Global postseismic stress diffusion and fault interaction at long distances

被引：20

作者：

Casarotti, E ^{[1
]}

Piersanti, A ^{[1
]}

Lucente, FP ^{[1
]}

Boschi, E ^{[1
]}

机构：

[1] Ist Nazl Geofis, I-00161 Rome, Italy

来源：

EARTH AND PLANETARY SCIENCE LETTERS | 2001年 / 191卷 / 1-2期

关键词：

global; faults; stress; failures; shear modules; earthquakes;

D O I：

10.1016/S0012-821X(01)00404-6

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

By means of a new theoretical model of global postseismic deformation we compute the time-depending postseismic stress field associated with eight of the greatest events of the century on an area extending for almost half of the Earth's surface. We evaluate the stress transferred by these big earthquakes to all the seismogenic structures of the Pacific belt that have generated earthquakes with M greater than or equal to5 in the last years. We discuss the effect of this stress field on the state of the faults: the distribution of favoured and not favoured events is not uniform. The modeling suggests the existence of a physical connection among the patterns of release of seismic moment by the different plate margins of the Pacific area and the possibility of a self-organised geometrical configuration of the tectonic plates system. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：75 / 84

页数：10

共 20 条

[1] EARTHQUAKES AS A SELF-ORGANIZED CRITICAL PHENOMENON [J].