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On the generation of deep focus earthquakes in subduction zones

地震学报(英文版)1999,Vol.12Issue(5):573-583,11.
地震学报(英文版)1999,Vol.12Issue(5):573-583,11.

On the generation of deep focus earthquakes in subduction zones

On the generation of deep focus earthquakes in subduction zones

1

作者信息

  • 1. Department of Geophysics, Peking University, Beijing 100871, China;Department of Geophysics, Peking University, Beijing 100871, China
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摘要

Abstract

Following a quasi-dynamic scheme proposed by Minear and Toksoz (1970), thermal structures of subduction zones for different models by finite element method (FEM) were calculated. Density distribution and P-wave anomaly of subduction zones were calculated at the same time. Comparing with seismological evidences and results of laboratories, it is proposed that earthquakes occurred below 400 km depth are probably controlled by anti-crack mechanism.

关键词

subduction zonenumerical simulationphase transformationgeneration of earthquakes anticrack theory

Key words

subduction zonenumerical simulationphase transformationgeneration of earthquakes anticrack theory

分类

天文与地球科学

引用本文复制引用

..On the generation of deep focus earthquakes in subduction zones[J].地震学报(英文版),1999,12(5):573-583,11.

基金项目

This study is supported by SSTCC Climb Project 95-S-05 and Chinese Natural Science Foundation. ()

地震学报(英文版)

1000-9116

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