最近の関東南部における地殼活動
1970 年 79 巻 3 号 p. 139-150
詳細
1970 年 79 巻 3 号 p. 139-150
Recently, crustal movements in the Boso and Miura peninsulas have changed their mode of previous gradual sinking after the Great Kanto Earthquake to an upheaval tendency. The phenomena attracted much notice widely and increased the interest for earthquake prediction. At this opportunity, short sketch and discussion were made about the characteristics of recent crustal activities in the south Kanto district which had mainly obtained by means of geodetic repetition surveys such as levelling, tide observation, triangulation survey, distance measurement and geomagnetic survey. A picture for explaining the outline of the feature of crustal movement and a new geodetic survey planned by G.S.I. were also briefly discussed.
