Hypocenter
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A hypocenter or hypocentre, also called ground zero or surface zero, is the point on the Earth's surface directly below a nuclear explosion, meteor air burst, or other mid-air explosion. In seismology
Monument marking the hypocenter, or ground zero, of the atomic bomb explosion over Hiroshima.
The former hot dog stand nicknamed Cafe Ground Zero in the Pentagon's center courtyard.
Aerial view of the World Trade Center site in September 2001.
Earthquake
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An earthquake, also called a quake, tremor, or temblor, is the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves. Earthquakes can r
Hypocenter
…the point on the Earth's surface directly below a nuclear explosion, meteor air burst, or other mid-air explosion. In seismology, the hypocenter of an earthquake is its point of origin below ground; a synonym is the focus of an earthquake. Generally, the terms ground zero and surface zero are also used in relation…
Aerial photo of the San Andreas Fault in the Carrizo Plain, northwest of Los Angeles
Collapsed Gran Hotel building in the San Salvador metropolis, after the shallow 1986 San Salvador earthquake
The 2023 Turkey–Syria earthquakes ruptured along segments of the East Anatolian Fault at supershear speeds; more than 50,000 people died in both countries.
The Messina earthquake and tsunami took about 80,000 lives on December 28, 1908, in Sicily and Calabria.