EXTRACTING BOREHOLE STRAIN PRECURSORS ASSOCIATED WITH THE LUSHAN EARTHQUAKE THROUGH PRINCIPAL COMPONENT ANALYSIS

Zhu, KG; Chi, CQ; Yu, ZN; Zhang, WC; Fan, MX; Li, KY; Zhang, Q

Zhu, KG (reprint author), Jilin Univ, Key Lab Geoexplorat Instrumentat, Minist Educ, Changchun, Jilin, Peoples R China.

ANNALS OF GEOPHYSICS, 2018; 61 (4):

Abstract

A YRY-4 borehole strainineter installed at the Guza Station recorded anomalous changes in borehole strain data preceding the Lushan earthquake on Apri......

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