Sometimes called catch basin: a large excavated basin into which a debris flow runs or is directed, and where it quickly dissipates its energy and deposits its load. Abandoned gravel pits or rock quarries can often be incorporated
U.S. Department of the Interior, U.S. Geological Survey USGS, Landslide Hazards Program, Glossary, Washington, D.C. USA 2014. http://landslides.usgs.gov/learn/glossary.php, (ND/ Lndsld - Amer) {919}