Seismographs are instruments that measure natural events known as earthquakes. They detect the vibrations and waves produced by seismic activity, using sensors to record the intensity, duration, and characteristics of ground motion. When an earthquake occurs, seismic waves travel through the Earth, and the seismograph captures these waves, producing a seismogram. This data is crucial for understanding the nature of earthquakes, assessing their impact, and contributing to earthquake preparedness and response efforts. Seismographs play a key role in the field of seismology and disaster management.