Characteristic Movements of the Earth's Crust Related with the Activity of Earthquakes
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概要
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Continuous observations of the crustal movements with tiltmeters and extensometers have been carried out since 1937 at twenty observing stations in Japan . From the analysis of the observational data before and after earthquake occurrence, it proved that characteristic crustal movements were clearly observed just in the direction in which the horizontal displacement of the crust was prominent, relating to the activity of earthquakes. And further, by comparing it with the data obtained by geodetic and seismometric observations, it was naturally inferred that almost all the shallow earthquakes as mentioned above should have been caused by some force closely related with the tectonic force generating the horizontal displacement of the crust in that region.
- 日本測地学会の論文
日本測地学会 | 論文
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