Photo: ProjectHorizons · CC BY-SA 4.0Eastern Passage is on Canada’s flood inventory: 1 listed, led by Halifax Regional Municipality
The burn rate around Eastern Passage is 0.06% a year (2.4% of the land within 25 km since 1986), a moderate band. For earthquakes Eastern Passage is middling, $0.018 a year per $1,000 against $0.030 for the typical town. In Health Canada’s survey, 13% of homes tested in the area exceeded 200 Bq/m³ (6.6% typical). Eastern Passage grades B− for hazard risk, with wildfire counted against it.
What stands out about Eastern Passage’s hazards
Four national sources, each read for Eastern Passage: earthquakes, radon, past fires and flood studies.
What Eastern Passage faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Eastern Passage grades B− for hazard risk
Two inputs always count for Eastern Passage, earthquakes and radon; the third, wildfire, counts only against a town.
Its place: #47 of 88 in Nova Scotia and #1,724 of 2,589 Canadian towns.
How sure: Earthquake losses are a model’s expectation over many years, not a forecast for any one. Small fires and grass fires are largely missing from the national burned-area record.
Fire reaches the land around Eastern Passage: 1.9% within 5 km, 2.4% within 25 km
Past fire around Eastern Passage’s homes, from the national burned-area record, with the fuel within 5 km.
The yearly burn rate around Eastern Passage is 0.06%, above 0.000% for the typical Canadian town but under the high band.
Within 5 km of Eastern Passage, 42% of the land is forest fuel; widen the ring to 25 km and it is 70%.
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 Nova Scotia · highest of 90
Barrington burns fastest in Nova Scotia at 0.46% a year; Eastern Passage, at 0.06%, ranks 19th of 90.
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.
Only 5.4% of Canada’s 2,610 towns share the moderate band with Eastern Passage, and 2.1% sit 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.
Halifax Regional Municipality has mapped flooding for Eastern Passage (1 study)
What Canada’s Flood Map Inventory lists for Eastern Passage: who studied flooding and where to see their maps.
The flood study touching Eastern Passage is Halifax Regional Municipality’s, dated 2024; its own map shows the zones street by street.
| Study | By | Year | Status |
|---|---|---|---|
| Creation of Coastal, Pluvial, Fluvial Flood Hazard Maps for Halifax Regional Municipality | Halifax Regional Municipality | 2024 | final |
Towns with a flood study on file
Flood maps are common in Nova Scotia: 88% of towns have one, against 58% nationally, and Eastern Passage is among them.
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 Eastern Passage’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.”
Natural Resources Canada, Canada Flood Map Inventory; links go to each study’s owner.
Ordinary seismic risk in Eastern Passage: $0.018 per $1,000 of buildings a year
Expected yearly building losses from earthquakes, from Natural Resources Canada’s model.
Earthquake losses in Eastern Passage, $0.018 per $1,000, are in line with the typical $0.030 (0.6 times).
Figures for earthquake risk are published for the city of Halifax as a whole, not for Eastern Passage alone.
Shaking damage a year per $1,000 of building value
Shaking damage around Eastern Passage runs at $0.018 a year, near the $0.018 of the typical town in Nova Scotia; Clare has $0.034.
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: 68% of its 2,611 towns sit above Eastern Passage.
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).
The model counts damage to Eastern Passage’s buildings and their occupants from shaking only: not liquefaction, landslides, tsunami or fires after a quake.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean).
Radon runs high around Eastern Passage: 13% of tested homes over the guideline
Long-term radon tests in homes across the survey area, against Health Canada’s guideline. · Measured across the Zone 6 health region: radon tests
A higher share than most: 13% of tested homes around Eastern Passage, the typical Canadian town 6.6%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Around Eastern Passage, 13% of tests topped the guideline, close to the typical town in Nova Scotia (13%); 1% were over 600.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
4.6% of Canada’s 2,611 towns have a higher share of homes over 200 Bq/m³ than Eastern Passage, in the 10–20% band with 22%.
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 survey sample isn’t a map: any home in Eastern Passage can be high, and a three-month test is the only way to know.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011).
Weather and fire alerts for Eastern Passage
Environment and Climate Change Canada issues the weather alerts for Eastern Passage; 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 Eastern Passage 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 Eastern Passage
Wildfire band, earthquake risk, radon and flood studies for each place nearby.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Eastern Passage | Moderate | $0.018 | 13% | Yes |
| Cole Harbour 21,627 · 5.5 km | Moderate | $0.018 | 13% | Yes |
| Portland Estates 10,164 · 6.1 km | Moderate | $0.018 | 13% | Yes |
| Manor Park 14,148 · 8.3 km | Moderate | $0.018 | 13% | Yes |
| Schmidtville 18,105 · 8.4 km | Moderate | $0.018 | 13% | Yes |
| Westphal 4,201 · 8.9 km | Moderate | $0.018 | 13% | Yes |
| Lawrencetown 3,509 · 9.3 km | Moderate | $0.018 | 13% | Yes |
Manor Park burns a little more than Eastern Passage, in the same moderate band (moderate here).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Eastern Passage faces
What to do about the hazards Eastern Passage faces, and what to ask before you buy.
- Clear needles and wood nearby.
- Keep a grab-and-go bag ready.
- In smoke, stay in; filter air.
- 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.
- Has it had a radon test?
- Check the address on the flood map.
- How close is the forest edge?
- 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 Eastern Passage.
- Radon is a survey. Health Canada’s survey tested some 14,000 homes over three months; until postal-area boundaries are loaded, Eastern Passage takes its 2007 health region’s share.
- Earthquakes are modelled. Shaking damage is modelled from the ground, the buildings and the odds of each quake, and published for whole subdivisions such as Eastern Passage’s.
- Wildfire counts one way. The wildfire figure is the share of land within 25 km of Eastern Passage’s homes burned each year from 1986 to 2025, past fire rather than a forecast, and it can only lower Risk.
Questions about flooding and hazards in Eastern Passage
How big is the earthquake risk in Eastern Passage?
NRCan’s model expects shaking to cost buildings in Eastern Passage $0.018 a year for every $1,000 of their value, on average over many years.
How is Eastern Passage’s Hazard risk Grade worked out?
Eastern Passage’s Hazard risk grade is B−, built on earthquakes and radon with a one-sided wildfire input.
Does Eastern Passage flood?
The inventory lists a study touching Eastern Passage; whether a given street floods is on that map, not in the grade.
Is Eastern Passage at risk of wildfire?
Fire has reached 2.4% of the land around Eastern Passage since 1986 (last in 2025); at moderate, it neither helps nor hurts the grade.
Is radon a problem in Eastern Passage?
Around Eastern Passage, 101 survey homes were tested and 13% came in over 200 Bq/m³, a guide to the area, not to any one home.
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).