earthquake epicenter

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• Epicenter — The epicenter or epicentre is the point on the Earth s surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates. The word derives from the Greek ἐπίκεντρον ( epikentron ), occupying …   Wikipedia

• EARTHQUAKE — EARTHQUAKE, ground vibrations produced generally by a sudden subterranean occurrence. Accounts of destructive earthquakes extend far into antiquity. In biblical times earthquakes, like thunder and other natural cataclysms, were regarded as… …   Encyclopedia of Judaism

• Earthquake cloud — Earthquake clouds are clouds claimed to be signs of imminent earthquakes. The analyses of earthquake clouds as a form of earthquake prediction are generally not accepted by seismologists and other scientists.In chapter 32 of his work Brihat… …   Wikipedia

• epicenter — [ep΄isen′trəm] n. pl. epicentra [ep΄i sen′trəep′i sent΄ər] n. [< ModL epicentrum < EPI + L centrum, CENTER] 1. the area of the earth s surface directly above the place of origin, or focus, of an earthquake 2. a focal or central point: Also… …   English World dictionary

• Earthquake — For other uses, see Earthquake (disambiguation). Global earthquake epicenters, 1963–1998 …   Wikipedia

• Earthquake light — An earthquake light is an unusual luminous aerial phenomenon, similar in appearance to the aurora borealis, that allegedly appears in the sky at or near areas of tectonic stress, seismic activity or volcanic eruptions. Scientific evidence for the …   Wikipedia

• earthquake — noun ADJECTIVE ▪ big, great, huge, large, major, massive, powerful, severe, strong ▪ devastating …   Collocations dictionary

• Epicenter (disambiguation) — The epicenter (or epicentre ) is the point on the Earth s surface that is directly above the point where an earthquake or underground explosion originates.Epicenter or epicentre may also refer to: * Epicenter (book), a 2006 book by Joel C.… …   Wikipedia

• Earthquake warning system — An earthquake warning system is a system of accelerometers, communication, computers, and alarms that is devised for regional notification of a substantial earthquake while it is in progress. This is not the same as earthquake prediction, which… …   Wikipedia

• earthquake — I (New American Roget s College Thesaurus) n. tremor, seism, quake, shock. See violence. II (Roget s IV) n. Syn. quake, tremor, temblor, tremblor, trembler, earthquake shock, shock, fault, slip, movement of the earth s surface, movement of the… …   English dictionary for students

• epicenter — noun Etymology: New Latin epicentrum, from epi + Latin centrum center Date: 1887 1. the part of the earth s surface directly above the focus of an earthquake compare hypocenter 1 2. center 2a, b, c < the epicenter of world finance > • epicentral… …   New Collegiate Dictionary