Earthquakes, Volcanoes, and Landslides. Earthquakes. Shaking of the land when Earth’s plates move. Plate movement animations:. http://www.classzone.com/books/earth_science/terc/content/visualizations/es0804/es0804page01.cfm?chapter_no=visualization. - PowerPoint PPT Presentation
Text of Earthquakes, Volcanoes, and Landslides
Earthquakes, Volcanoes, and Landslides
http://youtu.be/cavq2HFBa-U (National Geographic Video - 2:58)
The term "landslide" describes a wide variety of processes that result in the downward and outward movement of slope-forming materials including rock, soil, artificial fill, or a combination of these. The materials may move by falling, toppling, sliding, spreading, or flowing.
La Conchita, coastal area of southern California. This landslide and earthflow occurred in the spring of 1995. People were evacuated and the houses nearest the slide were completely destroyed. This is a typical type of landslide. Photo by R.L. Schuster, U.S. Geological Survey.
Debris litters a crumbled road after landslides destroyed hundreds of homes in the Kupini and Valle de las Flores neighborhoods in La Paz (map), Bolivia, in 2011. According to the Associated Press, thousands of people were affected by the landslides, which had been triggered by heavy rains.
Aerial view of a house at risk following landslides in the locality of Poco Fundo, an isolated area near Petropolis, Brazil on January 18, 2011. (VANDERLEI ALMEIDA/AFP/Getty Images) http://www.boston.com/bigpicture/2011/01/landslides_in_brazil.html
Aerial view of an isolated area severely hit by landslides near Teresopolis, some 100 km from Rio de Janeiro, Brazil, on January 18, 2011. (VANDERLEI ALMEIDA/AFP/Getty Images) http://www.boston.com/bigpicture/2011/01/landslides_in_brazil.html