Shaking costs buildings in Aloha Estates $0.47 a year per $1,000 of value, 16 times the typical town’s
Fire seldom reaches Aloha Estates: since 1986, 0.1% of the land within 25 km has burned (0.002% a year). In Health Canada’s survey, just 0% of homes tested in the area exceeded 200 Bq/m³ (6.6% typical). Hazard risk gives Aloha Estates a grade of B; its wildfire band pulls it down.
What stands out about Aloha Estates’s hazards
Four national sources, each read for Aloha Estates: earthquakes, radon, past fires and flood studies.
What Aloha Estates faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Aloha Estates: B
Earthquake risk and radon make Aloha Estates’ grade; wildfire can only lower it, never raise it, and flood studies are listed but not scored.
Its place: #59 of 254 in British Columbia and #1,520 of 2,589 Canadian towns.
How sure: Earthquake losses are a model’s expectation over many years, not a forecast for any one. The radon share rests on 70 home tests in the survey area, so a few homes move it. Small fires and grass fires are largely missing from the national burned-area record.
Little of the land around Aloha Estates has burned: 0% within 5 km, 0.1% within 25 km since 1986
Fires mapped since 1986 around where Aloha Estates’ residents live, and the fuel next to their homes.
At 0.002% of the land a year, Aloha Estates’ burn rate is in the low band; the typical Canadian town sees 0.000%.
Since 1986 the nearest fire to Aloha Estates’ homes came within 18 km, never inside 5 km.
Close to Aloha Estates there is little to burn (1.2% forest fuel within 5 km), but 20% of the land within 25 km is forest.
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 British Columbia · highest of 255
Aloha Estates ranks 230th of the 255 towns in British Columbia for burn rate (0.002% a year), in the lower half; Oliver leads at 0.98%.
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.
Aloha Estates is in the low band with 92% of Canada’s 2,610 towns; 7.5% sit in moderate or 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 Aloha Estates
Flood studies whose area touches Aloha Estates, from NRCan’s inventory, each linked to its owner.
There is no study for Aloha Estates on the national flood inventory, which is far from complete.
Towns with a flood study on file
Mapping in British Columbia reaches 76% of towns, beside 58% across Canada, but not Aloha Estates.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
Flood studies don’t enter the grade; they are listed so you can open the official map for Aloha Estates.
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 Aloha Estates $0.47 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.
Aloha Estates’ $0.47 is about 15.7 times the typical town’s $0.030: it sits in one of Canada’s more active seismic zones.
Shaking damage a year per $1,000 of building value
The typical town in British Columbia expects $0.36 a year; Aloha Estates expects $0.47, and Duncan $1.33.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
Few of Canada’s 2,611 towns face more earthquake damage than Aloha Estates: 1.6% of them.
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 loss is to Aloha Estates’ buildings alone, from ground shaking; infrastructure and secondary hazards are left out.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean). · Earthquake risk: one figure for all of the city of Surrey
Little radon around Aloha Estates: 0% of area homes over the guideline
Health Canada’s survey of long-term home tests: the share above the 200 Bq/m³ guideline.
Fewer homes than usual test high around Aloha Estates: 0% against 6.6% for the typical Canadian town. Nobody publishes radon tests for Aloha Estates alone, so this card uses the figure for the Fraser South health region.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Against the typical town in British Columbia (1.8%), the area around Aloha Estates has fewer high tests: 0%.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
Under 5% puts Aloha Estates with 37% of Canada’s 2,611 towns; 63% have more high tests.
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.
The share describes the area, not a house: in Aloha Estates as anywhere, test to be sure.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011).
Weather and fire alerts for Aloha Estates
Alerts for Aloha Estates 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. |
Evacuation orders for Aloha Estates come from the municipality or the province, while CWFIS maps fire danger every day.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
How Aloha Estates’ neighbours compare on hazards
The same four hazards for the places next door.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Aloha Estates | Low | $0.47 | 0% | None listed |
| Clayton Heights 8,961 · 1.0 km | Low | $0.47 | 0% | Yes |
| Rosewood Park 9,004 · 1.4 km | Low | $0.47 | 0% | Yes |
| Sunrise Estates 4,292 · 2.2 km | Low | $0.47 | 0% | Yes |
| Cloverdale 13,615 · 2.8 km | Low | $0.47 | 0% | Yes |
| Provinceton 11,625 · 3.4 km | Low | $0.47 | 0% | Yes |
| Langley 35,444 · 3.5 km | Low | $0.54 | 0% | Yes |
Cloverdale burns a little more than Aloha Estates, in the same low band (low here).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Aloha Estates faces
Practical steps for Aloha Estates’ 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.
- Drop, cover and hold on.
- Strap the water heater down.
- Keep 72 hours of supplies.
- Has it had a radon test?
- Ask the municipality for flood maps.
- Are flood and wildfire insured?
- Is earthquake cover included?
What this data can and can’t tell you
- Wildfire counts one way. Wildfire is read from the national burned-area record around Aloha Estates’ homes since 1986, a history of fire that may lower Risk but never raises it.
- Earthquakes are modelled. NRCan models what earthquakes would cost buildings each year on average, subdivision by subdivision; Aloha Estates’ figure is its subdivision’s.
- Radon is a survey. About 14,000 homes were tested across Canada in 2009–2011, and the share over the guideline for Aloha Estates is its health region’s, the survey’s design unit.
- 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 Aloha Estates.
Questions about flooding and hazards in Aloha Estates
How is Aloha Estates’s Hazard risk Grade worked out?
Aloha Estates grades B for hazard risk, from earthquakes and radon, with wildfire counted only where it lowers the grade.
Does Aloha Estates flood?
No study on Canada’s Flood Map Inventory covers Aloha Estates (0), which doesn’t mean it has never been mapped, so ask the municipality.
Is radon a problem in Aloha Estates?
0% of the 70 homes Health Canada tested around Aloha Estates topped the guideline; your own house needs its own test.
How big is the earthquake risk in Aloha Estates?
About $0.47 a year per $1,000 of building value, NRCan’s long-run expectation for Aloha Estates.
Is Aloha Estates at risk of wildfire?
Not much by Canadian standards: Aloha Estates’ band is low, with 0.1% of the land within 25 km burned since 1986 (last in 2022), so wildfire doesn’t change its 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).