City vs city
Erda vs Grantsville, UT
Erda currently scores 2 points higher overall than Grantsville, with the largest gap in wildfire.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Erda: 27/100 · Grantsville: 25/100
Erda is 2 points higher.
Flood
Erda: 28/100 · Grantsville: 28/100
No gap.
Erda: FEMA NFHL flood zones: 1 features intersect this tile.
Grantsville: FEMA NFHL flood zones: 1 features intersect this tile.
Wind
Erda: 11/100 · Grantsville: 11/100
No gap.
Erda: Wind exposure derived from ingested design wind / climatology tiles.
Grantsville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Erda: 32/100 · Grantsville: 31/100
Erda is 1 points higher.
Erda: Lightning exposure derived from ingested climatology tiles.
Grantsville: Lightning exposure derived from ingested climatology tiles.
Tornado
Erda: 0/100 · Grantsville: 0/100
No gap.
Erda: Tornado risk derived from NOAA SPC historical reports.
Grantsville: Tornado risk derived from NOAA SPC historical reports.
Hail
Erda: 3/100 · Grantsville: 4/100
Grantsville is 1 points higher.
Erda: Hail risk derived from NOAA SPC historical reports.
Grantsville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Erda: Unavailable · Grantsville: Unavailable
A score difference cannot be calculated without both sources.
Erda: Storm surge model is not available for this location yet.
Grantsville: Storm surge model is not available for this location yet.
Wildfire
Erda: 63/100 · Grantsville: 52/100
Erda is 11 points higher.
Erda: Wildfire exposure derived from ingested fire potential tiles.
Grantsville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Erda: 22/100 · Grantsville: 22/100
No gap.
Erda: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Grantsville: Air quality signal derived from the latest EPA AirNow combined AQI grid.