As discussed in Lesson 5, earthquakes occur when elastic energy is accumulated slowly within the Earth's crust as a result of plate motions ... form of waves called seismic waves.

Seismic instruments are used to measure low-frequency ground motion caused by earthquakes. They detect the seismic waves created by subsurface ruptures and convert ground motions into electronic ...

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Even more remarkable is the technique of seismic tomography, which uses the signals of earthquakes to build 3D visualisations of sunken rock slabs. "Plate tectonics was a revolution. I’m a ...

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The strange rumble was detected mid-September last year. An odd seismic signal appeared at scientific stations around the ...

The tiny Juan de Fuca plate is largely responsible for the volcanoes that dot the Pacific Northwest of the United States. The plates make up Earth's outer shell, called the lithosphere.

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 ...

A spate of notable quakes have rattled Southern California in recent months — a reminder that the last three decades of relative seismic quiet won’t last forever. California is preparing for ...

Despite a few fleeting trends here and there, kitchen designs have remained virtually unchanged for decades. Yes, the materials and colors might switch up more frequently with the changing tides ...

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