Natural Disaster Risk in Black Diamond
Washington
Risk Summary for Black Diamond
Black Diamond scores 7.2/10 (High risk), above the U.S. average of 4.5. The leading hazard is Avalanche.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Black Diamond, Washington
Black Diamond is a town of roughly 6,857 residents in King County, in the Pacific Northwest. The area experiences mild, rainy winters west of the Cascades and semi-arid conditions to the east, with a critical wildfire period in eastern Washington each summer shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Black Diamond.
According to FEMA's National Risk Index, Black Diamond carries an overall risk score of 7.2/10, placing it in the high category. The threat of avalanche is the primary natural hazard here, with winter snowpack instability on mountain terrain posing risks to roads, structures, and outdoor recreation activities. The area also faces notable exposure to earthquake and volcano.
Black Diamond's risk score, slightly above the 5.8/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for King County, the highest-scoring are avalanche, earthquake, and volcano. These scores reflect county-level data and represent the baseline risk that all communities in the county share.
Black Diamond's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.
What this means for Black Diamond: Avalanche preparedness
- Check avalanche forecasts before backcountry travel and carry a beacon, probe, and shovel.
- Be aware of slope angles and recent snow loading, which drive avalanche risk.
- Properties in runout zones may require specialized hazard assessment and insurance.
Local Factors for Black Diamond
These city-level factors differentiate Black Diamond from other communities in King County and provide geographic context for its hazard exposure.
Population
6,857
Small TownGeographic Zone
Pacific Coast
Tsunami, coastal flood & wildfire risk
Climate Band
Northern Continental
Latitude 47.3°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
High — long dry fire season
Fire score: 8.2/10
Coordinates
47.3117° N, 122.0033° W
King County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for Black Diamond
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Black Diamond
Other cities in Washington
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.