A seismometer is an instrument that records the shaking of the Earth's surface caused by seismic waves. The term seismograph usually refers to the combined seismometer and recording device. The first ...

BERLIN, Sept 27 (Reuters) - A seismograph on the Danish island of Bornholm twice recorded spikes representing earth tremors on Monday, the day on which the Nord Stream 1 and 2 gas pipelines ...

Get your seats to LSU games with SI Tickets According to measurements taken by LSU College of Science seismograph, multiple celebrations by the crowd in Tiger Stadium registered on the Richter scale.