A seismometer measures earthquakes, which are classified as natural disasters caused by the sudden release of energy in the Earth's crust. This release creates seismic waves that can shake the ground, causing damage and potential loss of life. Seismometers detect these vibrations and provide valuable data regarding the magnitude, depth, and location of seismic events. This information is crucial for understanding earthquake behavior and can help in developing early warning systems and improving safety measures in earthquake-prone areas. Additionally, seismometers play a key role in geological research and exploration.