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1886 Charleston Earthquake
The 1886 Charleston earthquake occurred about 9:50 p.m. local time August 31. It caused 60 deaths and $5–6 million ($ million in ) in damage to 2,000 buildings in the Southeastern United States. It is one of the most powerful and damaging earthquakes to hit the East Coast of the United States. Scientists have classified it as an intraplate earthquake, and said that it had an estimated moment magnitude of 6.9–7.3 and a maximum Mercalli intensity of X (''Extreme''). Very little to no historical earthquake activity had occurred in this region, which is unusual for any seismic area. Earthquake The shock was felt as far away as Boston, Massachusetts, to the north, Chicago, Illinois, and Milwaukee, Wisconsin, to the northwest, New Orleans, Louisiana, to the west, and across water to Cuba to the south, and Bermuda to the east. The earthquake was so severe that outside the immediate area, there was speculation that the Florida peninsula had broken away from North Ame ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moment Magnitude Scale
The moment magnitude scale (MMS; denoted explicitly with or Mw, and generally implied with use of a single M for magnitude) is a measure of an earthquake's magnitude ("size" or strength) based on its seismic moment. It was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori. Similar to the local magnitude/Richter scale () defined by Charles Francis Richter in 1935, it uses a logarithmic scale; small earthquakes have approximately the same magnitudes on both scales. Despite the difference, news media often says "Richter scale" when referring to the moment magnitude scale. Moment magnitude () is considered the authoritative magnitude scale for ranking earthquakes by size. It is more directly related to the energy of an earthquake than other scales, and does not saturate—that is, it does not underestimate magnitudes as other scales do in certain conditions. It has become the standard scale used by seismological authorities like the U.S. Geological SurveyThe "USGS ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fault (geology)
In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic forces, with the largest forming the boundaries between the plates, such as the megathrust faults of subduction zones or transform faults. Energy release associated with rapid movement on active faults is the cause of most earthquakes. Faults may also displace slowly, by aseismic creep. A ''fault plane'' is the plane that represents the fracture surface of a fault. A '' fault trace'' or ''fault line'' is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geologic maps to represent a fault. A ''fault zone'' is a cluster of parallel faults. However, the term is also used for the zone of crushed rock along a single fault. Prolonged motion along closely spaced faults can blur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are shaped by the Blue Ridge Mountains and the Chesapeake Bay, which provide habitat for much of its flora and fauna. The capital of the Commonwealth is Richmond; Virginia Beach is the most-populous city, and Fairfax County is the most-populous political subdivision. The Commonwealth's population was over 8.65million, with 36% of them living in the Baltimore–Washington metropolitan area. The area's history begins with several indigenous groups, including the Powhatan. In 1607, the London Company established the Colony of Virginia as the first permanent English colony in the New World. Virginia's state nickname, the Old Dominion, is a reference to this status. Slave labor and land acquired from displaced native tribes fueled the gro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kentucky
Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia to the east; Tennessee to the south; and Missouri to the west. Its northern border is defined by the Ohio River. Its capital is Frankfort, and its two largest cities are Louisville and Lexington. Its population was approximately 4.5 million in 2020. Kentucky was admitted into the Union as the 15th state on June 1, 1792, splitting from Virginia in the process. It is known as the "Bluegrass State", a nickname based on Kentucky bluegrass, a species of green grass found in many of its pastures, which has supported the thoroughbred horse industry in the center of the state. Historically, it was known for excellent farming conditions for this reason and the development of large tobacco plantations akin to those in Virginia and North Carolin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ohio
Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-largest by area, and with a population of nearly 11.8 million, is the List of U.S. states and territories by population, seventh-most populous and List of U.S. states and territories by population density, tenth-most densely populated. The state's capital and List of cities in Ohio, largest city is Columbus, Ohio, Columbus, with the Columbus metropolitan area, Ohio, Columbus metro area, Cincinnati metropolitan area, Greater Cincinnati, and Greater Cleveland being the List of metropolitan statistical areas, largest metropolitan areas. Ohio is bordered by Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the west, and Michigan to the northwest. Ohio is historically known as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alabama
