pertaining to, of the nature of, or caused by an earthquake or vibration of the earth, whether due to natural or artificial causes.
relating to or caused by earthquakes or artificially produced earth tremors Also (less commonly) seismical (ˈsaɪzmɪkəl)
of enormous proportions or having highly significant consequences: seismic social change
Relating to an earthquake or to other tremors of the Earth, such as those caused by large explosions.
- Seismic array
noun 1. 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 […]