a system of linked seismographs arranged in a regular geometric pattern to increase sensitivity to earthquake detection
noun 1. the part of an active fault that has experienced little or no seismic activity for a long period, indicating the buildup of stresses that are useful in predicting earthquakes.
noun, plural seismicities. 1. the frequency, intensity, and distribution of earthquakes in a given area. noun 1. seismic activity; the phenomenon of earthquake activity or the occurrence of artificially produced earth tremors seismicity (sīz-mĭs’ĭ-tē) The frequency or magnitude of earthquake activity in a given area. Global seismicity maps show that the regions where seismicity is […]
noun, Oceanography. 1. tsunami. noun 1. an unusually large sea wave produced by a seaquake or undersea volcanic eruption. noun (pl) -mis, -mi 1. a large, often destructive, sea wave produced by a submarine earthquake, subsidence, or volcanic eruption. Sometimes incorrectly called a tidal wave 2. a sudden increase in or overwhelming number or volume […]
noun 1. a wave of energy that is generated by an earthquake or other earth vibration and that travels within the earth or along its surface. seismic wave noun 1. an earth vibration generated by an earthquake or explosion noun an elastic shock wave that travels through the earth, as from an earthquake or explosion; […]