华北地区震群活动的阶段性特征*

Abstract

Abstract: In this paper, we studied the earthquakes warms from 1970 up to now in the No rth China region. It is shown that the migration and the stage-by-stage activ ity of earthquake swarms are obvio us befo re Tang shanea rthquake. The characteri sticsare preliminary lyanalyzed by using the theory of th ree-dimensional rheological inclusion earthquake generating model. Predicted test of Zhangbei ear thquake show that the migration and earthquake swarms should be applied to the medium-tem prediction of strong earthquakes.

Key words: Earthquake swarm, Stage-by-stage characteristics, Tangshan earthquake, Zhangbei earthquake

CLC Number:

P315.72
P315.75

SONG Zhi-ping, XU Ping, XUE Yan. Stage-by-stage Characteristics of earthquake swarm activity in the North China region[J]. EARTHQUAKE, 2001, 21(1): 47-52.

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Stage-by-stage Characteristics of earthquake swarm activity in the North China region

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