海底磁力計による地震予知の提案
1965 年 18 巻 2 号 p. 61-67
詳細
1965 年 18 巻 2 号 p. 61-67
A plan of the marine-magnetometer was made public in September, 1964 at the meeting of the Society of Terrestrial Magnetism and Electricity of Japan.
The writer proposes that about twenty marine-magnetometers for the total force are necessary for the predicting of earthquake.
If the marine-magnetometer consists of three elements, constructing twenty stations may be economically impossible within five years.
But if the magnetometer is constructed of only one element, which is the total force, twenty stations may be possible, because the structure is very simple.
An optical-pumping magnetometer is most suitable for the marine-magnetometer, because this magnetometer can record such a quick change as 500c/s, and perfectly continuously.
This magnetometer is much more sensitive and much smaller and remote-recording is much more suitable than any other magnetometer. The consumption of the electric power of this magnetometer is very little and shake-proof, because this was invented for the magnetometer of the rocket in 1957 in USA.
