地震地电阻率前兆异常特征及其机理研究
A STUDY OF THE PRECURSORY ANOMALOUS CHARACTERISTIC OF SEISMIC EARTH RESISTIVITY AND ITS MECHANISM
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摘要: 本文在全面整理我国大陆二十余年来的地电阻率观测资料的基础上,分析了地电阻率前兆异常特征及其与地震三要素之间的关系,给出地震强度(震级)与异常时间和震中距乘积的对数呈线性关系的实用结果,研究了不同类型地震地电阻率短临前兆特征及其在地震预报中的应用,探讨了地电阻率前兆变化的机理。Abstract: This paper,basing on the observational data of earth resistivity in more than 20 years on the Chinese continent, analyzes the relation between the precursory anomalous characteristic of earth resistivity and the earthquake's three elements; presents a practical result in which the earthquake strength shpws a linear relation with the logarithm of product of anomaly duration and epicentral distance; studies different kinds of short term and imminent precursory characteristics of seismic earth resistivity and their appli-castion in earthquake prediction, discusses the precursory variation mechanism of earth resistivity.
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Key words:
- earth resistivity /
- anomalous characteristic /
- mechanism study
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