Photo: JFVoll · CC BY-SA 4.0Wildfire low, radon 5%: how Eastmount stands on hazards
Around Eastmount, wildfire is practically absent from the record: 0% within 25 km since 1986, 0.000% a year. Seismic risk in Eastmount sits near the middle: $0.044 of expected damage per $1,000 of buildings a year, the typical town $0.030. Eastmount grades B+ for hazard risk; wildfire is low here, so it earns no credit.
What stands out about Eastmount’s hazards
For Eastmount, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Eastmount faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Eastmount: B+
For Eastmount, Risk will be the average of earthquakes and radon, with wildfire added only if it makes the average worse.
Its place: #494 of 866 in Ontario and #1,255 of 2,589 Canadian towns.
How sure: Earthquake losses are a model’s expectation over many years, not a forecast for any one. The burned-area record misses fires under about 10 ha and most grass and farm fires.
Little of the land around Eastmount has burned: 0% within 5 km, 0% within 25 km since 1986
Fires mapped since 1986 around where Eastmount’s residents live, and the fuel next to their homes.
At 0.000% of the land a year, Eastmount’s burn rate is in the low band; the typical Canadian town sees 0.000%.
Only 1.1% of the land within 25 km of Eastmount is forest fuel, and 0% close in.
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 Ontario · highest of 871
Among the 871 towns in Ontario, Sioux Lookout burns fastest (0.16% a year); Eastmount is with the 638 near 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.
92% of Canada’s 2,610 towns are in the low band and 7.5% above it; Eastmount is among the many where the yearly burn rate rounds to zero.
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 Eastmount
Flood studies whose area touches Eastmount, from NRCan’s inventory, each linked to its owner.
There is no study for Eastmount on the national flood inventory, which is far from complete.
Towns with a flood study on file
Eastmount has no flood study on file, though 69% of towns in Ontario do (Canada: 58%).
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
Nothing here counts toward Risk; the studies are pointers to the maps their owners keep for Eastmount.
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 Eastmount $0.044 per $1,000 a year
NRCan’s seismic risk model: the damage shaking is expected to do to buildings each year, on average over many years.
At $0.044 per $1,000, Eastmount’s earthquake risk is about the typical Canadian town’s ($0.030; 1.5 times).
Shaking damage a year per $1,000 of building value
About level with the typical town in Ontario: Eastmount’s $0.044 against $0.043; Alexandria reaches $0.21.
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: 32% of its 2,611 towns expect more damage than Eastmount.
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).
What a quake does after the shaking, fire, landslides, tsunami, falls outside NRCan’s figure for Eastmount.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean). · Area behind the earthquake risk figures: the city of Hamilton
Radon about average around Eastmount: 5% over the guideline
Health Canada’s survey of long-term home tests: the share above the 200 Bq/m³ guideline. · The radon tests numbers here cover the City of Hamilton Health Unit
Eastmount’s area sits close to the typical Canadian town: 5% over the guideline, against 6.6%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Radon runs higher around Eastmount than in most towns in Ontario: 5% against 4%.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
Radon tops the guideline in a modest share of homes around Eastmount, a band holding 37% of Canada’s 2,611 towns; 26% 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.
A low area share in Eastmount 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 Eastmount
Environment and Climate Change Canada issues the weather alerts for Eastmount; 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 Eastmount come through Environment Canada and Alert Ready; the fire map is CWFIS’s.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
How Eastmount’s neighbours compare on hazards
The same four hazards for the places next door.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Eastmount | Low | $0.044 | 5% | None listed |
| Inch Park 4,065 · 0.6 km | Low | $0.044 | 5% | None listed |
| Raleigh 7,113 · 1.1 km | Low | $0.044 | 5% | None listed |
| St. Clair 3,201 · 1.1 km | Low | $0.044 | 5% | None listed |
| Burkholme 3,580 · 1.2 km | Low | $0.044 | 5% | None listed |
| Stinson 3,969 · 1.4 km | Low | $0.044 | 5% | None listed |
| Blakeley 3,151 · 1.5 km | Low | $0.044 | 5% | None listed |
Among its neighbours Eastmount has the most fire on record (low); Inch Park follows (low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Eastmount faces
Practical steps for Eastmount’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. NRCan’s inventory says where flood mapping exists, not where water goes; the map’s owner is the authority for Eastmount.
- Earthquakes are modelled. Seismic risk is NRCan’s model of yearly building losses from shaking, averaged over many years and given for Eastmount’s census subdivision (a neighbourhood shows its city’s).
- Radon is a survey. About 14,000 homes were tested across Canada in 2009–2011, and the share over the guideline for Eastmount is its health region’s, the survey’s design unit.
- Wildfire counts one way. For Eastmount, 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 Eastmount
Is radon a problem in Eastmount?
5% of the 100 homes Health Canada tested around Eastmount topped the guideline; your own house needs its own test.
Is Eastmount at risk of wildfire?
Very little by the national record: Eastmount’s band is low, with 0% of the land within 25 km burned since 1986, so wildfire doesn’t change its grade.
How is Eastmount’s Hazard risk Grade worked out?
Eastmount’s Hazard risk grade is B+, built on earthquakes and radon with a one-sided wildfire input.
Does Eastmount flood?
No study on Canada’s Flood Map Inventory covers Eastmount (0), which doesn’t mean it has never been mapped, so ask the municipality.
How big is the earthquake risk in Eastmount?
About $0.044 a year per $1,000 of building value, NRCan’s long-run expectation for Eastmount.
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).