the science or study of earthquakes and their phenomena.
the branch of geology concerned with the study of earthquakes and seismic waves
The scientific study of earthquakes and of the internal structure of the Earth. It includes the study of the origin, geographic distribution, effects, and possible prediction of earthquakes.
The branch of science devoted to the study of seismic waves and the information they provide about the structure of the interior of the Earth.
Note: Our knowledge of the properties of the crust, the mantle, and the core comes from this field.
noun 1. a seismograph equipped for measuring the direction, intensity, and duration of earthquakes by measuring the actual movement of the ground. seismometer (sīz-mŏm’ĭ-tər) A detecting device that receives seismic impulses. It is the detecting component of a seismograph. See more at seismograph.
noun 1. (botany) a nastic movement in response to shock, esp the rapid folding of the leaflets of the sensitive plant due to changes in turgor pressure caused by vibration
noun 1. an instrument for recording the occurrence or time of an earthquake. noun 1. an obsolete instrument that indicates the occurrence of an earthquake Compare seismograph
1. Service Employees International Union. SEIU Service Employees International Union