Florida Sinkholes  

Sinkhole:08-530 (Hernando County, 1988)

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Sinkhole Reference Number: 08-530
Verified Sinkhole:
Date: Jan. 21, 1988
USGS Quadrangle Name: Weekiwachee Springs,
Size Dimensions: Estimated
Shape of Sinkhole: Enlongated
Length: 20 ft
Width: 5 ft
Depth: 5.5 ft
Slope of Sides: 90
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: Yes
Sinkhole Repaired: Yes
Repair Planned: No
Landuse Codes: Suburban (Low Density Residential)
Soil Type: Sand, Clayey Sand, Sandy Clay
Comments: THE SINK WAS REPAIRED BY PRESSURE GROUTING. IT TOOK 6 TRUCK LOADS OF CEMENT.. THREE PIN PILINGS WERE PLACED AT A DEPTH OF 20 FEET. THE SINK EXTENDED. UNDER THE PATIO. ALLSTATE INSURANCE.. LIMESTONE IS NEAR 50 FEET BENEATH THE SURFACE FROM WELL LOG..


Source: Florida Department of Environmental Protection

 
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