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Sign in to savethumb|250px|Distortion seismometer A strainmeter is an instrument used by geophysicists to measure the deformation of the Earth. Linear strainmeters measure the changes in the distance between two points, using either a solid piece of material (over a short distance) or a laser interferometer (over a long distance, up to several hundred meters).
Wikidata facts
- Instance of
- scientific instrument
- Image
- Matsushiro Seismological Observatory Distortion seismometer.jpg
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