Sinkhole risk in Martinsville city, VA: No soluble rock mapped
No soluble rock mapped
No soluble bedrock mapped.
- On soluble rock
- 0%
- At or near the surface
- 0%
- Buried under cover
- 0%
What to do about a house in Martinsville city
No soluble bedrock is mapped here, so natural sinkholes are unlikely. Collapses from broken pipes or old mines are a separate risk.
Across 11 square miles, under one square mile of Martinsville city maps onto soluble rock. With about 13,834 residents (1,263 per square mile), most of the county is built up, so a mapped unit is likely to sit under somebody's street. The figures come from 599 map points about 0.1 miles apart, so a pocket smaller than that can be missed or overstated.
Read next: how these percentages are measured, and the warning signs that apply anywhere.
Counties around Martinsville city
The nearest county rated sinkhole country is Roanoke city, VA, about 41 miles north. 3 of the 6 closest counties land in the same band; the ground changes quickly around here.
- Henry County, VA 8 mi southwest · under 1% at surface
- Franklin County, VA 21 mi north · under 1% at surface
- Rockingham County, NC 21 mi south · 9% at surface
- Patrick County, VA 23 mi west · 0% at surface
- Danville city, VA 26 mi east · 1% at surface
- Pittsylvania County, VA 27 mi east · 2% at surface
Against the rest of Virginia
Martinsville city ranks 128 of 133 in Virginia for soluble rock at the surface, and sits above 0% of US counties on that measure.
- Lexington city 100%
- Salem city 100%
- Roanoke city 98%
- Winchester city 90%
- Bristol city 89%