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Epicenter, the Glossary

The epicenter, epicentre, or epicentrum in seismology is the point on the Earth's surface directly above a hypocenter or focus, the point where an earthquake or an underground explosion originates.^[1]

39 relations: Alaska, Ancient Greek, Bryan A. Garner, Bulk density, Clock, Degree (angle), Displacement (geometry), Earth, Earth's outer core, Earthquake, Fault mechanics, Focal mechanism, Gardner's relation, Garner's Modern English Usage, Ground motion, Hypocenter, Latinisation of names, Longitudinal wave, Moment magnitude scale, Neo-Latin, Oxford University Press, P wave, Pendulum, Refraction, Robert Mallet, S wave, Seismic hazard, Seismic wave, Seismogram, Seismology, Seismometer, Shadow zone, Subduction, Time, Transverse wave, Trilateration, Václav Láska (mathematician), William Safire, 2002 Denali earthquake.
Geographic position
Geometric centers

Alaska

Alaska is a non-contiguous U.S. state on the northwest extremity of North America.

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Ancient Greek

Ancient Greek (Ἑλληνῐκή) includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC.

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Bryan A. Garner

Bryan Andrew Garner (born November 17, 1958) is an American legal scholar and lexicographer.

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Bulk density

In materials science, bulk density, also called apparent density, is a material property defined as the mass of the many particles of the material divided by the bulk volume.

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Clock

A clock or chronometer is a device that measures and displays time.

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Degree (angle)

A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees.

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Displacement (geometry)

In geometry and mechanics, a displacement is a vector whose length is the shortest distance from the initial to the final position of a point P undergoing motion.

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Earth's outer core

Earth's outer core is a fluid layer about thick, composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle.

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Earthquake

An earthquakealso called a quake, tremor, or tembloris the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves. Epicenter and earthquake are seismology.

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Fault mechanics

Fault mechanics is a field of study that investigates the behavior of geologic faults.

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Focal mechanism

The focal mechanism of an earthquake describes the deformation in the source region that generates the seismic waves. Epicenter and focal mechanism are seismology.

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Gardner's relation

Gardner's relation, or Gardner's equation, named after G. H. F. Gardner and L. W. Gardner, is an empirically derived equation that relates seismic P-wave velocity to the bulk density of the lithology in which the wave travels. Epicenter and Gardner's relation are seismology.

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Garner's Modern English Usage

Garner's Modern English Usage (GMEU), written by Bryan A. Garner and published by Oxford University Press, is a usage dictionary and style guide (or 'prescriptive dictionary') for contemporary Modern English.

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Ground motion

Ground motion is the movement of the Earth’s surface from earthquakes or explosions. Epicenter and Ground motion are seismology.

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Hypocenter

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. Epicenter and hypocenter are Geometric centers and seismology.

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Latinisation of names

Latinisation (or Latinization) of names, also known as onomastic Latinisation, is the practice of rendering a non-Latin name in a modern Latin style.

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Longitudinal wave

Longitudinal waves are waves in which the vibration of the medium is parallel to the direction the wave travels and displacement of the medium is in the same (or opposite) direction of the wave propagation.

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Moment magnitude scale

The moment magnitude scale (MMS; denoted explicitly with M or or Mwg, 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.

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Neo-Latin

Neo-LatinSidwell, Keith Classical Latin-Medieval Latin-Neo Latin in; others, throughout.

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Oxford University Press

Oxford University Press (OUP) is the publishing house of the University of Oxford.

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P wave

A P wave (primary wave or pressure wave) is one of the two main types of elastic body waves, called seismic waves in seismology. Epicenter and p wave are seismology.

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Pendulum

A pendulum is a device made of a weight suspended from a pivot so that it can swing freely.

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Refraction

In physics, refraction is the redirection of a wave as it passes from one medium to another.

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Robert Mallet

Robert Mallet (3 June 1810 – 5 November 1881) was an Irish geophysicist, civil engineer, and inventor who distinguished himself by research concerning earthquakes (and is sometimes known as the father of seismology).

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S wave

In seismology and other areas involving elastic waves, S waves, secondary waves, or shear waves (sometimes called elastic S waves) are a type of elastic wave and are one of the two main types of elastic body waves, so named because they move through the body of an object, unlike surface waves. Epicenter and s wave are seismology.

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Seismic hazard

A seismic hazard is the probability that an earthquake will occur in a given geographic area, within a given window of time, and with ground motion intensity exceeding a given threshold.

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Seismic wave

A seismic wave is a mechanical wave of acoustic energy that travels through the Earth or another planetary body. Epicenter and seismic wave are seismology.

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Seismogram

A seismogram is a graph output by a seismograph.

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Seismology

Seismology (from Ancient Greek σεισμός (seismós) meaning "earthquake" and -λογία (-logía) meaning "study of") is the scientific study of earthquakes (or generally, quakes) and the generation and propagation of elastic waves through the Earth or other planetary bodies.

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References

[1] https://en.wikipedia.org/wiki/Epicenter

Also known as Earthquake epicentre, Earthquake location, Epicenterd, Epicentre.

Epicenter, the Glossary

Table of Contents

See also

Geographic position

Geometric centers

References