Florida Sinkholes  

Sinkhole:77-540 (Seminole County, 1971)



Sinkhole Reference Number: 77-540
Verified Sinkhole:
Date: May 4, 1971
USGS Quadrangle Name: Casselberry T-41
Size Dimensions: Estimated
Shape of Sinkhole: Circular
Length: 40 ft
Width: 40 ft
Depth: 0.5 ft
Slope of Sides: -
Water Visible: No
Water Below Land Surface: -
Limestone Visible: No
Cave Visible: No
Subsidence Rate: Rapid
Triggering Mechanisms: Drought or Low Water Table
Pre-collapse indicators: 0
Property Damage: No
Sinkhole Repaired: Unknown
Repair Planned: Unknown
Landuse Codes: Suburban (Low Density Residential)
Soil Type: Moderately Drained Sandy Soil
Comments: ADJACENT TO 77-512, 15 FEET FROM HOUSE. . . . . . .

Source: Florida Department of Environmental Protection

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