noun, plural seismicities.
the frequency, intensity, and distribution of earthquakes in a given area.
seismic activity; the phenomenon of earthquake activity or the occurrence of artificially produced earth tremors
The frequency or magnitude of earthquake activity in a given area. Global seismicity maps show that the regions where seismicity is the highest correspond with the edges of the tectonic plates.
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; […]
noun 1. the natural activity or group of phenomena associated with earthquakes.
1. a combining form meaning “earthquake,” used in the formation of compound words: seismograph. combining form 1. earthquake: seismology