Seismometer | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-22

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Seismometer


00:00:33 1 Basic principles
00:03:18 2 Nomenclature
00:04:43 3 History
00:05:18 3.1 Ancient era
00:06:39 3.2 Modern designs
00:10:54 4 Modern instruments
00:11:22 4.1 Teleseismometers
00:13:33 4.2 Strong-motion seismometers
00:16:48 4.3 Other forms
00:17:41 4.4 Interconnected seismometers
00:18:39 4.5 Fiber optic cables as seismometers
00:21:29 5 Recording
00:23:45 6 See also
00:25:14 7 References



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SUMMARY
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A seismometer is an instrument that responds to ground motions, such as caused by earthquakes, volcanic eruptions, and explosions. Seismometers are usually combined with a timing device and a recording device to form a seismograph. The output of such a device—formerly recorded on paper (see picture) or film, now recorded and processed digitally—is a seismogram. Such data is used to locate and characterize earthquakes, and to study the Earth's internal structure.