Hope Slide
Overview
Landslide
A landslide or landslip is a geological phenomenon which includes a wide range of ground movement, such as rockfalls, deep failure of slopes and shallow debris flows, which can occur in offshore, coastal and onshore environments...
ever recorded in Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
. It occurred in the morning hours of January 9, 1965 in the Nicolum Valley
Nicolum River
The Nicolum River, formerly Nicolum Creek, is a tributary of the Coquihalla River, rising in the Cascade Mountains and flowing northwest to join that stream near the town of Hope, British Columbia, Canada...
near Hope, British Columbia
Hope, British Columbia
Hope is a district municipality located at the confluence of the Fraser and Coquihalla rivers in the province of British Columbia, Canada. Hope is at the eastern end of both the Fraser Valley and the Lower Mainland region, and is at the southern end of the Fraser Canyon...
, and killed four people. The volume of rock involved in the landslide has been estimated at 47 million cubic metres.
Prior to the landslide, a small avalanche
Avalanche
An avalanche is a sudden rapid flow of snow down a slope, occurring when either natural triggers or human activity causes a critical escalating transition from the slow equilibrium evolution of the snow pack. Typically occurring in mountainous terrain, an avalanche can mix air and water with the...
had forced four people to stop their vehicles a few miles southeast of the town of Hope
Hope, British Columbia
Hope is a district municipality located at the confluence of the Fraser and Coquihalla rivers in the province of British Columbia, Canada. Hope is at the eastern end of both the Fraser Valley and the Lower Mainland region, and is at the southern end of the Fraser Canyon...
, British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
—150 kilometres (93.2 mi) east of Vancouver—on a stretch of the Hope-Princeton Highway
Crowsnest Highway
The Crowsnest Highway, also known as the Interprovincial or, in British Columbia, the Southern Trans-Provincial, is an east-west highway, in length, through the southern parts of British Columbia and Alberta, providing the shortest highway connection between British Columbia's Lower Mainland and...
below Johnson Peak.
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