seismometer seismometeran instrument that records ground movement; used to detect and measure earthquakes Related Articles: Glossary: seismic waveDecoding the hum of submarine volcanic eruptions – January 16, 2020Sound waves from earthquakes can reveal changes in ocean temperature – February 5, 2021Glacial Calving in the Arctic Produces Record Source Levels – March 15, 2022How is sound used to study the Earth’s history?EarthquakeCTBT Hydrophone StationHow is sound used to explore for oil and gas?How is sound used to monitor nuclear testing?How is sound used to measure global climate change? Chris Knowlton2017-10-27T13:43:29-05:00