 18, 2015

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PRESENTATION OUTLINE

SinkHoles & Landslides

A Visual Guide to Collapse
(Photo/Washington Department of Transportation)

Sinkhole: Dover, Fla. Jan. 2010. (Ann Tihansky)

(Photo/ USGS/ Ann Tihansky)

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010.

Landslide: Sabino Canyon, Ariz. (Chris Magirl)

Hiking area covered with debris flow boulder, Sabino Canyon, Arizona.

(Photo/ USGS/ Chris Magirl)

Sinkhole: Dover, Fla. Jan. 2010. (Ann Tihansky)

(Photo/USGS/Ann Tihansky)

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010.

Landslide: Thistle, Utah. (Bob Schuster)

This landslide destroyed major railroads and highways, and dammed the Spanish Fork Rive flooding the town of Thistle. There were no deaths, but it is the most expensive landslide to fix in U.S. history. (Photo/ USGS/ Bob Schuster)

Sinkhole: Dover, Fla. Jan. 2010. (Ann Tihansky)

(Photo/ USGS/ Ann Tihansky)

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010.

Sinkhole: Daisetta, Texas. ( Randall Orndorff)

Collapse sinkhole in a salt dome in Daisetta, Texas (September 2008).

(Photo/ USGS/ Randall Orndorff)

Landslide: Baltimore, Md. April 2014 (AP Photo)

Cars sit on the edge of a landslide in the Charles Village neighborhood of Baltimore, Wednesday, April 30, 2014, as heavy rain moves through the region. (AP Photo)

Sinkhole: Frederick, Md. Sept. 2003. (Randall Orndorff)

Cover-collapse sinkhole in limestone near Frederick, Maryland (September 2003).

(Photo/ USGS/ Randall Orndorff)

Landslide: Washington State 1997. (Mark Reid)

Cabins damaged and destroyed by the massive Mill Creek landslide that occurred on January 24, 1997.

(Photo/Mark Reid, USGS/Menlo Park, 1997)

Sinkhole: Dover, Fla. Jan. 2010. (Ann Tihansky)

(Photo/USGS/Ann Tihansky)

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010.

Sinkhole: May 9 1981. (Anthony S. Navoy)

Remnants of community pool in sinkhole. May 9 1981

(Photo/ USGS/Anthony S. Navoy)

Landslide:  Alaskan Earthquake 1964. Turnagain Heights. (USGS)

The 1964 Alaska earthquake-triggered landslides damaged homes in Turnagain Heights.

(Photo/ USGS)

Sinkhole: Pensacola, Fla. March 2014. (@goodcleanliving)

Flooding in Pensacola, Fla in March 2014 caused a sinkhole to cave.

(Photo/ Twitter User/ @goodcleanliving)

Landslide: Oso, Washington. March 2014. (Washington State Patrol)

In this image provided by the Washington State Patrol, debris is shown from a landslide Saturday, March 23, 2014, between Arlington and Darrington, Washington.

(Photo/Washington State Patrol)

Sinkhole: Clermont, Fla. Aug. 2013. (AP Photo/John Raoux)

Damage to buildings caused by a sinkhole is seen at the Summer Bay Resort, Monday, Aug. 12, 2013, in Clermont, Fla. (AP Photo/John Raoux)