Articles | Volume 8, issue 5
https://doi.org/10.5194/nhess-8-985-2008
https://doi.org/10.5194/nhess-8-985-2008
05 Sep 2008
 | 05 Sep 2008

Temperature changing process of the Hokkaido (Japan) earthquake on 25 September 2003

W. Ma, W. Ma, H. Zhao, and H. Li

Abstract. The paper introduced the model of the additive tectonics stress from celestial tide-generating force. The model can be used to explain the relationship between additive tectonics stress and seismic fault sliding. According to the periodic changes of the additive tectonics stress, the temperature is analyzes based on the temperature data of NCEP (National Centers for Environmental Prediction) which are gathered for a period of time before and after the Hokkaido, Japan earthquake (25 September 2003). It is found that the abnormal increasing of the temperature is significantly associated with the seismic deformation, even if the epicenter was covered by the clouds. The effect of the additive tectonics stress on activities of the fault is to trigger it at a time when the stress level has already reached an advanced stage as indicated by the temperature increase. Based on this model, it is possible to forewarn short-impending earthquakes.

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