The word '''seismic''' refers to a vibration or tremor of the earth, usually caused by an [[earthquake]], explosion or other violent [[geological]] event. It comes from the [[Greek]] word "seismos" meaning earthquake. See also: [[seismicity]], [[aseismic]]. | The word '''seismic''' refers to a vibration or tremor of the earth, usually caused by an [[earthquake]], explosion or other violent [[geological]] event. It comes from the [[Greek]] word "seismos" meaning earthquake. See also: [[seismicity]], [[aseismic]]. |