ACCURACY EVALUTION OF TSUNAMI SOURCE INVERSION USING CRUSTAL DISPLACEMENT DATA

• IMANARI Junichi

  東京都中央区役所 環境土木部

• IZUMIYA Takashi

  新潟大学 工学部建設学科

Bibliographic Information

Other Title

• 地殻変位データを用いた津波波源インバージョンの精度評価に関する研究

Abstract

 The inversion of geodetic datasets for the Niigata earthquake of 1964 was carried out to estimate the subfault displacements. The fault models by Abe and Matsuhashi were adopted for the Niigata earthquake and were devided into 10km×10km subfaults of which slip distributions were estimated so as to coincident with the crustal displacements. The maximum slip estimated is about 8m near the epicenter. The numerical simurations were carried out to evaluate the accuracy of a source inversion with crustal displacement data, and reveal that the accuracy depends on the distances between the locations of the fault and the observation point.

Journal

• Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)

  Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 71 (2), I_539-I_544, 2015

  Japan Society of Civil Engineers

Keywords

• tsunami source inversion
• crustal displacement
• accuracy evaluation
• fault model

Details

• CRID: 1390282680329274752
• NII Article ID: 130005097533
• DOI: 10.2208/jscejoe.71.i_539
• ISSN: 21854688
• Web Site: https://www.jstage.jst.go.jp/article/jscejoe/71/2/71_I_539/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed