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The 1886 Charleston earthquake (magnitude 6.6 to 7.3) was felt in DC. The strongest earthquake in Virginia happened in 1897 and was felt in the District. An earthquake in 1925 in Canada, estimated about magnitude 7, was felt over 2 million square miles (5.18 million km 2). Another 6.2 earthquake in 1935 caused damage in New York and shook ...
image = Location map Washington DC Cleveland Park to Southwest Waterfront.png The default map image, without "Image:" or "File:" top = 38.9375 Latitude at top edge of map, in decimal degrees; bottom = 38.8591 Latitude at bottom edge of map, in decimal degrees; left = -77.0886 Longitude at left edge of map, in decimal degrees; right = -76.9902
Longitude: from West to East this map definition covers 0.23 degrees.. At an image width of 200 pixels, that is 0.0012 degrees per pixel.; At an image width of 1000 pixels, that is 0.0002 degrees per pixel.
The Washington metropolitan area, also referred to as the D.C. area, Greater Washington, the National Capital Region, or locally as the DMV (short for District of Columbia, Maryland, and Virginia), is the metropolitan area centered around Washington, D.C., the federal capital of the United States.
dc.gov Washington, D.C. , formally the District of Columbia and commonly known as Washington or D.C. , is the capital city and federal district of the United States . The city is on the Potomac River , across from Virginia , and shares land borders with Maryland to its north and east.
DC neighborhoods map. Barnaby Woods • Brightwood • Brightwood Park • Chevy Chase (Part of the neighborhood is also in Ward 3) • Colonial Village • Crestwood • Fort Totten • Hawthorne • Manor Park • Petworth • Riggs Park • Lamond-Riggs • Shepherd Park • Sixteenth Street Heights • Takoma
Meridian four blocks north of Old Naval Observatory, looking south in August 2005. [15]The third meridian was defined on September 28, 1850, by Congress: "[T]he meridian of the observatory at Washington shall be adopted and used as the American meridian for all astronomical purposes and ... the meridian of Greenwich shall be adopted for all nautical purposes."
Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree.DD are used in many geographic information systems (GIS), web mapping applications such as OpenStreetMap, and GPS devices.