Photo: Amakuha · CC BY 4.0Hazards in Radisson: wildfire low, radon over the guideline in 12% of tested homes
No wildfire is mapped within 25 km of Radisson’s homes since 1986 (0% of the land, 0.001% a year). Earthquakes matter little: NRCan’s model puts building losses at $0.006 a year per $1,000 of value, against $0.030 for the typical town. Radisson grades B+ for hazard risk, with wildfire counted against it.
What stands out about Radisson’s hazards
For Radisson, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Radisson faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Radisson: B+
Earthquake risk and radon make Radisson’s grade; wildfire can only lower it, never raise it, and flood studies are listed but not scored.
Its place: #10 of 185 in Manitoba and #940 of 2,589 Canadian towns.
How sure: Earthquake losses are a model’s expectation over many years, not a forecast for any one. Only 66 homes were tested in the survey area, so the radon share is rough. The burned-area record misses fires under about 10 ha and most grass and farm fires.
Wildfire is rare near Radisson: 0% of the land within 25 km burned since 1986, 0% within 5 km
Past fire around Radisson’s homes, from the national burned-area record, with the fuel within 5 km.
The yearly burn rate around Radisson is 0.001%, low beside 0.000% for the typical Canadian town.
The closest burn since 1986 lies 13 km from Radisson’s homes, none within 5 km.
Little near Radisson’s homes can carry a forest fire; only 0% of the land within 5 km is forest fuel, and 0.1% within 25 km.
Shares of land within 5 and 25 km of populated blocks: burned at least once in 1986–2025 (CWFIS burned-area composite), forest fuel and grass (fire behaviour fuel types, 2026, 250 m grid).
Burn rate a year, towns in Manitoba · highest of 189
At 0.001% a year, Radisson is near the top in Manitoba: 31st of 189, behind Flin Flon (Part) (1.68%).
Each bar: the yearly average share of land within 25 km of a town’s homes that burned, 1986–2025 (CWFIS); the seven highest towns of 2,500 people or more.
Low, like 92% of the country’s 2,610 towns: the land around Radisson burns, but slower than in the 7.5% above it.
Bands of the yearly burn rate: low under 0.05%, moderate under 0.25%, high under 1%, very high 1% or more; towns of 2,500 people or more.
Fire danger and active fires (CWFIS)
Canadian Wildland Fire Information System: National Burned Area Composite 1986–2025 and fire behaviour fuel types (2026), Natural Resources Canada. Measured within 25 km and 5 km of each populated dissemination area; past fire, not a forecast.
No flood study is listed for Radisson
What Canada’s Flood Map Inventory lists for Radisson: who studied flooding and where to see their maps.
Canada’s Flood Map Inventory lists no study whose area touches Radisson, which doesn’t mean it has never been mapped.
Towns with a flood study on file
Mapping in Manitoba reaches 18% of towns, below the 58% across Canada, and not Radisson.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
Listed, not scored: a flood study proves a map exists, not that Radisson floods.
The inventory’s own caution (NRCan): “The Canada Flood Map (CFM) does not include every flood hazard map in Canada and may be incomplete or contain inaccuracies. It should not be relied upon as the official source of flood mapping information. Furthermore, if a map appears to be missing, this does not necessarily mean that the area has never been mapped. For the official version of a map, updated information, or confirmation of applicable regulations, please contact the local authority responsible for flood mapping.”
Low seismic risk in Radisson: $0.006 per $1,000 of buildings a year
Expected yearly building losses from earthquakes, from Natural Resources Canada’s model.
Shaking costs the typical town $0.030 a year; in Radisson it is only $0.006, 0.2 times as much.
Shaking damage a year per $1,000 of building value
Shaking damage around Radisson runs at $0.006 a year, near the $0.006 of the typical town in Manitoba; Virden has $0.007.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
Toward the quiet end of Canada’s range: 88% of its 2,611 towns sit above Radisson.
Each column: the share of Canada’s towns of 2,500 people or more in that range of yearly loss per $1,000 (NRCan, 2022).
Only shaking damage to buildings in Radisson is counted; landslides, liquefaction, tsunami and fire after a quake aren’t.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean). · Data for earthquake risk covers the city of Winnipeg
12% of homes tested around Radisson are over the radon guideline
Long-term radon tests in homes across the survey area, against Health Canada’s guideline.
