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Florida is tied with North Dakota as having the fewest earthquakes of any US state. [7] Because Florida is not located near any tectonic plate boundaries, earthquakes are very rare, but not totally unknown. In January 1879, a shock occurred near St. Augustine. There were reports of heavy shaking that knocked plaster from walls and articles from ...
At 345 feet (105 m) above mean sea level, Britton Hill in northern Walton County is the highest point in Florida and the lowest known highpoint of any U.S. state. [3] Much of the state south of Orlando is low-lying and fairly level; however, some places, such as Clearwater, feature vistas that rise 50 to 100 feet (15 to 30 m) above the water.
The lithostratigraphy of the Hawthorn Group (Miocene) of Florida: Florida Geological Survey Bulletin 59 (PDF) (Report). Florida Geological Survey. Weems, Robert E.; Edwards, Lucy E. (2001). Geology of Oligocene, Miocene, and Younger Deposits in the Coastal Area of Georgia, Bulletin 131 (PDF) (Report). Atlanta, Georgia: Georgia Geologic Survey.
The Warm Mineral Springs is a water-filled sinkhole located in North Port, Florida, a mile north of U.S. 41. The primary water supply is a spring vent deep beneath the pool's water surface. Warm Mineral Springs is the only warm water mineral spring in the State of Florida.
The Lake Wales Ridge, sometimes referred to as the Mid-Florida Ridge, [1] is a sand ridge running for about 100 miles (160 km) south to north in Central Florida. Clearly viewable from satellite, the white sands of the ridge are located in Highlands County and Polk County , and also extend north into Osceola , Orange , and Lake Counties .
The ridges consist of unconsolidated marine calcareous muddy sand, about 12 meters (40 feet) thick, overlying a weathered, fossiliferous limestone of Miocene age (between 5 and 22 million years old) and capped by a carbonate rock composed primarily of the sessile vermetid gastropod Petaloconchus sp. (a marine snail that cements its tubular shell to a hard surface, such as a rock or another ...
Let us sing an ode to ooids, the tiny, roly-poly balls of broken shells that formed South Florida’s oolite limestone bedrock. South Florida geology 101: Lessons in the rock about future risks ...
Florida map depicting landmass in green belonging to the Hazelhurst deposits of the Miocene or Pliocene epochs. Florida's Hazelhurst terrace and shoreline (formerly the Brandywine) is an ancient relict shoreline or delta present in the southeastern United States's Atlantic seaboard dating from the Late Miocene to Early Pliocene (~11.0 to 7.0 Ma—3.6 to 2.88 Ma).