Landslide threat triggers evacuation alert for trailer park in interior B.C.

A landslide threat has triggered an evacuation alert for a mobile home park in the southern interior of British Columbia.

On Thursday morning, the Columbia Shuswap Regional District (CSRD) issued the alert for the Sicamous Creek Mobile Home Park.

Read more:

Shuswap community threatened by landslides after wildfire will receive early warning system

The Regional District said the threat of a landslide near Wiseman Creek in the Sicamous District is increasing and could pose a risk.

The alert only affects the mobile home park along Highway 97A and all residences therein, from Unit 1 to 27.

The alert comes less than two months after the CSRD announced that provincial funding had been secured for an early warning system.

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A map showing the location of the evacuation alert issued by the Regional District of Columbia Shuswap.


CSRD


Last summer, the Two Mile Road Wildfire scorched the area, forcing around 1,000 people from their homes.

A subsequent geotechnical engineering study determined that the slopes above the mobile home park are now unstable, with residents at risk of a debris flood and possibly a debris flow.

The report, which can be read on the CSRD website, says the risk of a debris flow after a wildfire in Wiseman Creek is very high.


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Two Mile residents warned of risk of debris flow after wildfire


Two Mile residents warned of risk of debris flow after wildfire – December 14, 2021

“There is about a 50% chance that such a debris flow will occur during the 2022 runoff season and about a 75% chance that it will occur within the next two years,” the report read.

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“Such an event is likely to have an impact on the mobile home stock, potentially resulting in the destruction of mobile homes and possible death. Over the past five years (2016 to 2021), 5 to 6 exceedances of the critical threshold ” probable” post-fire debris flow initiation were recorded.

In issuing the alert on Thursday, the CSR said “an evacuation alert is a warning of a potential threat to life and/or property. It is intended to give you time to prepare for a possible evacuation. Residents will be given as much notice as possible prior to evacuation, however, you may receive limited notice due to changing conditions.

The report also states that “for the entire record duration of the Sicamous climate station (18 years), between 14 and 20 exceedances of the “probable” hourly threshold of debris flow initiation after a forest fire were counted. , which equates to about one per year.”

For more information about the alert, including what residents should do when put on alert, visit the CSRD website or PreparedBC.


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Landslide early warning system set up in Sicamous


Landslide early warning system established in Sicamous – March 22, 2022

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