Florida Sinkholes  

Sinkhole:15-530 (Pinellas County, 1990)

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Sinkhole Reference Number: 15-530
Verified Sinkhole:
Date: Feb. 9, 1990
USGS Quadrangle Name: Elfers (X-30)
Size Dimensions: Estimated
Shape of Sinkhole: Circular
Length: 8 ft
Width: 8 ft
Depth: 6 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: No
Sinkhole Repaired: Yes
Repair Planned: No
Landuse Codes: Urban (Medium/High Density Residential)
Soil Type: Sand
Comments: FIVE OAK TREES NEAR SINKHOLE DIED APPX ONE(1) YEAR BEFORE OCCURRENCE. TESTING OF SITE DONE BY DAVID HIGHES & DAVE YOUNG OF CENTRAL FLA.. TESTING LABORATORIES, LIMESTOME AT DEPTH OF 33 FT. W/ SIX FT. CAVITY. THIS IS FROM CORE SAMPLE.. THERE ARE TWO SINKHO


Source: Florida Department of Environmental Protection

 
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