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The tremor was felt as far south as Tampa and as far north as Savannah, Georgia. In January 1880, Cuba was the center of two strong earthquakes that sent severe shock waves through the city of Key West, Florida. [8] Another earthquake centered outside Florida was the 1886 Charleston earthquake. The shock was felt throughout northern Florida ...
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. USGS: Florida Geology Archived 2009-11-28 at the Wayback Machine; Paleobiology database: Love Bone Bed Collection
Table displaying the Okeechobean Sea and its relation to geologic time and North American Land Mammal Ages.Dry periods or marine regressive periods are tan in color. The Okeechobean Sea was a Cenozoic eutropical subsea, which along with the Choctaw Sea, occupied the eastern Gulf of Mexico basin system bounding Florida.
Florida has a very rich fossil record spanning from the Eocene to recent times. Florida fossils are often very well preserved. [1] The oldest known fossils in Florida date back to the Eocene. At this time Florida was covered in a sea home to a variety of marine invertebrates and the primitive whales, such as Basilosaurus.
The Coharie terrace and shoreline was applied by C. W. Cook in 1931 and was named for the Great Coharie Creek, a tributary of the Black River in North Carolina.It is associated with a Pre-Illinoian interglacial [2] and was the third rise in sea level during the Early Pleistocene glacial retreat and left behind dry land in the form of six distinct islands.
The Atlantic Coastal Ridge is a geomorphological feature paralleling the Atlantic coast of Florida from the border with Georgia to Miami-Dade County, where it transitions into the Miami Rock Ridge. For most of its length it consists of one or more relict beach ridges created when the sea level was about 30 feet (9.1 m) higher than at present.
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).
A paleoshoreline (ancient shoreline) is a shoreline that existed in the geologic past. (Paleo is from an ancient Greek word meaning "old" or "ancient".) [1] Paleoshorelines are driven by changes in sea level over geological time. "Sea level" refers to the average level of a marine water body over a relatively long period of time (years).