「断層と地震」 : その歴史と展望

概要

論文の詳細を見る
A fault was just a geological term until the end of the last century and has long been defined as a fracture surface against which the rock bodies have been relatively displaced. On the other hand, an earthquake has been regarded as the passage of the vibrations that spread out from the source of sudden disturbance of rocks caused by an unknown mechanism. The wide spread view in the first half or this century seems to be that the researches may be carried on independently both on faults and on earthquake foci. There was even a strong view that the earthquakes might becaused by some earth movements other than faultings. Recently, hovewer, it is established that the earthquakes are due to sudden earth movements along faults. In this paper, a short history of seismological researches, and neotectonic research cson faults is dealt with, so that the evolution of the idea that the cause of earthquakes is not hing but a faulting could be realized.
1976-03-25