Florida Sinkholes  

Sinkhole:77-535 (Seminole County, 1985)

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Sinkhole Reference Number: 77-535
Verified Sinkhole:
Date: June 1, 1985
USGS Quadrangle Name: Forest City T40
Size Dimensions: Estimated
Shape of Sinkhole: Circular
Length: 100 ft
Width: 100 ft
Depth: 1 ft
Slope of Sides: -
Water Visible: No
Water Below Land Surface: -
Limestone Visible: No
Cave Visible: Yes
Subsidence Rate: Slow
Triggering Mechanisms: Drought or Low Water Table
Pre-collapse indicators: 0
Property Damage: Yes
Sinkhole Repaired: Yes
Repair Planned: No
Landuse Codes: Urban (Medium/High Density Residential)
Soil Type: Quartz Sand And Organics
Comments: LARGE AREA AROUND HOUSE SHOWING STRESS CRACKS. OWNER. STEPPED ON GROUND AND SANK-IN UP TO HIS CHEST. SUBSIDENCE. STILL OCCURING. NEWSPAPER REPORTED 90 FOOT CAVERN EXISTS. BENEATH THE HOUSE. ALSO SEE 77-536.. . . .


Source: Florida Department of Environmental Protection

 
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