Landslide Photo Collections

Searchable USGS Photo and Multimedia Archive with Ordering Information

In March 1987, two major earthquakes (Ms6.1 and 6.9) occurred near Reventador Volcano along the eastern slopes of the Andes in northeastern Ecuador. Socioeconomic losses directly due to earthquake shaking were small compared to those caused by earthquake-triggered mass movements and flooding. For more information and references, please see: http://pubs.usgs.gov/of/2001/ofr-01-0276/

  • Looking downstream at the confluence of the Rio Malo (flowing from lower left) and the Rio Coca, northeastern Ecuador.  Both river channels have been choked by sediment left behind by debris flows triggered by the 1987 Reventador earthquakes.  Photo by Bob Schuster, U.S. Geological Survey
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  • Debris flow caused by the Reventador Earthquake, Ecuador.  Photo by Bob Schuster, U.S. Geological Survey
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