Seismograph | Definition Facts | Britannica seismograph, instrument that makes a record of seismic waves caused by an earthquake, explosion, or other Earth -shaking phenomenon Seismographs are equipped with electromagnetic sensors that translate ground motions into electrical changes, which are processed and recorded by the instruments’ analog or digital circuits
Seismographs - Keeping Track of Earthquakes | U. S. Geological Survey Seismic waves lose much of their energy in traveling over great distances But sensitive detectors (seismometers) can record theses waves emitted by even the smallest earthquakes When these detectors are connected to a system that produces a permanent recording, they are called seismographs
Seismometer - Wikipedia A seismometer is an instrument that responds to ground displacement and shaking such as caused by quakes, volcanic eruptions, and explosions They are usually combined with a timing device and a recording device to form a seismograph [1]
What is a seismograph and how does it work? | SAGE - IRIS A seismograph is a device for measuring the movement of the earth, and consists of a ground-motion detection sensor, called a seismometer, coupled with a recording system A simple seismometer that is sensitive to up-down motions of the earth can be understood by visualizing a weight hanging on a spring
How Does a Seismograph Work? - HowStuffWorks A seismograph is a recording device that scientists use to measure earthquakes The goal of a seismograph is to accurately record seismic waves during a quake If you live in a city, you may have noticed the ground shaking when a big truck or a subway train rolls by
Seismograph: Definition, Diagram, Working, Types, Applications A seismograph is an instrument that measures and records the motion of the ground caused by earthquakes, volcanic eruptions, and other seismic events It consists of a sensor, called a seismometer, that detects the ground motion and a recorder that records the output of the seismometer
What is a Seismograph? - BYJUS A seismograph is an instrument that measures and documents vital information about earthquakes Seismographs are equipped with electromagnetic sensors that translate ground motions into electrical voltages
Seismographs | Earthquake Detection, Analysis Research Learn how seismographs detect and record Earth’s vibrations to analyze and research earthquakes, aiding in seismic safety and preparedness Seismographs are fundamental tools in the field of geophysics, specifically used for detecting and recording the vibrations of the Earth
What is a Seismograph? (with picture) - AllTheScience A seismograph is a scientific instrument which records information about the duration, intensity, and direction of a seismic disturbance, classically an earthquake In addition to registering earthquakes, seismographs can also track large explosions, tidal waves, and other events which cause the ground to shake