粟島およびその周辺海底における重力測定
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概要
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Gravity work as planned was carried out in August-September, 1964 as part of the submarine expedition for the earth's deformations associated with the Niigata earthquake. By use of a LaCoste and Romberg gravimeter, the writers surveyed gravity at 22 stations on the land and at 9 submarine stations located in the area where fault-like steps were discovered by echo-sounding. In the latter case, surveys were made with the gravimeter on board a small submarine boat which bottomed successively at gravity stations under the water.
- 1966-07-25
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