File:Seismometer, Thomas A. Jaggar Museum, Hawaiʻi Volcanoes National Park, Hawaii (4529370926).jpg
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| Description |
Seismometers are instruments that measure motions of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources. Records of seismic waves allow seismologists to map the interior of the Earth, and locate and measure the size of these different sources. The word was coined by David Milne-Home in 1841, to describe an instrument designed by Scottish physicist James David Forbes. Seismograph is another Greek term from to draw. It is often used to mean seismometer, though it is more applicable to the older instruments in which the measuring and recording of ground motion were combined than to modern systems, in which these functions are separated. Both types provide a continuous record of ground motion; this distinguishes them from seismoscopes, which merely indicate that motion has occurred, perhaps with some simple measure of how large it was. The concerning technical discipline is called seismometry, a branch of seismology. en.wikipedia.org/wiki/Seismograph en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_... |
| Date | |
| Source | Seismometer, Thomas A. Jaggar Museum, Hawaiʻi Volcanoes National Park, Hawaii |
| Author | Ken Lund from Reno, Nevada, USA |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This image was originally posted to Flickr by Ken Lund at https://flickr.com/photos/75683070@N00/4529370926. It was reviewed on 9 January 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| current | 03:41, 9 January 2017 | | 2,816 × 2,112 (1.69 MB) | Holly Cheng (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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