Radisson’s area, at 12%, is above the 6.6% of the typical Canadian town, so testing is worth more here than most places.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Radon around Radisson is ordinary for towns in Manitoba: 12%, beside a median of 12%.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
The 10–20% band holds 22% of Canada’s 2,611 towns, Radisson among them; 4.6% rank above.
Each bar: the share of Canada’s towns of 2,500 people or more whose survey area had that share of tests over 200 Bq/m³.
Radon varies from house to house in Radisson, so the survey is a reason to test, not a result for yours.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011). · Area behind the radon tests figures: the Winnipeg health region
Where to get warnings in Radisson
Alerts for Radisson come from Environment and Climate Change Canada and, for emergencies, Alert Ready.
| Alert | What it means |
|---|---|
| Warning | Severe weather is happening or about to: act now. |
| Watch | Conditions favour severe weather: be ready. |
| Advisory | Weather that is less severe but could disrupt the day. |
| Special weather statement | Unusual weather worth knowing about. |
| Special air quality statement | Poor air, often wildfire smoke. |
Alert Ready carries evacuation orders for Radisson to phones; CWFIS shows the day’s fire danger.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
How Radisson’s neighbours compare on hazards
Wildfire band, earthquake risk, radon and flood studies for each place nearby.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Radisson | Low | $0.006 | 12% | None listed |
| Victoria West 3,687 · 0.9 km | Low | $0.006 | 12% | None listed |
| Meadows 3,822 · 1.1 km | Low | $0.006 | 12% | None listed |
| Kildare-Redonda 8,294 · 1.5 km | Low | $0.006 | 12% | None listed |
| Mission Gardens 3,979 · 2.5 km | Low | $0.006 | 12% | None listed |
| Grassie 2,857 · 2.7 km | Low | $0.006 | 12% | None listed |
| Canterbury Park 8,744 · 2.7 km | Low | $0.006 | 12% | None listed |
The neighbour with the most fire is Victoria West (low), still no more than Radisson (low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Radisson faces
Practical steps for Radisson’s hazards, most pressing first.
- Test for three months in winter.
- Over 200 Bq/m³: fix it.
- Kits are cheap; pros test too.
- Never drive through floodwater.
- Move papers and medicines upstairs.
- Ask whether your street is mapped.
- Clear needles and wood nearby.
- Keep a grab-and-go bag ready.
- In smoke, stay in; filter air.
- Has it had a radon test?
- Ask the municipality for flood maps.
- Are flood and wildfire insured?
What this data can and can’t tell you
- Radon is a survey. Health Canada’s survey tested some 14,000 homes over three months; until postal-area boundaries are loaded, Radisson takes its 2007 health region’s share.
- Flood studies aren’t flood zones. The flood inventory points to maps; it is incomplete and not the official source, so ask the municipality about any street in Radisson.
- Earthquakes are modelled. The earthquake figure is an expected loss, not a forecast, worked out by NRCan for each census subdivision, Radisson’s included.
- Wildfire counts one way. Burned land within 25 km of where people live, averaged over 1986–2025 and checked for fuel near homes, is the measure; it looks back, not ahead, and only ever counts against Radisson.
Questions about flooding and hazards in Radisson
Is radon a problem in Radisson?
The area’s survey found 12% of 66 tested homes above Health Canada’s guideline, so a three-month test is worth doing in Radisson.
Is Radisson at risk of wildfire?
Some, but Radisson’s low band (0% of nearby land burned since 1986, latest 2012) is short of the level that counts.
How big is the earthquake risk in Radisson?
In NRCan’s seismic model, Radisson’s buildings lose $0.006 per $1,000 of value in an average year.
How is Radisson’s Hazard risk Grade worked out?
Radisson grades B+ for hazard risk, from earthquakes and radon, with wildfire counted only where it lowers the grade.
Does Radisson flood?
The inventory has 0 studies for Radisson, and an empty list isn’t a clean bill: the municipality holds any flood maps.
Seismic risk: Natural Resources Canada. Radon: Health Canada. Wildfire: Canadian Wildland Fire Information System. Flood studies: Natural Resources Canada, Canada Flood Map Inventory. Contains information licensed under the Open Government Licence – Canada.
Sources: NRCan, Canada’s Seismic Risk Model 2022 · Health Canada, Cross-Canada Survey of Radon Concentrations in Homes · CWFIS, National Burned Area Composite and FBP fuel types · NRCan, Canada Flood Map Inventory. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).