The characteristics of variation in inhomogeneity of temporal-spatial distribution of short to imminent precursors before strong earthquakes

C ^sub v^ is used in this paper to describe the variation in inhomogeneity of spatial and temporal distribution of precursors. The inhomogeneous variation in the spatial and temporal distribution of the anomalies in water radon and electromagnetic waves before M ^sub s^[asymptotically =]6 earthquake...

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Bibliographic Details
Published in:Acta seismologica sinica 2000-01, Vol.13 (1), p.29-37
Main Authors: Chen, Xue-Zhong, Wang, Xiao-Qing, Li, Zhi-Xiong, Song, Zhi-Ping, Jiao, Ming-Ruo, Hou, Jian-Sheng
Format: Article
Language:English
Subjects:
Earthquake prediction
Earthquakes
Electromagnetic radiation
Electromagnetic waves
Inhomogeneity
Plate tectonics
Precursors
Radon
Seismic activity
Seismic engineering
Seismic phenomena
Seismology
Spatial distribution
Temporal distribution
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Summary:C ^sub v^ is used in this paper to describe the variation in inhomogeneity of spatial and temporal distribution of precursors. The inhomogeneous variation in the spatial and temporal distribution of the anomalies in water radon and electromagnetic waves before M ^sub s^[asymptotically =]6 earthquakes in northern North China is analyzed in detail. Results show that before a moderate to strong earthquake, the distribution of anomalies in water radon and electromagnetic waves changes inhomogeneously, i.e., C ^sub v^ increases significantly. The inhomogeneity in spatial distribution of short-to-imminent precursors increases before a strong earthquake, which may relates to the enhancement of crustal strain field. The research will not only help us to know more about the process of seismogeny and to improve practical earthquake prediction, but also blaze a new way to do earthquake prediction with present precursor data.[PUBLICATION ABSTRACT]
ISSN:1000-9116
1674-4519
1993-1344
1867-8777
DOI:10.1007/s11589-000-0079-7