微動H/V と重力探査に基づく福井平野の東西断面の地下構造推定

概要

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In the previous paper, the authors proposed a simple method of deducing the ground structure by using microtremor H/V spectrum, and conducted a high dense microtremor H/V and gravity survey in the north and south line along the points where the array observation had been done. Through this the underground soil structure of the section of Fukui Plain was deduced. In the present study, the underground soil structure in the east and west section was tested by using the same technique. Through the examination, it was deduced that the east and west section is similar to the north and south section in that the depth of the surface of the neogene period strata is about 300m and the depth of the seismic bedrock is about 1500m.
2010-06-30