Features and activity of the Isehara fault estimated from drilling survey

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概要

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• The Isehara fault extends north to south for a distance of about 13 km along the eastern foot of the Tanzawa Range, central Japan. We have conducted a drilling survey of the Isehara fault at Isehara City, Kanagawa Prefecture. Drilling from the hanging wall side of the Isehara fault reached the foot wall sediments. The Isehara fault thrusts late Pleistcene terrace deposits and Tertiary basement rock over unconsolidated late pleistcene terrace deposits. Based on correlating of strata on the hanging wall and footwall sides of the fault using 14C ages and tephras, rate of the slip on the fault surface was estimated at 0.56 -1.46 mm/yr.

• Japanese Society for Active Fault Studiesの論文

著者

• 早田 勉

  株式会社古環境研究所

関連論文

• Features and activity of the Isehara fault estimated from drilling survey

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