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JDR Vol.4 No.2 pp. 94-98
(2009)
doi: 10.20965/jdr.2009.p0094

Paper:

Principal Component Analysis as a Tool for Materials Characterization of the Plate Boundary — Seismic Activity Application in the Plate Boundary Zone of the Northeastern Japan Arc.

Mitsuhiro Toriumi

Department of Complexity Science and Engineering, Graduate School of Frontier Science, University of Tokyo, 5-1-5 Kashiwa-no-ha, Kashiwa, Chiba 277-8561, Japan

Received:
December 16, 2008
Accepted:
April 9, 2009
Published:
April 1, 2009
Keywords:
microseismicity, principal component analysis, material characterization, plate boundary, northeast Japan
Abstract

We have analyzed microseismic activity in the boundary zone of the Northeastern Japan Arc by using principal component analysis for discrete units by 25 × 20 of the boundary zone with 10 km thick over the plate boundary. We found two types of reduced parameter trends in the region, concluding that the area has two types of evolutionary tracks; one of isolated activity and the other of strong correlated north-southactivity.

Cite this article as:
Mitsuhiro Toriumi, “Principal Component Analysis as a Tool for Materials Characterization of the Plate Boundary — Seismic Activity Application in the Plate Boundary Zone of the Northeastern Japan Arc.,” J. Disaster Res., Vol.4, No.2, pp. 94-98, 2009.
Data files:
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