- earthquake focus
-
• очаг землетрясения• фокус землетрясения• центр землетрясения
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake … Universalium
Focus — may refer to:In science, mathematics or computing: *Focus (optics), a point toward which light rays are made to converge **Autofocus, a feature of some optical systems that obtains and maintains correct focus on a target **Focal length, a measure … Wikipedia
focus — [fō′kəs] n. pl. focuses or foci [fō′sī΄] [ModL, adopted in math. senses by KEPLER Johannes (1604) < L, fireplace, hearth < ? IE base * bhok , to flame, burn > ? Arm boc̣, flame] 1. the point where rays of light, heat, etc. or waves of… … English World dictionary
focus — ► NOUN (pl. focuses or foci) 1) the centre of interest or activity. 2) the state or quality of having or producing clear visual definition: his face is out of focus. 3) the point at which an object must be situated with respect to a lens or… … English terms dictionary
Earthquake — For other uses, see Earthquake (disambiguation). Global earthquake epicenters, 1963–1998 … Wikipedia
Focus Humanitarian Assistance — [http://www.akdn.org/focus/index.html Focus Humanitarian Assistance] is an international group of agencies established in Europe, North America and South Asia to complement the provision of emergency relief, principally in the developing world.… … Wikipedia
Earthquake Early Warning (Japan) — The Nihongo|Earthquake Early Warning (EEW)|緊急地震速報|Kinkyū Jishin Sokuhō is a warning which is issued just after an earthquake in Japan is detected.cite news url=http://www.jma.go.jp/jma/en/Activities/eew1.html title=What is the Earthquake Early… … Wikipedia
earthquake — /ˈɜθkweɪk / (say erthkwayk) noun tremors or earth movements in the earth s crust when fracturing rocks send out a series of three distinct sets of shock waves (earthquake waves). Earthquakes are most common at the boundaries of tectonic plates,… …
focus — /ˈfoʊkəs / (say fohkuhs) noun (plural focuses or foci /ˈfoʊkaɪ/ (say fohkuy), /ˈfoʊki/ (say fohkee), /ˈfoʊsaɪ/ (say fohsuy)) 1. Physics a point at which rays of light, heat, or other radiation, meet after being refracted or reflected. 2. Optics …
focus — I. noun (plural foci; also focuses) Etymology: New Latin, from Latin, hearth Date: 1644 1. a. a point at which rays (as of light, heat, or sound) converge or from which they diverge or appear to diverge; specifically the point where the… … New Collegiate Dictionary
focus — focusable, adj. focuser, n. /foh keuhs/, n., pl. focuses, foci / suy, kuy/, v., focused, focusing or (esp. Brit.) focussed, focussing. n. 1. a central point, as of attraction, attention, or activity: The need to prevent a nuclear war became the… … Universalium