earthquake wave
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earthquake wave — noun : a seismic wave … Useful english dictionary
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
Earthquake prediction — An earthquake prediction is a prediction that an earthquake in a specific magnitude range will occur in a specific region and time window. Predictions are considered as such to the extent that they are reliable for practical, as well as… … Wikipedia
Earthquake engineering — is the study of the behavior of buildings and structures subject to seismic loading. It is a subset of both structural and civil engineering.The main objectives of earthquake engineering are: * Understand the interaction between buildings or… … 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 — Earth quake , n. A shaking, trembling, or concussion of the earth, due to subterranean causes, often accompanied by a rumbling noise. The wave of shock sometimes traverses half a hemisphere, destroying cities and many thousand lives; called also… … The Collaborative International Dictionary of English
Earthquake alarm — Earthquake Earth quake , n. A shaking, trembling, or concussion of the earth, due to subterranean causes, often accompanied by a rumbling noise. The wave of shock sometimes traverses half a hemisphere, destroying cities and many thousand lives;… … The Collaborative International Dictionary of English
Earthquake — For other uses, see Earthquake (disambiguation). Global earthquake epicenters, 1963–1998 … Wikipedia
1989 Loma Prieta earthquake — earthquake title= Loma Prieta earthquake date=October 17, 1989 magnitude=6.9 Mw depth=convert|18|km|mi|0 epicenter location=coord|37.04| 121.88) countries affected=United States (San Francisco Bay Area) location=Forest of Nisene Marks State Park … 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 location — The primary purpose of a seismometer is to locate the initiating points of earthquake hypocenters. The secondary purpose, of determining the size or Moment magnitude scale must be calculated after the precise location is known.The earliest… … Wikipedia