Ground zero is the exact location on the ground where any explosion occurs. The term has often been associated with nuclear explosions, but is also used in relation to earthquakes, epidemics and other disasters to mark the point of the most severe damage or destruction. Damage gradually decreases with distance from this point. It has been suggested that Nuclear explosive be merged into this article or section. ...

The term may also be used to describe the impact point of any exploding bomb. In the case of a bomb which explodes above ground, the term refers to the point on the ground directly below the bomb at the moment of detonation (see hypocenter). The Massive Ordnance Air Blast (MOAB) bomb, also known as Mother Of All Bombs, produced in the United States. ... The hypocenter or hypocentre (literally: below the center from the Greek υπόκεντρον), also known as the focus. ...

The term was military slang—used at the Trinity site where the weapon tower for the first nuclear weapon was at point 'zero'—and moved into general use very shortly after the end of World War II (see Manhattan Project). An early stage in the Trinity fireball. ... The mushroom cloud of the atomic bombing of Nagasaki, Japan, 1945, rose some 18 kilometers (11 mi) above the hypocenter. ... Combatants Major Allied powers: United Kingdom Soviet Union United States Republic of China and others Major Axis powers: Nazi Germany Italy Japan and others Commanders Winston Churchill Joseph Stalin Franklin Roosevelt Harry Truman Chiang Kai-Shek Adolf Hitler Benito Mussolini Hideki Tojo Casualties Military dead: 17,000,000 Civilian dead... The Manhattan Project resulted in the development of the first nuclear weapons, and the first-ever nuclear detonation, at the Trinity test of July 16, 1945. ...

Hiroshima and Nagasaki

Ground Zero (Nagasaki Hypocenter Monument)

Relating to a specific event, the term was first used to refer to the devastation caused by the atomic bombings of Hiroshima and Nagasaki [1]. Image File history File linksMetadata Download high-resolution version (1600x1200, 908 KB)The monument marking the atomic bomb hypocenter in Nagasaki, Japan. ... Image File history File linksMetadata Download high-resolution version (1600x1200, 908 KB)The monument marking the atomic bomb hypocenter in Nagasaki, Japan. ... The Fat Man mushroom cloud resulting from the nuclear explosion over Nagasaki rises 18 km (11 mi, 60,000 ft) into the air from the hypocenter. ...

The Pentagon

The Pentagon, the headquarters of the U.S. Department of Defense in Washington, D.C. was thought of as the most likely target of a nuclear missile strike during the Cold War. The open space in the center is informally known as ground zero, and a snack bar located at the center of this plaza is named the "Ground Zero Cafe." The Pentagon is the headquarters of the United States Department of Defense, located at 48 N. Rotary Road, Arlington, Virginia 22211 (Map). ... The United States Department of Defense, abbreviated DoD or DOD and sometimes called the Defense Department, is a civilian Cabinet organization of the United States government. ... Nickname: DC, The District Motto: Justitia Omnibus (Justice for All) Location of Washington, D.C., in relation to the states Maryland and Virginia. ... A nuclear missile is a type of: missile nuclear weapon It could also refer to a missile with some form of nuclear propulsion, such as the Project Pluto cruise missile. ... For other uses, please see Cold War (disambiguation). ...

World Trade Center

Ground Zero (WTC site)

Many journalists applied the term to describe the former site of the World Trade Center of New York City, which was destroyed in the September 11, 2001 attacks. Rescue workers preferred the phrase "The Pile", referring to the pile of rubble that was left after the buildings collapsed. Image File history File linksMetadata Wiki42814. ... Image File history File linksMetadata Wiki42814. ... The World Trade Center site destruction, 2001 in 2006 The World Trade Center site is the 16-acre (6. ... 1 World Trade Center redirects here. ... Nickname: Big Apple, City that never Sleeps Location in the state of New York Coordinates: Country United States State New York Boroughs Bronx (The Bronx) New York (Manhattan) Queens (Queens) Kings (Brooklyn) Richmond (Staten Island) Mayor Michael Bloomberg (R) Area    - City 1,214. ... A sequential look at United Flight 175 crashing into the south tower of the World Trade Center The September 11, 2001 attacks (often referred to as 9/11—pronounced nine eleven or nine one one) consisted of a series of coordinated terrorist[1] suicide attacks upon the United States, predominantly... The Pile, Manhattan The Pile was the term coined by the rescue workers to describe the tons of wreckage left from the September 11, 2001 Terrorist Attacks on the World Trade Center. ...

Further information: World Trade Center site

The World Trade Center site destruction, 2001 in 2006 The World Trade Center site is the 16-acre (6. ...

Hurricane Katrina

The term has loosely been applied to several of the cities and towns struck by Hurricane Katrina in August 2005, such as New Orleans, Slidell, Louisiana, Gulfport, Biloxi, and Waveland, Mississippi, and Mobile, Alabama^{[citation needed]}. Lowest pressure 902 mbar (hPa; 26. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... Nickname: The Crescent City, The Big Easy, The City That Care Forgot, NOLA (acronym for New Orleans, LA) Location in the State of Louisiana and the United States Coordinates: Country United States State Louisiana Parish Orleans Founded 1718 Mayor Ray Nagin (D) Area    - City 350. ... Slidell is a city in St. ... This Article does not cite its references or sources. ... Gulfport is the name of some places in the United States of America: Gulfport, Florida Gulfport, Mississippi This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Biloxi and Mississippi coast Biloxi () is a city in Harrison County, Mississippi, in the United States. ... Waveland is a city located in Hancock County, Mississippi, on the Gulf of Mexico. ... This article does not cite its references or sources. ... Nickname: The Azalea City Coordinates: Country US State Alabama County Mobile Founded 1702 Incorporated 1814 Mayor Sam Jones Area    - City 412. ... Official language(s) English Capital Montgomery Largest city Birmingham Area  Ranked 30th  - Total 52,419 sq mi (135,765 km²)  - Width 190 miles (306 km)  - Length 330 miles (531 km)  - % water 3. ...

External links

• History of the Word Ground Zero