Landslides in the Columbia Gorge and Portland-Vancouver Area

January 1997

Heavy precipitation occured in the Portland-Vancouver area between late December 1996 and early January 1997 resulting in local landslide activity. On Friday 10 January Richard Waitt and Roger Denlinger of the USGS Cascades Volcano Observatory drove up the Columbia Gorge from Vancouver to Hood River, to observe recent landslides. They each made 1-2 separate additional trips up the Columbia Gorge January 11 to 13. Their observations follow:

Roger P. Denlinger
USGS
Cascades Volcano Observatory
roger@usgs.gov (roger@asopus.wr.usgs.gov)
5400 MacArthur Blvd :
Vancouver, WA 98661
Richard B Waitt
USGS
Cascades Volcano Observatory
waitt@usgs.gov (waitt@asopus.wr.usgs.gov)
5400 MacArthur Blvd :
Vancouver, WA 9866