Photo: Gordalmighty · CC BY-SA 3.0A quiet place for hazards: low wildfire, little earthquake risk, and 0% of tested homes over the radon guideline in Saint-Norbert-d'Arthabaska’s area
No wildfire is mapped within 25 km of Saint-Norbert-d'Arthabaska’s homes since 1986 (0% of the land, 0.000% a year). For earthquakes Saint-Norbert-d'Arthabaska is middling, $0.059 a year per $1,000 against $0.030 for the typical town. Saint-Norbert-d'Arthabaska grades A− for hazard risk; wildfire is low here, so it earns no credit.
What stands out about Saint-Norbert-d'Arthabaska’s hazards
For Saint-Norbert-d'Arthabaska, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Saint-Norbert-d'Arthabaska faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Saint-Norbert-d'Arthabaska: A−
Seismic risk and radon set Saint-Norbert-d'Arthabaska’s grade, wildfire can drag it down, and flood mapping stays out of it.
How sure: Earthquake losses are a model’s expectation over many years, not a forecast for any one. The radon share rests on 58 home tests in the survey area, so a few homes move it. The burned-area record misses fires under about 10 ha and most grass and farm fires.
Few fires near Saint-Norbert-d'Arthabaska: 0% within 5 km, 0% within 25 km
Past fire around Saint-Norbert-d'Arthabaska’s homes, from the national burned-area record, with the fuel within 5 km.
Around Saint-Norbert-d'Arthabaska fire takes 0.000% of the land in a typical year, the typical Canadian town 0.000%, which is low.
The closest burn since 1986 lies 8.0 km from Saint-Norbert-d'Arthabaska’s homes, none within 5 km.
Within 5 km of Saint-Norbert-d'Arthabaska, 17% of the land is forest fuel; widen the ring to 25 km and it is 27%.
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 Quebec · highest of 514
Mistissini has the highest burn rate in Quebec, 0.31% a year; around Saint-Norbert-d'Arthabaska, as around 145 of the 514 towns, it rounds to zero.
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.
Measured against 2,610 towns, Saint-Norbert-d'Arthabaska is in the largest group, low (92%), and at its floor, while 7.5% rank higher.
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 Saint-Norbert-d'Arthabaska
What Canada’s Flood Map Inventory lists for Saint-Norbert-d'Arthabaska: who studied flooding and where to see their maps.
Nationally, Saint-Norbert-d'Arthabaska has no listed flood study; the municipality is the place to ask.
Towns with a flood study on file
Flood maps are thinner in Quebec, 45% of towns against 58% nationally, and Saint-Norbert-d'Arthabaska has none.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
The grade leaves flood out, since a study area says nothing about how many of Saint-Norbert-d'Arthabaska’s homes are at risk.
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.”
Earthquakes cost buildings in Saint-Norbert-d'Arthabaska $0.059 per $1,000 a year
Expected yearly building losses from earthquakes, from Natural Resources Canada’s model.
With $0.059 of shaking damage a year per $1,000, Saint-Norbert-d'Arthabaska is about even with the typical $0.030 (2 times).
Shaking damage a year per $1,000 of building value
Saint-Norbert-d'Arthabaska’s $0.059 sits under the median in Quebec, $0.14, and well under La Pocatière’s $0.48.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
In the upper part of Canada’s range: 30% of its 2,611 towns expect more damage than Saint-Norbert-d'Arthabaska.
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 Saint-Norbert-d'Arthabaska 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).
0% of homes tested around Saint-Norbert-d'Arthabaska are over the radon guideline
Long-term radon tests in homes across the survey area, against Health Canada’s guideline.
Saint-Norbert-d'Arthabaska’s survey area reads 0% over the guideline, under the typical Canadian town’s 6.6%. Saint-Norbert-d'Arthabaska doesn’t get its own radon tests figures; the ones here come from the Mauricie et Centre-du-Quebec health region.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
The median in Quebec is 8.2% over 200 Bq/m³; around Saint-Norbert-d'Arthabaska it is 0%.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
Few tests over the guideline: Saint-Norbert-d'Arthabaska shares the bottom band with 37% of Canada’s 2,611 towns, below the other 63%.
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.
A low area share in Saint-Norbert-d'Arthabaska doesn’t clear a house, nor does a high one condemn it: test.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011).
Where to get warnings in Saint-Norbert-d'Arthabaska
Environment and Climate Change Canada issues the weather alerts for Saint-Norbert-d'Arthabaska; Alert Ready carries the urgent ones to phones, radio and TV.
| 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. |
Smoke and fire warnings for Saint-Norbert-d'Arthabaska come through Environment Canada and Alert Ready; the fire map is CWFIS’s.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
Hazards in the places around Saint-Norbert-d'Arthabaska
Wildfire band, earthquake risk, radon and flood studies for each place nearby.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Saint-Norbert-d'Arthabaska | Low | $0.059 | 0% | None listed |
| Princeville 6,400 · 8.4 km | Low | $0.11 | 0% | None listed |
| Victoriaville 49,863 · 12 km | Low | $0.11 | 0% | Yes |
| Saint-Christophe-d'Arthabaska 3,307 · 12 km | Low | $0.054 | 0% | Yes |
| Plessisville 6,774 · 14 km | Low | $0.069 | 0% | Yes |
| Plessisville 2,718 · 15 km | Low | $0.086 | 0% | Yes |
| Saint-Valère 1,187 · 19 km | Low | $0.10 | 0% | Yes |
The fire record around Princeville is a touch heavier than Saint-Norbert-d'Arthabaska’s, but the band is the same: low (here low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Saint-Norbert-d'Arthabaska faces
Practical steps for Saint-Norbert-d'Arthabaska’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
- 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 Saint-Norbert-d'Arthabaska.
- Earthquakes are modelled. Seismic risk is NRCan’s model of yearly building losses from shaking, averaged over many years and given for Saint-Norbert-d'Arthabaska’s census subdivision (a neighbourhood shows its city’s).
- Radon is a survey. Health Canada’s survey tested some 14,000 homes over three months; until postal-area boundaries are loaded, Saint-Norbert-d'Arthabaska takes its 2007 health region’s share.
- Wildfire counts one way. For Saint-Norbert-d'Arthabaska, wildfire means how much nearby land burned in the past forty years, a one-way input that can pull Risk down and nothing more.
Questions about flooding and hazards in Saint-Norbert-d'Arthabaska
How big is the earthquake risk in Saint-Norbert-d'Arthabaska?
NRCan’s model expects shaking to cost buildings in Saint-Norbert-d'Arthabaska $0.059 a year for every $1,000 of their value, on average over many years.
Does Saint-Norbert-d'Arthabaska flood?
The inventory has 0 studies for Saint-Norbert-d'Arthabaska, and an empty list isn’t a clean bill: the municipality holds any flood maps.
Is Saint-Norbert-d'Arthabaska at risk of wildfire?
Some, but Saint-Norbert-d'Arthabaska’s low band (0% of nearby land burned since 1986, latest 2022) is short of the level that counts.
Is radon a problem in Saint-Norbert-d'Arthabaska?
The area’s survey found 0% of 58 tested homes above Health Canada’s guideline, so a three-month test is worth doing in Saint-Norbert-d'Arthabaska.
How is Saint-Norbert-d'Arthabaska’s Hazard risk Grade worked out?
Saint-Norbert-d'Arthabaska grades A− for hazard risk, from earthquakes and radon, with wildfire counted only where it lowers the grade.
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).