SPATIAL CORRELATION OF EARTHQUAKE GROUND MOTION BASED ON DENSE ARRAY RECORDS

DOI Web Site Web Site 4 Citations 40 References

Bibliographic Information

Other Title
  • 高密度アレー観測記録に基づく地震動の空間相関モデル
  • コウ ミツド アレー カンソク キロク ニ モトズク ジシンドウ ノ クウカン

Search this article

Description

The spatial correlation of earthquake ground motion is examined in terms of the coherence function based on twelve earthquake events observed at the Chiba array. Considering a preliminary analysis and previous works about the coherence function, a Gaussian coherence function model is suggested for space-time earthquake ground motion assuming its limited portion to be homogeneous and stationary. A nonlinear regression analysis is conducted for estimating parameters of the coherence function model, and the average and variance are evaluated for the regression coefficients obtained from each event. The frequency-dependent correlation scale derived from the model is discussed. Finally, application of the coherence function model to the records observed at the site in Lotung, Taiwan, is also carried out.

Journal

Citations (4)*help

See more

References(40)*help

See more

Keywords

Details 詳細情報について

Report a problem

Back to top