Test of the Tidal Effect on Great Earthquakes All Over the World

HU Hui; HAN Yan-ben; YIN Zhi-qiang

Astronomical Research and Technology > 2008 > 5(4): 420-423.

HU Hui, HAN Yan-ben, YIN Zhi-qiang. Test of the Tidal Effect on Great Earthquakes All Over the World[J]. Astronomical Research and Technology, 2008, 5(4): 420-423.

Citation:

HU Hui, HAN Yan-ben, YIN Zhi-qiang. Test of the Tidal Effect on Great Earthquakes All Over the World[J]. Astronomical Research and Technology, 2008, 5(4): 420-423.

Citation:

HU Hui, HAN Yan-ben, YIN Zhi-qiang. Test of the Tidal Effect on Great Earthquakes All Over the World[J]. Astronomical Research and Technology, 2008, 5(4): 420-423.

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Test of the Tidal Effect on Great Earthquakes All Over the World

1.
National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China

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Received Date: December 09, 2007
Revised Date: April 20, 2008
Published Date: October 14, 2008

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Abstract

Abstract

In order to determine whether there is a relation between the occurrence of an earthquake and the tidal force, we have selected all the earthquakes of magnitudes larger than or equal to 7.0 as occurred all over the entire world in the 20th century, and carried out the run test of the occurrences of earthquakes near the extreme and non-extreme values of the tidal forces. The results show that the occurrence of an earthquake has a close relation with the combined tidal force, the vertical tidal that component or the horizontal tidal component. Moreover, in the 1940s there are 1483 earthquakes that occurred near the extreme values of the horizontal tidal components, accounting for 76% of the total number. The triggering effects of celestial objects on an earthquake probably come mainly from the horizontal components of their tidal forces.
- tide generating force,
- earthquake,
- run test

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