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Location of Portland Oregon's I-5: Iowa Street Viaduct Replacement Project
Geologic Hazards

Portland’s I-5 project cutting into ancient landslide

July 1, 2010 rockman Geologic Hazards 1

ODOT’s I-5: Iowa Street Viaduct Replacement Project in Portland will reportedly cut into 6 ancient landslide surfaces according to a PSU Geology Professor. The existing bridge structure is over 50-years old and deteriorating and will […]

Nile Valley Landslide, 2009
Geologic Hazards

New Route Chosen around Nile Valley Landslide in Washington

June 29, 2011 rockman Geologic Hazards Comments Off on New Route Chosen around Nile Valley Landslide in Washington

The new route for Washington State Route 410 will go around the toe of the Nile Valley landslide. The 2009 Nile Valley landslide blocked the highway and diverted the Naches River. The DOT selected the […]

Failures

Vajont Dam Disaster – 60 Years Later

October 9, 2023 rockman Failures, Geologic Hazards Comments Off on Vajont Dam Disaster – 60 Years Later

Today marks the 60th anniversary of the Vajont Dam disaster – a tragic event that serves as a stark reminder of the profound interplay between geology, engineering, and the forces of nature. On the fateful […]