(We dare defend our rights) , anthem = " Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,765 , area_total_sq_mi = 52,419 , area_land_km2 = 131,426 , area_land_sq_mi = 50,744 , area_water_km2 = 4,338 , area_water_sq_mi = 1,675 , area_water_percent = 3.2 , area_rank = 30th , length_km = 531 , length_mi = 330 , width_km = 305 , width_mi = 190 , Latitude = 30°11' N to 35° N , Longitude = 84°53' W to 88°28' W , elevation_m = 150 , elevation_ft = 500 , elevation_max_m = 735.5 , elevation_max_ft = 2,413 , elevation_max_point = Mount Cheaha , elevation_min_m = 0 , elevation_min_ft = 0 , elevation_min_point = Gulf of Mexico , OfficialLang = English , Languages = * English 95.1% * Spanish 3.1% , population_demonyms = Alabamian, Alabaman , population_as_of = 2021 , population_rank = 24th , 2010Pop = 5,039, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tybee Island, Georgia
Tybee Island is a city and a barrier island located in Chatham County, Georgia, 18 miles (29 km) east of Savannah, United States. Though the name "Tybee Island" is used for both the island and the city, geographically they are not identical: only part of the island's territory lies within the city. The island is the easternmost point in Georgia. The famous phrase "From Rabun Gap to Tybee Light," intended to illustrate the geographic diversity of Georgia, contrasts a mountain pass near the state's northernmost point with the coastal island's famous lighthouse. As of the 2020 census, the city's population was 3,114. The entire island is a part of the Savannah Metropolitan Statistical Area. Officially renamed "Savannah Beach" in a publicity move at the end of the 1950s, the city of Tybee Island has since reverted to its original name. (The name "Savannah Beach" nevertheless appears on official state maps as far back as 1952 and as recently as the mid-1970s.) The small isl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dorchester County, South Carolina
Dorchester County is a county located in U.S. state of South Carolina. As of the 2020 census, the population was 161,540. Its county seat is St. George. Dorchester County is included in the Charleston-North Charleston, SC Metropolitan Statistical Area. History Dorchester County is named for its first settlement area, which was established by Congregationalists in 1696. These settlers applied the name "Dorchester" after their last residence in Dorchester, Massachusetts. Dorchester was not established as a separate county until 1897. However, when it was separately established, it came from parts of the neighboring Colleton and Berkeley counties. Geography According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.4%) is water. State and local protected areas/sites * Colonial Dorchester State Historic Site * Edisto River Wildlife Management Area * Givhans Ferry State Park (part) * Middleton Place Major water bodies * Ashley Riv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Summerville, South Carolina
Summerville is a town in the U.S. state of South Carolina situated mostly in Dorchester County, with small portions in Berkeley and Charleston counties. It is part of the Charleston-North Charleston-Summerville Metropolitan Statistical Area. Summerville's population at the 2020 census was 50,915. Geography The center of Summerville is in southeastern Dorchester County; the town extends northeast into Berkeley and Charleston counties. It is bordered to the east by the town of Lincolnville and to the southeast by the city of North Charleston. Summerville's town limits extend south as far as the Ashley River next to Old Fort Dorchester State Historical Park. U.S. Route 78 passes near the center of Summerville, leading southeast to downtown Charleston and northwest to Interstate 95 at St. George. Interstate 26 leads through Summerville's northeast corner, with access from Exit 199, leading southeast to Charleston and northwest to Columbia. According to the United States ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Old White Meeting House Ruins And Cemetery
Old White Meeting House Ruins and Cemetery is a historic site near Summerville, Dorchester County, South Carolina. The meeting house was built about 1700, burned during the American Revolution in 1781, rebuilt in 1794, then reduced to ruins by the Charleston earthquake of 1886. The extant ruins include portions of each corner-the largest approximately 9’ high-and significant remnants of the foundation of walls. Also on the property is a contributing cemetery. The site was added to the National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ... in 2005. References Archaeological sites on the National Register of Historic Places in South Carolina Cemeteries on the National Register of Historic Places in South Carolina Churches in Dorcheste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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