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Structure #3 (United States Army Corps of Engineers, 1999). <br /> Extent. Best available data do not indicate that there have <br /> been any dam or levee failures in Indian River County or the <br /> municipalities. The overall extent of seismic hazards in Indian <br /> River County is uniform throughout the individual jurisdictions <br /> in the County. <br /> I. Seismic Hazards (Earthquakes) — Hazard Identification. <br /> Although Florida is not usually considered to be a state subject <br /> to earthquakes, several minor shocks have occurred overtime, <br /> but only one caused any damage (USDOI, USGS, 2004). <br /> Historic Events. <br /> • In January 1879, a shock occurred near St. Augustine that <br /> is reported to have knocked plaster from walls and articles <br /> from shelves. Similar effects were reported in Daytona <br /> Beach. The shock was felt in Tampa, throughout central <br /> Florida, and in Savannah, Georgia as well (USDOI, USGS, <br /> 2004). <br /> • In January 1880 another earthquake occurred, this time <br /> with Cuba as the focal point. Shock waves were sent as far <br /> north as the town of Key West (USDOI, USGS, 2004). <br /> • In August 1886, Charleston, South Carolina was the center <br /> of a shock that was felt throughout northern Florida. It rang <br /> church bells in St. Augustine and severely jolted other <br /> towns along sections of Florida's east coast. Jacksonville <br /> residents felt many of the strong aftershocks that occurred <br /> in September, October, and November 1886 (USDOI, <br /> USGS, 2004). <br /> • In June 1893, Jacksonville experienced a minor shock that <br /> lasted about 10 seconds. Another earthquake occurred in <br /> October 1893, which also did not cause any damage <br /> (USDOI, USGS, 2004). <br /> • In November 1948, doors and windows rattled in Captiva <br /> Island, west of Ft. Myers. It was reportedly accompanied <br /> by sounds like distant heavy explosions (USDOI, USGS). <br /> In November 1952, a slight tremor was felt in Quincy, a town <br /> located 20 miles northwest of Tallahassee. Windows and <br /> doors rattled, but no damage was reported (USDOI, USGS). <br /> Indian River County Comprehensive Emergency Management Plan Basic Page 50 <br />